Cravath, Swaine & Moore LLP has a full service global antitrust offering, with extensive experience acting as defense counsel in bet-the-company and multijurisdictional litigation concerning consumer class action and single plaintiff suits, as well as government enforcement actions. ‘World-class strategist’ Christine Varney chairs the antitrust practice. Gary Bornstein focuses on commercial disputes primarily antitrust, M&A and securities litigation with recent work involving allegations of anticompetitive behavior in the distribution of mobile apps and the modem chipsets business. Kevin Orsini has significant trial and lead counsel experience in class actions. Evan Chesler is recognized for his appearance in numerous cases in the federal and state courts across the country, representing clients in government and internal investigations related to the technology, pharmaceuticals, manufacturing and financial services sectors. Peter Barbur handles large and significant cases, including the successful dismissal for American Express of a civil lawsuit alleging provisions in its merchant agreements violated antitrust laws. All the above-mentioned counsel are based in New York. Former FTC Commissioner, Noah Joshua Phillips, joined the firm’s Washington DC office in October 2022. Katherine Forrest departed from the firm in January 2023.

The team at Gibson, Dunn & Crutcher LLP offers a full-service antitrust practice and excels in bet-the-company defense civil litigation and class actions on behalf of market leading clients , particularly in the media, entertainment and high-tech sectors, such as McDonalds and Apple. The practice is jointly headed up by California based and highly respected Rachel Brass, who has extensive experience litigating in antitrust, labor and employment matters with recent work involving allegations of no poach agreements and monopolization; and Washington DC’s Stephen Weissman, former deputy director of the FTC’s bureau of competition, who counsels clients in antitrust investigations and acts as lead counsel in bench and jury trials concerning claims under the Sherman Act and Clayton Act. Also located in DC is the experienced trial and regulatory lawyer Rich Parker, who has a broad antitrust practice involving cartel matters, class actions and government investigations, Cynthia Richman who defends clients in cartel, tying and price-fixing litigation before state and federal courts, and Scott Hammond, an expert in price-fixing and cartel matters, as well as cross border investigations. In Los Angeles, Daniel Swanson handles antitrust and commercial litigation disputes while New York-based Eric Stock focuses on antitrust litigation and investigations particularly in the pharma, financial services, technology and healthcare space.

The antitrust powerhouse at Jones Day has a longstanding reputation for defending domestic and international clients in complex antitrust investigations, class actions and civil litigation. The team offers experience across key industries including healthcare and technology, as well as manufacturing. Craig Waldman in Washington DC co-chairs the firm’s global antitrust and competition law practice, representing clients in several industries in areas such as competitor agreements, vertical distribution issues and price discrimination. DC based John Majoras is considered a go-to litigator, frequently advising clients in the defense of multi-district class action litigation following international cartel investigations. Julie McEvoy, also in DC, has extensive experience in high-profile civil antitrust matters and has recently defended in multiple class actions concerning clients such as Cargill Meat Solutions and Sanofi-Aventis. San Francisco’s David Kiernan, is highly adept with econometrics, antitrust and class action litigation in industries including high-tech, healthcare and energy. Michelle Fischer, situated in Cleveland, has a diverse antitrust practice, litigating in class actions and individual claims covering conspiracies, sham petitioning, bundling, distribution and monopolization.

Kirkland & Ellis LLP regularly defends pharmaceutical companies in antitrust and competition disputes involving a full spectrum of antitrust claims including pay-for-delay actions, pricing disputes, monopolization, and intellectual property. The team has experience in government-initiated investigations and private antitrust matters against the DOJ, the FTC, state attorney generals, competitors as well as purchaser and consumer classes. Chicago-based Daniel Laytin handles commercial, antitrust and class action litigation with recent matters raising questions of wage fixing and monopolization. Also situated in Chicago, James Mutchnik focuses on disputes surrounding domestic and international cartels and price discrimination claims while Christa Cottrell is involved in complex commercial litigation involving large companies including Blue Cross Blue Shield Association and AbbVie. Olivia Adendorff in Washington DC and Dallas is well-versed in complex commercial class actions. The firm has expanded the team with several hires from the DOJ including Scott Scheele and Elyse Dorsey in Washington DC and Molly Kelley in the firm’s Chicago office. Katherine Rocco departed from the firm in April 2022 and Sean Royall left in February 2022.

