Patents: litigation (full coverage) in United States

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

IP boutique Finnegan, Henderson, Farabow, Garrett & Dunner LLP fields a particularly active practice in the pharmaceuticals sector. Examples include the long-standing representation of multinational Biogen in contentious matters, such as the recently filed series of infringement suits against 26 generics companies seeking to market generic versions of blockbuster multiple sclerosis drug Tecfidera®; this marks the largest-ever set of Abbreviated New Drug Application (ANDA) cases ever filed for a single drug. In addition to the pharmaceuticals sector, the group offers wide-ranging sector expertise. For PPC Broadband, the practice secured a Federal Circuit victory against Corning Optical Communications after a district court win affirming willful patent infringement of a patent covering coaxial cable connector technology, obtaining $61m in damages. The group also successfully appealed three inter partes review (IPR) decisions for Nestlé in Federal Circuit litigation against Steuben Foods regarding patents on food packaging. Managing partner Mark Sweet, chair James Monroe and the new head of the litigation practice Frank DeCosta, all based in Washington DC, and appellate head Erik Puknys in Palo Alto are key practitioners. Reston's Charles Lipsey is also noted. Aliza Carrano and Jason RomrellCecilia Sanabria and Yanbin Xu in Washington DC, Daniel Cooley and Shana Cyr in Reston, and Jacob Schroeder in Palo Alto joined the partnership. Christine Lehman joined Reichman Jorgensen LLP. Other clients include medical device manufacturer Zimmer Holdings, construction equipment giant Caterpillar and Otsuka Pharmaceuticals.

Fish & Richardson P.C.

Fish & Richardson P.C. combines one of the most active Patent Trial and Appeal Board (PTAB) practices nationwide with a strong presence in the district courts and the Federal Circuit. Its PTAB track record reveals the group's leading practice for petitioners, but the team also shoulders a strong caseload defending patent owners. In a recent highlight, the group obtained a denial of certiorari from the Supreme Court in favour of client Gilead, ending its six-year litigation with Merck over patents covering a Hepatitis C drug. For semiconductor manufacturer Power Integrations, the team secured two district court victories in Delaware against competitor Fairchild Semiconductor, obtaining a verdict affirming willful infringement of patents covering power supply controller chips and $24.2m in damages. Kurt Glitzenstein in Boston directs the litigation practice, which now includes a string of nine newly promoted partners: Bryan Basso and Katherine Prescott in Silicon Valley, Jackob Ben-Ezra in Houston, Christina Brown-Marshall in Atlanta, Megan Chacon and Alex Gelberg in San Diego, Phillip Goter in Minneapolis, Jeffrey Shneidman in Boston and Daniel Tishman in Washington DC. Esha Bandyopadhyay joined in Silicon Valley from Winston & Strawn LLP.

Jones Day

The 'very efficientJones Day 'assembles the strongest teams for each matter' and is 'able to draw on a deep bench of legal, business and technical experts across practices and geographies'. 'Litigation is seamlessly coordinated across several fronts, including district court litigation, proceedings before the PTAB, and non-US proceedings.' In addition to an extremely successful PTAB practice, the team has long-standing experience in the major district courts and the Federal Circuit. Washington DC's Gregory Castanias, the head of the Federal Circuit practice, Chicago's John Marlott and Cleveland's David Cochran represented SAS Institute in a headline-grabbing Supreme Court matter in which the Court ruled in line with SAS Institute's arguments, leading to a change in the PTAB's IPR proceedings. For household appliance manufacturer SharkNinja, the practice secured a victory over Dyson in design patent litigation brought forward over vacuum cleaners. David Witcoff in Chicago 'takes the time to get to know his clients and their businesses, and truly cares about providing the best experience possible.Marc Blackman, also in Chicago, is 'dedicated' and 'has strong technical skills', and Greg Lanier in Silicon Valley is 'a true leader with the ability to bring out the best in his teams'. San Diego's Anthony Insogna directs the practice, which includes Rita Yoon, who joined from McDermott Will & Emery LLP, and former Paul Hastings LLP litigator Michael Hendershot in Silicon Valley. PTAB expert Matthew Jones in Pittsburgh, Vishal Khatri in Washington DC and Houston-based Albert Liou all made partner. Jacqueline Lee left for Flynn Restaurant Group, Patrick Elsevier joined Celgene and Mark Finkelstein joined Umberg Zipser. Google, Johnson & Johnson and Qualcomm are also clients.