The ‘incredibly creative and hard-working’ team at Latham & Watkins LLP excels in securing early dismissals, settlement and wins at trial concerning claims alleging anticompetitive collusion, monopolization, distribution, and pricing policies in the US and globally. In Washington DC, global chair of the practice Amanda Reeves’ work spans litigation and merger control in a range of industries including high technology, life sciences and consumer products among others. San Francisco-based Belinda Lee, global vice-chair of the practice, has extensive experience in defending global companies across the technology, manufacturing and transportation sectors in consumer class actions, unfair competition, and licensing disputes. The ‘well-prepared, consistent, detailed, and energetic’ Christopher Yates offers significant trial experience involving high profile clients, evidenced in the significant trial victory for Oracle against Hewlett Packard Enterprises in a dispute alleging unfair competition. In DC, Jennifer Giordano has expertise in defending clients in cases at both the trial and appellate level including multidistrict litigation, class actions and business-to-business litigation. Trial lawyer Al Pfeiffer leads on many matters and is noted for his experience in representing Fortune 500 companies and handling antitrust claims concerning dominant firm conduct. Aaron Chiu, who is based in the firm’s San Francisco hub, was promoted to partner in January 2022. The team has grown its capacity with the recent hires in April 2022 of former assistant Attorney General Makan Delrahim in DC and Katherine Rocco, formerly at Kirkland & Ellis LLP, who joined the firm’s New York office. Daniel Wall is no longer at the firm.

Morgan, Lewis & Bockius LLP has strong expertise in handling antitrust matters particularly across the tech, financial services, and healthcare sectors, defending key clients such as Fanatics and Google LLC. Recent work has involved class actions resulting from monopolization claims and no-poach agreements. Philadelphia-based global practice leader Steven Reed acts in high-stake matters across trial and appellate levels, offering previous experience as in-house lawyer at a large pharmaceutical company. Co-deputy practice leader Ryan Kantor is based in Washington DC. ‘National leader in the antitrust and competition arena’ and co-deputy practice leader Brendan Fee in Philadelphia, specializes in high-stakes antitrust class litigation for clients in a variety of industries including life sciences and energy. Brian Rocca leads the firm’s California antitrust practice with expertise in defending against monopolization claims in the technology sector. DC based Jon Roellke leads in many matters, focusing particularly on antitrust and trade regulation matters including class action and enforcement matters concerning financial services and technology clients. Noah Kaufman, promoted to partner in Boston in October 2022, represents clients across the higher education, automotive and retail sectors. Clayton Everett Jr and Stacey Anne Mahoney in DC and New York respectively, are also noted by peers and offer extensive counseling and litigation experience. Willard Tom retired in October 2022.

Paul, Weiss, Rifkind, Wharton & Garrison LLP has a comprehensive defense offering, allowing the team to advise in high-stakes and multi-district litigation concerning allegations of monopolization, price fixing and exclusive dealing, among other matters. The practice particularly excels in litigation concerning financial institutions, with its client roster also featuring industry leaders across a variety of industries including Amazon and Apple. Based in Washington DC, the highly skilled litigator, Karen Dunn has led in major disputes including competitor litigation and class actions concerning leading corporations. Co-chair of the antitrust practice group, Andrew Finch, is based in New York, has previous experience in the DOJ’s antitrust division and is particularly known for his role in private civil litigation, regulatory advocacy, and enforcement matters. DC-based Ken Gallo co-chairs the litigation department and acts as lead counsel in matters concerning technology companies and banks. Bill Isaacson is a highly renowned litigator in DC and commended for his representation of plaintiffs and defendants in antitrust litigation across a variety of industries. William Michael operates from the New York office and acts in investigations and litigation with particular expertise in the telecommunications and media sectors. The team has grown with the arrivals of former senior government enforcement lawyer Joshua Soven from Wilson Sonsini Goodrich & Rosati in the DC office in February 2022, Robert Sperling and Staci Yablon in the New York hub from Winston & Strawn LLP in August 2022, and Eyitayo St. Matthew-Daniel in October 2022, who also joined the New York office and was the former assistant chief of the DOJ’s antitrust division. Another arrival to note is that of Katherine Forrest in New York in January 2023, who was previously at Cravath, Swaine & Moore LLP.

White & Case LLP regularly represents clients in high-stakes litigation, particularly class actions concerning consumer protection claims and antitrust conspiracy allegations. The team is well versed in pharmaceutical antitrust matters with a client roster including Pfizer and Samsung Bioepis, whilst continuing to grow its fintech and technology antitrust capabilities. Mark Gidley chairs the practice from Washington DC, offering significant experience in trying criminal and civil antitrust cases, while Christopher Curran often handles precedent setting matters. New York-based Jack Pace often acts as lead counsel for pharmaceutical companies and manufacturers as well as leading fintech companies, recently acting as lead drafter in the briefing behind victories for Apex Clearing Corporation, obtaining the dismissal of class action antitrust complaints. Kathryn Jordan Mims’ practice in DC focuses on class actions, merger enforcement actions and government enforcement actions. Head of the global pharmaceuticals and healthcare group, Peter Carney regularly represents pharmaceutical clients in litigation involving patent settlement agreements, product hopping and switching strategies in federal court and before the FTC. Situated in New York, Martin Toto is recognized as a leading attorney with experience in defending clients in price fixing jury trials while Kristen O’Shaughnessy defends global companies in class action and commercial litigation, with a particular expertise in the pharmaceutical industry.

The ‘outstanding lawyers’ at WilmerHale have recently advised in wage fixing and monopolization litigation for clients such as Meta, Santander Bank and the University of Pennsylvania. Senior partner in Washington DC and head of team Thomas Mueller focuses on global cartel enforcement matters as well as investigation and litigation matters concerning price fixing allegations. Mark Ford is situated in Boston and is well-versed in matters concerning alleged monopolization, price fixing, bid rigging and antitrust IP matters across the pharmaceutical, technology and manufacturing sectors. The highly regarded Steven Cherry in the DC office specializes in investigations and litigation, defending companies and individuals in the US and around the world. Perry Lange has acted for clients in the telecommunications, automotive and energy industries in a diverse range of antitrust matters while Leon Greenfield stands out for his experience in monopolization matters. Trial lawyer David Gringer is based in New York and offers significant experience in defending large corporations including but not limited to technology companies, in litigation against the government and class plaintiffs. Jennifer Milici and Dominic Vote joined the DC office from the FTC in March 2022.

Arnold & Porter is known for its representation in a comprehensive range of individual and class action litigation concerning claims of price fixing, monopolization, no-poach agreements, and group boycotts. It particularly excels in the representation of life sciences companies such as Astra Zeneca and also has experience in advising prominent names across a range of other sectors such as Visa and Bloomberg. Debbie Feinstein heads the firm’s global antitrust practice, and offers experience in merger enforcement and investigations, and civil litigation across the retail, food, and automotive parts industry as well as experience from her previous role as director of the Bureau of Competition at the FTC. Feinstein jointly heads the team alongside Jonathan Gleklen, who focuses on assisting clients in the high technology and network industry and experienced litigator James Cooper. Laura Shores has significant expertise in the life sciences industry, having assisted clients such as Novartis. Anne Davis specializes in representing clients in class actions and opt-out litigation. Scott Lent in New York has experience in high-profile litigation with recent work involving price-fixing and anticompetitive distribution allegations. Sonia Kuester Pfaffenroth, who has previously held several senior positions at the DOJ, is also noted. All attorneys are based in Washington DC unless otherwise noted.

The team at Axinn Veltrop & Harkrider has extensive experience as lead counsel in private treble damage actions and in representing companies and individuals in follow on litigation arising from cartel investigations across the manufacturing and pharmaceuticals industries. Recent work includes defending Fortune 500 companies like Tyson Foods in strategically important disputes including multiple class action suits and private arbitrations. Heads of team include John Harkrider in New York, who acts as lead counsel in cross-border litigation involving claims under section 1 and 2 of the Sherman Act and Michael Keeley in Washington DC, who has experience in trying monopolization and patent jury cases with recent involvement in the Avogen generics price-fixing litigation. Also in DC is Rachel Adcox, who defends major corporations in multidistrict litigation especially in cartel disputes, John Briggs, who offers extensive experience in large antitrust class actions work and Tiffany Rider who is known for her work in international cartel cases and civil follow-on multi district and class action litigation. In New York, Craig Reiser’s litigation spans federal and state courts at both trial and appellate level while Denise Plunkett often defends clients in the payments, financial services and pharmaceutical sectors. New arrival James Attridge, who offers experience as previous deputy chief of staff of the antitrust division in the DOJ, joined the DC office in September 2022.