Kirkland & Ellis LLP

Kirkland & Ellis LLP is praised by clients for its 'exceptional combination of legal, business and technical understanding'. 'Indisputably one of the nation's largest and most qualified teams', the 'very well-coordinated' group 'tends to dig deeper than most firms'; it has a broad sectorial spread and proven expertise in all the major US patent litigation venues, including the PTAB. Marcus Sernel in Chicago and New-York based practice head Gregory Arovas successfully defended Apex Tool Group against a patent infringement suit brought by LoggerHead Tools regarding a patent covering a wrench. New York's Jeanne Heffernan defeated Sycamore IP Holdings in infringement litigation it had brought forward against AT&T Services over a coding scheme patent, sparing the client $200m in damages. In Chicago, Kenneth Adamo is 'one of the nation's top legal minds' and Russell Levine is 'an exceptional litigator'. San Francisco's Sarah Piepmeier is 'a great lead counsel'. Adam Alper, also in San Francisco, and Los Angeles colleague Michael De Vries 'are thorough and focused on ensuring decisions are made that support the long-term view of a case'. IP practice head Gregg LoCascio in Washington DC, Amanda Hollis in Chicago and Leora Ben-Ami in New York are also recommended. Abbott Laboratories, Cisco and Samsung Electronics also feature on the client roster.

Quinn Emanuel Urquhart & Sullivan, LLP

Quinn Emanuel Urquhart & Sullivan, LLP is regularly involved in matters that draw widespread attention in the media, primarily from the technology and pharmaceuticals sectors. An outstanding recent example is the representation of Samsung Electronics against Huawei in a cross-licensing dispute over patent portfolios relating to 3G and 4G mobile technology standards, a matter involving patent and antitrust issues, in which the practice group secured several victories. Additionally, the team obtained a Federal Circuit and Supreme Court victory for Samsung Electronics in litigation against Apple over trade dress and patent infringement issues, overturning nearly all of a $930m judgment. Charles Verhoeven and Sean Pak in San Francisco, Edward DeFranco in New York, David Nelson in Chicago, Claude Stern in Silicon Valley, and Fred Lorig and Tigran Guledjian in Los Angeles jointly chair the practice. Pharmaceutical expert Colleen Tracy James  joined the New York office from Mayer Brown, while Deepa Acharya in Washington DC, James Judah in San Francisco and Nathan Hamstra in Chicago were made partners. Other clients include Qualcomm, Allergan and The Broad Institute.


WilmerHale boasts a strong track record of PTAB work for petitioners and also has experience of district court litigation in all major venues. Recent highlights confirm the electronics and life sciences sectors as the main areas of strength. Washington DC's Amy Wigmore acted for AbbVie in pioneering Biologics Price Competition Innovation Act litigation regarding the sale of a Boehringer Ingelheim Humira® biosimilar; this involved allegations of patent infringement of eight patents. Mark Fleming successfully represented LogMeIn in Federal Circuit litigation concerning allegations of infringement of a remote access technology patent by 01 Communique, ending 12 years of litigation. Further, Vinita Ferrera secured a victory for paper manufacturer Crane Co over competitor Rolling Optics, with the district court confirming infringement of Crane Co's patents covering anti-counterfeiting technology used in the production of US currency. Akamai Technologies, Astellas and Ford are also clients. Lisa Pirozzolo and Palo Alto's Mark Selwyn co-chair the IP litigation practice. IP practice head Donald Steinberg, Washington DC-based post-grant practice chair David Cavanaugh, and William Lee are also recommended. Andrew Danford and Washington DC's Heather Petruzzi joined the partnership, while Tara Elliott and counsel Rachel Weiner Cohen left for Latham & Watkins LLP. Mary Rose Scozzafava and Wayne Stoner retired. All practitioners are based in Boston unless otherwise stated.

DLA Piper LLP (US)

DLA Piper LLP (US)'s patent litigation team is 'an amazing group of exceptionally talented and hardworking lawyers.' The 'great, dedicated and responsive' team has experience across the gamut of patent litigation, including matters in the district courts and the Federal Circuit, the PTAB and the ITC. Following the merger with Liner LLP on the West Coast in autumn 2017, the practice further bolstered its life sciences offering on the East Coast with the arrival of Michael Dougherty and Tony Pezzano in New York, both of whom joined from Hogan Lovells US LLP. Technology-related instructions remain a core focus for the group, with a major recent highlight including practice head Mark Fowler successfully defending Toshiba against Intellectual Ventures, averting infringement claims for ten patents covering semiconductor memory chips and consumer electronics. Clients also include Samsung Electronics, Nike and BASF. Other names to note are 'outstanding strategistJohn Guaragna in Austin, the 'awesomeSteven Park in Atlanta, San Diego quartet Sean CunninghamErin GibsonRichard Mulloy and Stan PanikowskiStuart Pollack in New York, Carrie Williamson in Silicon Valley, Boston's Larissa Bifano and Michael Strapp, and Paul Steadman and Matthew Satchwell in Chicago. Clayton Thompson and Jake Zolotorev joined in Silicon Valley from Feinberg Day LLP and Tamany Vinson Bentz joined the Los Angeles office from Venable LLP. Additionally, Eric Hagen arrived from McDermott Will & Emery LLPPatrick Park, also in Los Angeles, was promoted to of counsel, while former of counsel Vincent Crowley joined TiVo and John Garvey joined Noria Therapeutics. Lawrence McClure and Gerald Sekimura retired. Todd Paterson also left the firm.

Gibson, Dunn & Crutcher LLP

Gibson, Dunn & Crutcher LLP has a varied practice group, with particular strengths in the pharmaceuticals and technology sectors. Recent highlights include defending Merck against a claim brought forward by Mayne Pharmaceuticals regarding a patent covering an anti-fungal product, successfully filing a petition for institution of an IPR and ultimately invalidating the patent in question. The team also defended T-Mobile in a 12-patent district court case against Huawei, involving 4G LTE technology, which the team settled on favourable terms after securing dismissal of several patents and defeating multiple FRAND claims made by Huawei. Wayne Barsky in Century City, Josh Krevitt in New York and Palo Alto, and Mark Reiter in Dallas direct the practice. Also recommended are New York's Benjamin Hershkowitz and newly promoted partners Kate DominguezBrian Buroker in Washington DC and Neema Jalali in San Francisco. Other clients include Roche, SoundCloud and Fitbit.

Irell & Manella LLP

Irell & Manella LLP is among the most established players in the market. The West Coast practice combines wide-ranging sector expertise with proven PTAB prowess and a long string of successes in Federal courts nationwide despite being exclusively based in California. In addition to winning $400m for KAIST in litigation filed against Samsung, GlobalFoundries and Qualcomm for willful infringement of a semiconductor patent, the group also successfully represented Future Link in a case against Intel involving nine patents, before reaching a settlement with Intel. Also of note, practice head Morgan Chu and managing partner David Gindler significantly reduced the damages Zoll Medical had to pay to Philips for infringing defibrillator technology patents, lowering the verdict from $217m to $7.1m. Jason Sheasby, Richard Birnholz and Benjamin Hattenbach are other names to note. All named practitioners are based in Los Angeles, but the firm also has an office in Newport Beach. Other clients include Gilead Sciences, Tessera and Skechers.

McKool Smith

McKool Smith is especially active in the telecoms sector, where it recently represented Ericsson in a district court case against TCL Communications Technology Holdings, obtaining $75m in damages for patent infringement and an additional $35m for prejudgment interest and willfulness of infringement of a patent covering platform access technology for various products. A recent highlight from the pharmaceutical sector involved acting for Sanofi and Regeneron Pharmaceuticals in patent litigation against Amgen concerning the new biologic Dupixent. The group also represented Sanofi and Regeneron Pharmaceuticals in two IPRs against Amgen subsidiary Immunex, securing institution of both IPRs challenging an Immunex patent. TiVo, Unwired Planet and Nokia are also clients. Theodore Stevenson and Douglas Cawley direct the practice which includes firm founder Mike McKool, Ashley Moore, Los Angeles' Roderick Dorman and Austin's Kevin Burgess.Kat Li in Austin, Nicholas Mathews and New York's Lauren Fornarotto made partner. Unless otherwise stated, all practitioners are based in Dallas. Lawrence Hadley joined Glaser Weil Fink Howard Avchen & Shapiro LLP.

Morrison & Foerster LLP

Morrison & Foerster LLP impresses with an excellent track record of litigation in the life sciences, consumer products and technology sectors. Jointly led by San Francisco-based Richard Hung and Michael Jacobs, the practice group provides the full range of patent litigation services; the team has a deep bench of PTAB specialists and appellate experts, and also benefits from a big international footprint. Notably, the team regularly acts in conjunction with colleagues from the Tokyo office.

Paul Hastings LLP

Paul Hastings LLP has 'a deep bench' of lawyers, who combine 'exceptional technical expertise and a great strategic approach'. The 'very dedicated' team is a go-to-practice for PTAB litigation, especially for petitioners; it is primarily active in life sciences litigation, especially in pharmaceuticals and biotechnological cases, but is also instructed by clients in the technology and telecoms industries. A recent success was the defense of Trend Micro against Intellectual Ventures in a Federal Circuit case in which co-chair Yar Chaikovsky from Palo Alto secured a rare grant for attorney's fees from the court, winning the full $441,000 for the client. Together with his Washington DC-based co-chairs, Joseph Palys and Naveen Modi ('a top-notch advocate') Chaikovsky obtained an affirming decision from the Federal Circuit on behalf of HTC in a consolidated case against Virginia Innovation Sciences and Amazon, obtaining dismissal of over 360 claims covering eight patents as ineligible. Helsinn Healthcare, Boehringer Ingelheim and Sumitomo Dainippon Pharma are also among the team's clients. Eric Dittmann and Joseph O’Malley in New York impress with their 'passion, dedication, experience' and 'amazing ability to master the nuances and complexities of cases'. Other key figures include Washington DC's Jeff Pade and Blair JacobsBruce Wexler and of counsel Young Park in New York. Robert Unikel and of counsel Robert Laurenzi joined from Arnold & Porter in Chicago and New York respectively, and David Beckwith joined from Fitzgerald Knaier LLP. Palo Alto's Philip Ou made partner. Gerald Flattmann and Evan Diamond left for King & Spalding LLP, while Michael Hendershot joined Jones Day and Hassen Sayeed joined O'Melveny & Myers LLP.