Mayer Brown regularly represents in antitrust class actions in the agricultural and food industry with recent representations involving Cargill and Foster Poultry Farms. The firm also excels in multidistrict litigation alleging anti-competitive behavior such as price fixing cartels across other industries including the automotive and education industry. Co-head of the global antitrust and competition practice, Britt Miller in Chicago, represents domestic and international corporations in price-fixing, market allocation, monopolization and conspiracy matters. Based in Washington DC, other heads of team include William Stallings who litigates in the aviation, chemicals and manufacturing sectors and Gail Levine. Also in DC is Carmine Zarlenga , who offers significant disputes experience in high profile antitrust cases, commercial litigation, and intellectual property matters and Adam Hudes, who handles complex private antitrust and commercial disputes and government antitrust enforcements and investigations. Chicago based Daniel Storino is ‘excellent’ and has experience representing multinational corporations and health insurers in cases alleging monopolization, price-fixing, tying, resale price maintenance and exclusive dealing. Stephen Medlock left the firm in October 2022.

Shearman & Sterling LLP is particularly known for its strength in handling antitrust litigation in the financial services sector, also regularly advising in civil matters relating to price-fixing, group boycott and monopolization claims in the aviation and technology sectors. Situated in Washington DC, global antitrust practice leader, David Higbee, has recently represented clients in civil lawsuits including class actions and government investigations. Also heading up the team is Adam Hakki in New York, who has had significant involvement in representing clients such as BNP Paribas in trading market class actions and Patrick Robbins who is located in San Francisco. Richard Schwed represents financial institutions in class actions and private litigation including jury trials and operates in NY.  Other attorneys to note include Stephen Fishbein in New York for his experience in civil litigation concerning monopolisation claims and DC-based litigator Todd Stenerson. Ryan Shores has left the firm.

The team of ‘fantastic litigators’ at Williams & Connolly LLP regularly represents major corporations and individuals particularly in the life sciences and tech sectors. The team is headed up by the ‘excellent antitrust litigator’ John Schmidtlein, who has significant experience in civil antitrust suits, defending clients such as Google and AstraZeneca in cases alleging monopolization, price-fixing and coordinated bidding, and ‘excellent trial lawyer’ Jonathan Pitt, who has recently acted in highly publicized matters concerning no poach agreements, price fixing and class actions involving ‘pay for delay’ claims. Also noted by clients is Benjamin Greenblum, defense counsel for high-tech, pharmaceutical and food manufacturing clients. Carol Pruski is an expert in all aspects and stages of litigation from early stage litigation strategies, to discovery and trial. All lawyers mentioned are based in Washington DC.

The team at Baker Botts L.L.P. ‘provides outstanding tactical advice and defends in significant and material litigation’ such as class action lawsuits and competitor litigation in federal and state courts nationwide. Recently defending against price fixing claims and group boycotts in the life sciences and manufacturing sectors, the firm’s client portfolio features the likes of FedEx, Ericsson and Sun Pharmaceuticals. The highly regarded John Taladay co-chairs the practice offering his extensive experience in merger clearance work as well as defending national and international corporations in cartel matters and class actions. Maureen Ohlhausen also heads the team, advises across the retail, telecoms and tech space and is well known for her significant experience nationally and globally on antitrust and FTC-related matters. Senior associate Chris Wilson represents litigants from complaint filing to trial in industries such as industrial manufacturing, telecommunications and pharmaceuticals. All the mentioned attorneys are based in the Washington DC office. Joseph Ostoyich and William Lavery left the practice in April 2023.

Boies Schiller Flexner LLP has experience in defending high-profile and market leading corporations such as Delta Airlines and General Electric in litigation concerning Sherman Act claims and other market conspiracies. Heads of team include complex litigation specialist Philip Korologos in New York and experienced trial lawyer James Denvir in Washington DC, who has acted in several bet-the-company lawsuits. Also in DC is Michael Mitchell, who represents both plaintiffs and defendants in class actions. Stuart Singer, based in Florida, is also noted.

Dechert LLP offers global and nationwide antitrust capabilities to its growing client base which features names such as Endo Pharmaceuticals and Marriott International. The firm is well-versed with a range of litigation including conspiracies related to advertising, bid rigging and price fixing as well as antitrust patent litigation and rule of reason standards. Based in Philadelphia is co-head Steven Bizar, who focuses his practice on trial work, particularly antitrust and trade regulation and is well-regarded for his success in defending against section 1 and 2 Sherman Act cases and class action lawsuits. Also co-heading the team from Washington DC is Mike Cowie, a healthcare and life sciences law expert who focuses on government merger investigations and litigation. Also in Philadelphia are George G Gordon who has significant experience in representing companies in class actions and investigations concerning patent enforcement, pricing concerns and marketing, and Julia Chapman, who is well-versed in all stages of litigation particularly in the life sciences, specialty chemicals and tech fields. Experienced trial lawyer Shari Ross Lahlou, based in DC, acts for Fortune 500 clients including Johnson & Johnson. The group has expanded its team and strengthened its high-tech antitrust expertise with the hires from Orrick, Herrington & Sutcliffe LLP in January 2023 including Jay Jurata in DC, former head of Orrick’s antitrust and competition group, Russell Cohen and Howard Ullman in the San Francisco office.