Venable LLP

Venable LLP acquired New York IP boutique Fitzpatrick, Cella, Harper & Scinto and now has particular strength in the electronics and life science sectors, with an especially busy practice for branded pharmaceutical companies. Michael Sandonato, who chairs the ITC litigation practice with Edmund Haughey, obtained a precedential PTAB decision for long-standing client Canon regarding five ultimately denied follow-on IPRs that General Plastic Industrial had filed. Nicholas Kallas successfully defended two Novartis patents covering the use of the drug Afinitor against invalidity claims brought forward by West-Ward Pharmaceuticals in the district court of Delaware. Washington DC's Justin Oliver directs the PTAB practice, while Justin Pierce, also in Washington DC, chairs the intellectual property department with New York's Dominick CondeScott Reed and Washington DC-based Megan Woodworth jointly head the intellectual property litigation practice. Christopher Borello in New York is also noted. Charlotte Jacobsen joined Ropes & Gray LLP before the merger, and Tamany Vinson Bentz joined DLA Piper LLP (US). Additional clients include biopharmaceutical player Alkermes, Sanofi and Allergan.

Winston & Strawn LLP

The team at Winston & Strawn LLP 'always rolls up its sleeves to get through thorny projects'. Known as 'consistent, trusted, and reliable advisers', the practice group comprises 'very effective litigators'. Defense instructions, especially from generics pharmaceutical clients, account for a significant portion of the caseload, but the group also demonstrates strength in the wider life sciences, energy and technology sectors. Chicago's George Lombardi led the joint defense group for Watson Pharmaceuticals in a major victory over Amgen, which had filed a patent infringement claim regarding the only non-expired patent covering its blockbuster drug Sensipar. Other work came from Chamberlin Group, Sandoz and medical device player Alphatec Holdings. The 'smart, insightful and hard-workingKrishnan Padmanabhan, who splits his time between New York and Silicon Valley, has 'exceptional client management skills' and 'has developed a reputation for excellence'. Washington DC's Charles KleinDavid Enzminger, based in Los Angeles and Silicon Valley, and Thomas Patrick Lane in New York jointly lead the practice group. Kurt Mathas and newly promoted partner Bryce Cooper in Chicago are also noted. Esha Bandyopadhyay joined Fish & Richardson P.C. while Sam Park joined Hikma Pharmaceuticals.

Arnold & Porter

Life sciences patent litigation is Arnold & Porter's key strength, though technology patents also form an important part of the recent caseload. Practice head Matthew Wolf in Washington DC recently represented Boston Scientific in a medical device patent infringement case against defendant Edwards Lifesciences concerning transcatheter aortic valve replacement patents, involving two separate infringement suits before the District Court of Delaware and the District Court of Central California as well as a counterclaim in Delaware. Wolf also secured a summary judgment for patent owner Hologic in a case against Minerva Surgical, conducted over infringement of two patents for an endometrial ablation product. Michael Berta in San Francisco is also noted. Evan Rothstein joined the Denver office from Brownstein Hyatt Farber Schreck, LLP, while Robert Unikel left for Paul Hastings LLP. Michael Malecek retired. Clients also include Google, Pfizer and Nintendo.


Goodwin impresses with 'experienced, savvy, solutions-oriented counsel' that is 'responsive' and 'creative'. Especially adept at litigation concerning pharmaceuticals and biosimilars, the group also has expertise in technology-related mandates. In a recent highlight, Washington DC's William Jay is representing respondent Teva Pharmaceutical in a Supreme Court case against Helsinn involving the interpretation of a stipulation in the America Invents Act regarding the sale of inventions under a confidentiality agreement. Additionally, the practice won two district court cases for Dr. Reddy's Laboratories against Reckitt Benckiser and MonoSol X, concerning a generic version of opioid use disorder drug Suboxone that the client sought to launch. Actavis Laboratories, Facebook and Gillette also feature on the client roster. New York's  Mark Abate and 'first-rate strategic thinker' Elaine Blais in Boston are key contacts. Trio Ronald PabisStephen Shahida and Patrick McCarthy in Washington DC, who joined from Greenberg Traurig LLP alongside Mark Davis, 'are an incredible team'. Darryl Woo joined the San Francisco office from Vinson & Elkins LLP. Marcia Sundeen and Marta Gross retired. Counsel Brian Robinson left for Novartis.

Latham & Watkins LLP

Latham & Watkins LLP is rated for its 'deep bench of talent', 'deep litigation expertise', and its 'responsiveness, business acumen, industry knowledge and zealous advocacy'. The group is 'not afraid to take calculated risks' and 'thinks creatively', making it an 'excellent choice' for litigation mandates. Recent standout matters show the practice's wide-ranging sector expertise, including an impressive caseload of pharmaceuticals and life sciences litigation. With expertise in district court and ITC litigation alike, the group recently advised Xperi on several cases brought against Samsung regarding 23 patents covering various technologies, including three suits in the Eastern District of Texas, two in New Jersey and one in Delaware Federal Court, in addition to one case at the ITC. Honda instructed the team to advise on its infringement case against Intellectual Ventures, which is pending in California and at the ITC. Major pharmaceutical highlights including the representation of AbbVie Biotechnology in litigation against Amgen and Boehringer Ingelheim, which involved biosimilar versions of blockbuster drug Humira; against Novartis in a 13-patent case involving Hepatitis C drug patents; and against AstraZeneca over blockbuster breast cancer drug Imbruvica. San Diego's Jennifer Barry, Chicago's David Callahan and Washington DC's Michael Morin direct the practice. The 'tough and tenaciousMaximilian Grant, also based in Washington DC, 'adeptly orchestrates all of the assets on the battlefield, but is always focused on the big picture'. Silicon Valley's Douglas Lumish is 'one of the top litigators in the country'. Also of note, Tara Elliott and counsel Rachel Weiner Cohen joined in Washington DC from WilmerHale. Other clients include Arista Networks, Zimmer Biomet and Alvogen.

McDermott Will & Emery LLP

McDermott Will & Emery LLP specializes in the life sciences and technology sectors. Recent standout examples include the representation of 23andMe in a patent and trademark infringement suit against competitor regarding patents on relatedness identification through DNA analysis; that matter was led by Silicon Valley duo William Gaede and Bhanu Sadasivan. In Washington DC, practice head Nicole JantziPaul Schoenhard and Ian Brooks secured a PTAB victory for Contour IP Holding in proceedings against GoPro, which had challenged camera patents and filed for appeal after being defeated in first instance. ZTE, Sandoz and Amgen are also clients. The team has recently seen a number of departures: Natalie BennettChristopher BrightJeffrey GarganoHersh MehtaKevin ShortsleKrista Vink Venegas and Brent Hawkins joined Morgan, Lewis & Bockius LLPEric Hagen joined DLA Piper LLP (US); and Rita Yoon left for Jones Day.

Orrick, Herrington & Sutcliffe LLP

Orrick, Herrington & Sutcliffe LLP shoulders a strong and varied caseload for hi-tech clients, often coming from the electronics, telecoms, semiconductor, software and entertainment sectors. New arrival Jared Bobrow, who joined from Weil, Gotshal & Manges LLP together with Jason Lang, now chairs the practice alongside Sten Jensen in Washington DC. Los Angeles' Alyssa Caridis successfully defended Donghee against a six-patent infringement suit filed by Plastic Omnium Advanced Innovation & Research, eliminating two patents in IPRs, three in district court and one in subsequent mediation. Also recommended are Steven Routh in Washington DC and New York's Richard Martinelli, whose 'ability to efficiently and rapidly achieve client objectives is exceptional'. Also of note, Jacob Heath in Silicon Valley made partner, and Clement Seth Roberts joined the San Francisco office from Durie Tangri LLPElizabeth Gardner left for Robins Kaplan LLP, George Kanabe left for McAfee and Gabriel Ramsey joined Crowell & Moring LLP. Other clients include Fujifilm, Micron Technology and Nitto Denko, one of several Japanese clients.

Weil, Gotshal & Manges LLP

The team at Weil, Gotshal & Manges LLP 'fights aggressively, but reasonably', 'communicates effectively' and 'makes sure to engage the client on strategic approaches'. Life sciences and technology-related instructions form the heart of the practice and often involve post-grant proceedings as the practice is among the most active before the PTAB. Recent highlights include successfully defending Illumina against patent infringement claims brought by Ariosa Diagnostics in 2012 regarding patents covering non-invasive prenatal testing. Other clients include General Electric, Sanofi and Hewlett-Packard. Brian Ferguson in Washington DC, Edward Reines in Silicon Valley and Elizabeth Weiswasser in New York direct the practice. Derek Walter, also in Silicon Valley, recently made partner. Counsel Sudip Kundu joined in New York from Kundu PLLC, while Jared Bobrow and counsel Jason Lang left for Orrick, Herrington & Sutcliffe LLP.