Orrick, Herrington & Sutcliffe LLP excels in representing clients including Microsoft and LinkedIn on issues at the intersection of antitrust and tech. The team is headed up by Amy Ray in Washington DC, who has recently defended litigation clients in the technology and financial services industries. Also in DC is Eileen Cole, who is a specialist in global cartel investigations and pharmaceutical antitrust cases. Anna Aryankalayil, formerly at the FTC, joined the firm in DC in November 2022. Jay Jurata, Russell Cohen and Howard Ullman departed from the firm in February 2023.

Simpson Thacher & Bartlett LLP is known for advising and representing both plaintiffs and defendants in antitrust litigation concerning monopolization, price fixing and tying claims across major industries such as chemicals, insurance, pharma, agricultural products, finance, and telecoms. The team is led by antitrust co-chair Sara Razi who has extensive private-sector and government antitrust experience, fellow co-chair John Terzaken, a leading antitrust litigator with a broad antitrust practice including investigations and follow-on litigation and litigation co-chair Jonathan Youngwood in New York, who co-chairs the litigation department. Other heads of team include New York-based antitrust co-chair Peter Guryan and litigation co-chair Lynn Neuner. Abram Ellis is highly regarded in the market and is especially experienced in antitrust litigation involving financial instruments, the healthcare industry and employment matters. All attorneys are based in Washington DC unless otherwise specified.

The ‘diverse team of experts’ at Weil, Gotshal & Manges LLP produces ‘high quality work’. The firm represents multinational clients such as Visa and Hilton Hotels in several industry sectors including but not limited to pharma, food and agriculture. Recent work has included a variety of litigation including class actions, no poach labor matters, competitor cases and government enforcement actions. Based in Washington DC is practice head Steven Newborn. In New York is Eric Hochstadt, an expert in antitrust class action litigation and lawsuits between rivals and distributors, while Adam Hemlock often acts in cartel litigation and private antitrust litigation concerning bundling, group boycotts and exclusivity allegations. Brianne Kucerik in DC is noted, recently defending clients against allegations of monopolization and restraint of trade. Carrie Mahan at the DC office departed in June 2023.

The team at Winston & Strawn LLP is ‘incredibly effective in their litigation abilities’, providing ‘excellent legal advice and representation’ particularly across the sports and financial sectors. The firm is also well-versed in antitrust matters relating to the tech and food and beverage industries. The team is headed up by New York based attorneys Jeffrey Kessler, who frequently acts as lead counsel in high profile sports and intellectual property antitrust litigation and Eva Cole, whose practice focuses on international cartel investigations and class actions, representing clients in the electronics, sports, retail, and private equity industries. In the firm’s Chicago office is ‘skilled lawyer’ James Herbison who offers significant experience in antitrust litigation involving price fixing and monopolization claims. Heather Lamberg in Washington DC is noted by clients, representing both plaintiffs and defendants in matters concerning predatory pricing, bundling, tying, unfair competition, leveraging as well as monopolization and price fixing claims. New York-based David Greenspan is another name to note. Staci Yablon and Robert Sperling left the firm in August 2022.

The team at BakerHostetler specializes in litigation brought by competitors and concerning section 2 of the Sherman Act for an array of clients including multinational corporations and local businesses. In Philadelphia, head of the firm’s national antitrust and competition practice, Carl W. Hittinger advises on a full spectrum of antitrust matters concerning both defendants and plaintiffs. In Washington DC, Marc Schildkraut offers his previous experience at the FTC’s Bureau of Competition and focuses on multibillion dollar mergers, civil investigations and litigation while Jack Fornaciari is an international cartel investigations expert and often acts in follow-on defense class action antitrust litigation. DC-based Danyll W. Foix defends companies in individual and class actions and counsels on day-to-day antitrust questions and compliance. Ann O’Brien left the firm in February 2023.