Baker Botts L.L.P.

Baker Botts L.L.P. has 'a great deal of technical and legal expertise' and 'experience in all forums'. Moreover, the practitioners are 'excellent at coordinating litigation where actions take place in multiple forums simultaneously, keeping the ultimate goal in sight'. Technology-related litigation is the group's mainstay, with a recent example being the successful defense of Twilio in a patent infringement case against TeleSign involving four patents with an estimated claim value of approximately $870m; that matter was led by San Francisco duo Wayne Stacy and Sarah Guske. Key practitioners also include practice chairs Barton Showalter and Christa Brown-SanfordKurt Pankratz, 'top-notch attorneysDouglas Kubehl and Houston-based Roger Fulghum, 'masterful tactical thinker' Hopkins Guy in Palo Alto, and 'very experienced litigatorRobert Scheinfeld in New York. Austin's David Weaver is 'a strong negotiator'. Clients also include Genband, Fujifilm and AT&T Mobility. Unless otherwise stated, all practitioners are based in Dallas.

Cooley LLP

Cooley LLP is primarily active in the technology and life sciences sectors. The group has developed a specialist biosimilar practice while maintaining a strong Hatch-Waxman focus. In recent examples, the team represented Horizon Pharma in a district court case against Dr. Reddy's Laboratories, which the group won after six years of litigation concerning the infringement of Horizon Pharma's arthritis drug Vimovo. The group also regularly acts for Facebook, which it successfully defended against EveryMD in a Federal Circuit case regarding two online messaging patents. Further, Snap instructed the team to defend it in infringement litigation against competitor Vaporstream, initiated over patents covering methods for electronic message transferring and involving ten IPRs. Nintendo, Celltrion and Amgen also feature on the client roster. The team is headed by Washington DC-based Stephen Smith, and includes Palo Alto trio Heidi KeefeMark Weinstein and Michelle Rhyu.

Cravath, Swaine & Moore LLP

Cravath, Swaine & Moore LLP in New York has particular strengths in the pharmaceuticals and telecoms sectors. On the pharmaceuticals side, Keith Hummel and David Greenwald defended Amgen in pioneering BPCIA litigation brought by AbbVie in 2016, alleging infringement of ten AbbVie patents by Amgen's Amjevita, a biosimilar to blockbuster drug Humira. On the telecoms side, the group represents Qualcomm in a series of suits regarding modem chips, including several cases against Apple and a case against the Federal Trade Commission concerning an alleged breach of Section 5 of the Federal Trade Act. A major technology highlight was the successful representation of in a Federal Circuit case following IPRs against Vivint, which had filed for patent infringement of home security technology patents. Other notable instructions came from DRI Capital, Juno Therapeutics and OrbusNeich. Richard StarkDavid KapposDavid Greenwald and chairman Evan Chesler are other names to note. Vanessa Lavely made partner, and former US district judge Katherine Forrest joined the team.

Knobbe Martens Olson & Bear LLP

IP boutique Knobbe Martens Olson & Bear LLP acts for patent owners and alleged infringers alike, and has an especially strong PTAB practice for patents owners. The group boasts wide sectorial expertise, but enjoys a particularly good reputation for its track record in Hatch-Waxman litigation. Recent highlights include representing Orexigen Therapeutics in a district court case against a company seeking to introduce a generic version of obesity drug Contrave, and defending SecureAuth against a suit brought by StrikeForce Technologies alleging infringement of three patents. Litigation practice head Joseph Cianfrani in Irvine directs one of the deepest benches in the market, which includes pharmaceuticals specialist William Zimmerman in Washington DC, Irvine's Jon Gurka, a specialist in litigation from the electronics, semiconductor and technology sectors, and medical device litigation authority Christy Lea. Other clients include Monster Energy, Edwards Lifesciences and Intellectual Ventures.

Mayer Brown

At Mayer Brown, the electronics, pharmaceuticals and biotech sectors form the core of the practice. In particular, the group stands out for its focus on Chinese clients, a specialism of Gary Hnath in Washington DC, whose recent highlights include successfully defended Zhejiang Medicine against infringement allegations regarding CoQ10, a popular dietary supplement, brought forward by Kaneka. In a standout electronics instruction, the practice prevailed twice over ZTE, which had filed a patent infringement suit against Maxell regarding seven patents covering smartphone and tablet technologies in addition to launching IPR proceedings regarding seven Maxell patents. Other clients include Bang & Olufsen, Guangdong Chant Group and LG Electronics. New York's Lisa Ferri directs the practice. Colleen Tracy James left for Quinn Emanuel Urquhart & Sullivan, LLP.