DLA Piper LLP (US) stands out for its prominence in high profile and bet-the-company class action and civil litigation work spanning the pharmaceutical, insurance, and sports industries. Practice head Lisa Tenorio-Kutzkey is situated in San Francisco and routinely assists large corporations in price fixing and market allocation conspiracy matters. Washington DC-based David Bamberger’s practice consists of litigating complex antitrust and trade regulation matters across federal and state courts. First-chair trial lawyers include John Gibson in Los Angeles, who specializes in healthcare and high-tech class action and multi-district litigation, and John Hamill in Chicago, who defends clients in a full spectrum of commercial litigation including antitrust and commercial litigation particularly in the telecoms, sports and healthcare areas.

Freshfields Bruckhaus Deringer LLP offers clients ‘significant geographic reach and a diverse team of highly competent attorneys’ with recent work involving claims in the tech and consumers products sectors, for a growing client base consisting of global industry leaders such as Google and MIT. Practice head Eric Mahr has considerable experience in defending clients in civil and criminal investigations, enforcement actions and regulatory proceedings in the US and in Europe, and is currently acting as lead counsel defending Google in a multidistrict litigation. Julie Elmer is an active trial lawyer, representing the likes of United Airlines while Andy Ewalt has previously litigated as counsel to the Director of Litigation at the antitrust division of the DOJ and recently led the team which won the dismissal of antitrust claims concerning an open bidding agreement between Google and Apple. All the attorneys listed are based in Washington DC. Jamillia Ferris joined the firm in September 2022 from Wilson Sonsini Goodrich & Rosati. Richard Snyder  left the firm in January 2023.

The antitrust practice at Hogan Lovells US LLP routinely represents clients in the life sciences, agricultural products, financial services and engineering sectors in class actions, treble-damages actions and investigations. The practice is headed up by Justin Bernick, who litigates a range of antitrust issues including price fixing, market allocation and vertical and horizontal agreements, Charles Loughlin, former FTC chief trial counsel with significant experience in the financial, pharmaceutical and technology industries, Katie Hellings, and Benjamin Holt who has litigated antitrust cases and competition law matters. William Monts is another name to note for his extensive experience in a range of antitrust disputes for major international companies and domestic clients. The lawyers mentioned above are located in the firm’s Washington DC office.

King & Spalding LLP handles antitrust litigation for major clients in several industries including education, financial services and healthcare. Its client roster features names such as Deutsche Bank, which it represented against allegations of manipulation of the foreign exchange benchmark prices. The team is led from Washington DC by Jeff Spigel who counsels clients undergoing investigation and advises on strategies, and Norm Armstrong, who offers public and private sector experience and has a broad antitrust practice including civil and criminal investigations and litigation. In Atlanta, Jeff Cashdan focuses on criminal and civil cartel matters and other civil antitrust actions with a recent matters concerning price-fixing claims in the hospitality industry. Other key attorney’s include Atlanta-based partner Emily Newton and DC-based Chris Yook who advises clients on antitrust implications and represents clients in government enforcement and civil litigation.

McDermott Will & Emery LLP offers a full spectrum of antitrust services including work on major class actions, cartel defense and private antitrust litigation and particularly stands out for its representations in the healthcare industry as well as consumer goods and tech. Global head of the antitrust practice Raymond Jacobsen advises on mergers and acquisitions and antitrust litigation in Washington DC and has significant experience in matters in the defense, life sciences and energy space. Michelle Lowery in Los Angeles is well-versed in counseling and litigating high-profile cases in the healthcare, manufacturing, and technology area. Nicole Castle provides legal counsel in criminal and civil multidistrict class action litigation concerning Sherman Act violations in New York. In Chicago, Katharine O’Connor and Stephen Wu focus their practices on complex litigation and investigations brought by regulators in an array of sectors, from healthcare to consumer goods. Former federal regulator and plaintiff’s class action lawyer Lesli Esposito in DC is also a key team member.

McGuireWoods LLP regularly defends corporations, trade associations and individuals in follow-on treble damage civil litigation and multi-district class actions which concerns allegations of price fixing to exclusive dealing and no-poach agreements. Mark Kinghorn chairs the firm’s practice and is based in North Carolina. Chicago-based Amy Manning is a key attorney who handles criminal and civil antitrust matters particularly in the life sciences, healthcare, and transportation sectors. In Richmond, Howard Feller focuses on antitrust litigation and investigations and Brent Justus has a broad antitrust practice, focusing particularly on cartel defense and litigation covering vertical conspiracies and boycotts among other claims. In Chicago, Angelo Russo handles both criminal and civil litigation across federal and state courts especially for healthcare and life sciences clients, while Sarah Zielinski assists clients with antitrust compliance and representation in complex litigation, investigations, and competitor lawsuits.

The team at Morrison Foerster is principally known for its experience in defending clients in litigation concerning Sherman Act price-fixing and monopolisation claims particularly in the tech and life sciences space, and is increasingly advising digital platforms on antitrust matters such as algorithmic pricing systems. The team is jointly headed up by Washington DC-based Alexander Okuliar who represents clients in competition advocacy and litigation and Lisa Phelan, a criminal investigations, litigation and enforcement specialist. Also in DC is trial lawyer David Cross and Mary Kaiser, who represents domestic and multinational companies in a range of antitrust and competition matters including IP-related claims, class actions and other complex litigation. Situated in the firm’s San Francisco hub are Eliot Adelson and expert in antitrust litigation Bonnie Lau, who has extensive experience defending class actions, multidistrict litigation in a range of industries including tech, financial services and manufacturing.

Norton Rose Fulbright US LLP regularly acts as trial counsel in no poach and class action litigation particularly in the technology, pharmaceutical and entertainment industries, with recent work including representing Bausch Health and Phillips 66 in class actions pertaining to price fixing claims. Global head of antitrust and competition, Robin Adelstein splits her time between New York and Washington DC and litigates complex and multi-jurisdictional cases in the pharmaceutical, consumer products and other industries. In DC Amanda Wait, a former FTC lawyer, co-heads the antitrust team with Adelstein and advises deal makers and litigants. Operating from both the firm’s Houston and DC offices are litigators Layne Kruse, who has represented clients in the petroleum production, transportation and healthcare sectors, and Eliot Turner who defends and prosecutes claims under sections 1 and 2 of the Sherman Act. Michael Swartzendruber is another key lawyer. New arrival Carsten Reichel joined from the criminal division of the DOJ in July 2022.

Proskauer Rose LLP has a strong record in defending companies in litigation across major industries including agriculture, consumer products, pharma, and sports. The team has also grown its offering and expertise in matters at the intersection of antitrust and technology law with the Antitrust Tech Task Force. Advising in cases involving allegations of price-fixing, bid rigging and monopolization, its client roster features names such as the National Football League. In Washington DC, the practice is jointly headed by Colin Kass, an antitrust and commercial litigation expert who handles the full range of antitrust and unfair competition litigation, and Christopher Ondeck, founder of the firm’s price gouging team and first-chair antitrust trial lawyer and litigator, who leads on numerous high-profile matters. Recently promoted partner John Ingrassia, based in DC, is also a key attorney and offers extensive experience in counselling businesses on antitrust issues.

The antitrust practice at Sheppard, Mullin, Richter & Hampton LLP has an expertise in the multifamily, technology and food and beverages sectors, and offers experience acting for key clients such as Samsung Electronics in multidistrict litigation alleging monopolization and exclusionary conduct, and Cyient in an antitrust class action concerning no poach agreements. In Washington DC, head of the antitrust team Leo Caseria has successfully litigated many cases involving allegations of antitrust violations under the Sherman and Clayton Acts and advises clients on many competition issues relating to compliance and intellectual property. Of counsel Michael Cohen has recently been involved in private civil antitrust lawsuits for the firm’s longstanding client The Reynolds and Reynolds Company. Ann O’Brien, formerly at BakerHostetler, joined the firm’s DC office in February 2023. Michael Scarborough and Dylan Ballard left the firm in January 2023.

Vinson & Elkins LLP regularly represents both plaintiffs and defendants in high-stake civil antitrust lawsuits, specializing in the airline, electronics and energy and chemicals sectors. The team is co-headed by antitrust investigations expert Darren Tucker and Hill Wellford, who counsels and assists clients in the energy, pharma, and tech industries. Trial lawyer Alden Atkins  focuses on antitrust class actions and arbitrations across a spectrum of industries, and Craig Seebald’s core practice consists of defending international and domestic clients in cartel and price-fixing investigations. In Houston, commercial and business litigator Jason Powers  also leads on many matters.  The practice has recently expanded its team with the hires of Stephen Medlock from Mayer Brown in October 2022 and the January 2023 arrival of Mike Scarborough and Dylan Ballard in San Francisco from Sheppard, Mullin, Richter & Hampton LLP. All attorneys are based in Washington DC unless specified otherwise.

Akin frequently advises clients in a variety of industries including food and beverages, financial services and chemical manufacturing in civil litigation and class actions pertaining to claims of anticompetitive behavior such as price-fixing and no poach agreements. Head of team Corey Roush has significant experience in antitrust class action litigation and often counsels clients in several industries to assist with regulatory compliance, while Gorav Jindal also leads on many matters offering his expertise in transactional antitrust matters as well as antitrust litigation. All mentioned attorneys are based in Washington DC.