Paul, Weiss, Rifkind, Wharton & Garrison LLP

Paul, Weiss, Rifkind, Wharton & Garrison LLP enthuses clients with its 'incredibly strategic mindset' and 'relentless advocates', whose 'loyalty and dedication sets them apart'. The team is especially active in the pharmaceuticals and technology industries, and acts for an impressive list of major clients such as 10x Genomics and Nichia. For Amgen, the team acted in multiple high-stakes cases, including Supreme Court and Federal Circuit litigation against Sandoz regarding biosimilars of Amgen blockbusters Neupogen and Neulasta and an infringement district court case against Apotex conducted over biosimilars of the same blockbuster drugs. Key figures in the practice group include 'talented lead trial counsel' and practice head Nicholas Groombridge, 'incredible' deputy practice head Catherine Nyarady ('never misses a beat') and David Ball in Washington DC. All lawyers are based in New York unless otherwise stated.

Ropes & Gray LLP

Technology-related work is Ropes & Gray LLP's mainstay, but the group has bolstered its life sciences bench with the arrival of Filko Prugo from O'Melveny & Myers LLP, and Charlotte Jacobsen from Fitzpatrick, Cella, Harper & Scinto. Acting as co-counsel, the team represented TiVo in district court and ITC litigation, including PTAB proceedings, regarding programme guide technology, wherein the practice group asserted TiVo patents against Comcast, Arris and Technicolor. The team also represented Godo Kaisha IP Bridge 1 in several proceedings against TCL Communications, Intel and Qualcomm, involving standard-essential LTE patents regarding the first opponent, and semiconductor manufacturing patents regarding the latter two opponents. Other notable instructions came from Emerson Electric, Veeco Instruments and Vizio. Andrew Thomases in Palo Alto directs the practice. Andrew Radsch, also in Palo Alto, and Washington DC's Matthew Rizzolo made partner. Alexander Middleton in New York was promoted to counsel. Richard McCaulley left to found McCaulley Dowell.


Dentons is rated for providing 'very clear and well-considered advice'. The group has a varied practice and recently bolstered its technology offering with the arrival of Timothy Carroll, Steven Lubezny and Manny Joseph Caixeiro, formerly of Perkins Coie LLP in Chicago. Silicon Valley's Robert Kramer led the defense of LED player RayVio against a patent infringement claim made by Nitride Semiconductor; he also successfully defended Nistica in a Federal Circuit appeal case against Finisar regarding optical networking patents. Robert Hanson in Dallas is the chair of the intellectual property and technology practice, while Kramer and Washington DC's Mark Hogge jointly lead the patent litigation group. The 'exceptional' Jennifer Bennett in Silicon Valley is also noted. Other clients include FastShip, Sembmarine and Synchronoss.

Hunton Andrews Kurth LLP

Hunton Andrews Kurth LLP stands out through its body of work for Volkswagen, which the group represented in several cases, including an infringement case regarding patents of portable computerized wireless apparatuses and computerized information and display apparatuses litigated before the PTAB and in district court; Volkswagen is just one of several of the group's auto-sector clients. For Kawasaki Rail Car, the practice secured an IPR victory against a Canadian inventor, invalidating his patents on television systems used in subway cars. A recent pharmaceutical highlight was advising Catalent Pharma Solutions on two IPRs regarding naproxen soft gel capsules. Sony, Lenovo and Toyota are other key clients. Tyler MaddryMichael Oakes, both based in Washington DC, and John Flock in New York direct the practice group.

Keker, Van Nest & Peters LLP

Keker, Van Nest & Peters LLP is primarily active in technology-related instructions and impresses with a strong track record in semiconductor litigation. Robert Van Nest in San Francisco is the key practitioner. Ashok Ramani joined Davis Polk & Wardwell LLP.

Norton Rose Fulbright

Norton Rose Fulbright has a varied practice, with a recent caseload including pharmaceutical, technology, telecoms and consumer product-related highlights. Jeffrey Lewis in New York represented Purdue Pharma in litigation against defendants Alvogen and Actavis regarding 35 patents in nine consolidated suits aimed at stopping the launch of a generic version of Purdue Pharma's pain medication Hysingla. Uni-Systems instructed the team in a suit brought against the United States Tennis Association and the architects and engineers responsible for the retractable roof at Arthur Ashe Stadium, involving patent infringement, trade secrets and unfair competition elements. Houston-based practice head Charles Walker, New York's Paul Keller and David Heskel Ben-Meir in Los Angeles are other names to note. Qualcomm, Expedia and AT&T also feature on the client roster.