Ballard Spahr LLP frequently acts in high-stake matters in the pharma, agricultural, retail and financial sectors. The firm is well versed in monopolization and conspiracy claims, and also has experience handling allegations of tying and no poach agreements. Practice head Leslie John specializes in pharmaceutical and healthcare antitrust litigation and counsels on antitrust compliance particularly in relation to mergers and acquisitions. Jason Leckerman chairs the firm’s litigation department and acts on both sides of antitrust and competition matters. Stephen Kastenberg has extensive experience in representing private and Fortune 100 multinational companies in litigation involving collusive dealing, price discrimination and more. Other key attorneys include monopolization and conspiracy case expert Edward Rogers and New York based James Mitchell, who focuses on both criminal and civil litigation. Jay Fastow is no longer at the firm. All lawyers are in Pennsylvania unless otherwise stated.

Cohen & Gresser LLP excels in representing clients in both single litigant and class action antitrust lawsuits. The firm is particularly known for its work in defending against allegations of cartel behavior, monopolization, exclusionary conduct and defending clients in civil enforcement actions. The team also operates in a niche market representing disruptors in the internet and high-tech industry. Head of team Melissa Maxman has litigation experience at both trial and appellate level, acting for domestic and foreign corporations on global antitrust matters. The practice was strengthened in March 2022 with the hire of John Roberti, a leading cartel class action lawyer with significant experience in high-profile litigation, from Allen & Overy LLP. Ronald Wick is a key player, and his practice involves advising clients on antitrust compliance and defending against unfair competition claims. All the above-mentioned attorneys are based in Washington DC.

Debevoise & Plimpton LLP works across several jurisdictions and industries on a wide range of antitrust matters, including notable recent involvements in cases where plaintiffs allege bid rigging and price-fixing conspiracies. The team is co-chaired by a quartet of attorneys including: Ted Hassi in Washington DC who focuses on antitrust litigation and obtaining merger clearances; intellectual property law expert Michael Schaper  in New York who also offers antitrust litigation and counseling; and litigation partner Erica Weisgerber, also in New York and a member of the special solutions team, who focuses on bankruptcy litigation and antitrust matters.

Kasowitz Benson Torres LLP are known for their involvement in large multidistrict and class action litigation, particularly in the pharmaceutical, food and beverage, and entertainment industries. Acting for defendants, as well as corporate plaintiffs, the firm’s client roster features names such as MLW Media and Teva Pharmaceuticals. The practice is jointly headed up by Hector Torres, who has significant experience in federal and state courts prosecuting antitrust and other commercial cases, and first-chair litigator and trial lawyer Sheron Korpus, who handles commercial, securities and antitrust disputes. All the mentioned attorneys are situated in New York.

The team at Ropes & Gray LLP offers multijurisdictional disputes experience and support on claims alleging monopolization, group boycotts and intellectual property antitrust, among other anticompetitive behaviour. In Washington DC is complex business litigation specialist Mark Popofsky  who co-heads the team, represents clients such as Google and whose practice includes jury trials, class actions, cartel litigation and arbitrations. Also co-heading the team and splitting her time between Boston and New York is healthcare law expert Jane Willis who handles antitrust matters for clients in a range of industries including consumer products, sports and transportation. Other noteworthy attorneys include DC-based Samer Musallam who represents clients in private litigation, price-fixing class actions and monopolization lawsuits and Chong Park who handles litigation and government enforcement investigations.

Troutman Pepper  has a strong record representing clients in monopolization claims, antitrust cartel class actions as well as reverse payment and other pharma industry competition litigation. Advising a variety of clients including Fortune 500 companies as well as new entrants to the market, the team is particularly strong in the life sciences and healthcare industries, as well as the agri-food space. Heads of team include Daniel Anziska in New York and Barbara Sicalides in Philadelphia, who routinely handles a broad spectrum of antitrust matters including class actions and litigation challenging agreements among competitors. Also based in Philadelphia is Robin Sumner, who offers significant experience in litigating matters concerning the biopharma and healthcare sectors. Jeremy Heep in Philadelphia is also noted and offers his previous experience as trial attorney with the DOJ. Melissa O’Donnell, who previously worked in an in-house position and has significant antitrust and health care law experience, returned to the firm’s Philadelphia office as a partner in January 2023. Jan Levine is no longer at the firm.