O'Melveny & Myers LLP

O'Melveny & Myers LLP specializes in the consumer electronics and pharmaceuticals sectors, but is also experienced in semiconductor and telecoms-related cases. In a recent standout instruction, the team successfully defended Google against patent infringement allegations brought forward by Art+Com InnovationPool, securing an invalidity judgment of image display patents from the district court of Delaware, later confirmed by the Federal Circuit. The group also obtained a successful settlement for Mentor Graphics after PTAB proceedings and multiple Federal Circuit appeals against Synopsys, securing a $65m payment from the opponent. Other work came from Hulu, Samsung Electronics and Niantic. Ryan Yagura in Los Angeles directs the practice. Hassen Sayeed joined in New York from Paul Hastings LLP.

Baker & Hostetler LLP

Baker & Hostetler LLP stands out for its expertise in US Court of Federal Claims litigation involving patent infringement. Recent examples include the representation of four contractors accused of having delivered patent infringing video surveillance products to the US government, which was sued by 3rd Eye Surveillance together with the Department of Defense, the US Air Force and the Department of Homeland Security, among others. Additionally, the group secured a Federal Circuit victory for defendant SPX Cooling Technologies over Baltimore Aircoil, affirming the district court's judgment. Comcast, TomTom and Hewlett-Packard are also clients. Practice head Mark Tidman and Cy Walker are key practitioners. Counsel Paul Larson left the firm. Washington DC is the main patent litigation hub, but the team is also present in Cincinnati and Philadelphia.

Fenwick & West LLP

Fenwick & West LLP's 'client-oriented' team is rated for its 'ablity to see the heart of a patent dispute' and recently bolstered its litigation bench with the arrival of Jeffrey OelkeKevin McGannJames TrainorAdam GahtanRobert Counihan and Ryan Johnson from White & Case LLP in New York. The group recently represented Nutanix and Nexon America in five law suits filed by Uniloc, involving overlapping patents; the team filed a declaratory judgment action for Nutanix in the district court of the Northern District of California rather than seeking to transfer venue following Uniloc's suit filed in the Eastern District of Texas, thereby obtaining dismissal of the case filed in Texas. Other work came from supercomputer manufacturer Cray, mobile game company Supercell Oy and various pharmaceuticals players. San Francisco's Michael Sacksteder and Rajiv Patel in the Mountain View office direct the practice group.

Hogan Lovells US LLP

The 'strong team' at Hogan Lovells US LLP 'works extremely hard and is very dedicated'; it combines wide-ranging sector expertise with the firm's international footprint, making it especially well suited for cross-border disputes. The 'extremely responsive, detail-oriented and knowledgeableArlene Chow in New York, who has 'excellent writing and advocacy skills', secured a double victory for Amgen over Apotex in a dispute regarding two blockbuster chemotherapy drugs, succeeding both before the PTAB and in district court. Practice head Celine Jimenez Crowson in Washington DC represented Mercedes-Benz in a long-running dispute against Beacon Navigation, involving district court litigation and an ex parte reexamination. BASF, T-Mobile, Asahi Glass and Santen Pharmaceutical are also among the team's clients. Eric Lobenfeld and newly promoted counsel Ernest Yakob in New York are also recommended. Tony Pezzano and Michael Dougherty joined DLA Piper LLP (US), while Jay Yates joined Patterson + Sheridan LLP.

Hughes Hubbard & Reed LLP

Hughes Hubbard & Reed LLP is well known for its ability to obtain seminal Supreme Court judgments. The New York-based team successfully defended Automated Packaging Systems against claims brought by Free-Flow Packaging International regarding a patent covering the apparatus used to inflate packaging cushions -- one of the client's key patents. Another highlight was representing Costco in litigation against plaintiff Bosch, involving 18 patents covering windshield wipers. SNF Holding, L&R USA and Citizens Equity First Credit Union are also clients. James W. Dabney heads the practice. Stephen Rabinowitz left for Dechert LLP.

Kasowitz Benson Torres LLP

Kasowitz Benson Torres LLP focuses on technology- and pharmaceutical-related cases, acting for both plaintiffs and defendants. Jonathan WaldropDarcy Jones and Marcus Barber joined forces to defend Google, Motorola, LG, Samsung and Asus against an infringement suit brought by a Japanese inventor regarding lock features for Android-based smartphones and wearables, obtaining a full dismissal for all clients. On the plaintiff side, the trio acted for MV3 Partners in a suit brought against digital media player Roku over a patent covering media streaming technology. Jay Deshmukh joined the New York office, while Steven Carlson left for Robins Kaplan LLP. Verizon, Sony Electronics and Mallinckrodt are also key clients.


The 'highly engaged' and 'very knowledgeable' team at Milbank impresses clients with its 'great team spirit' and 'high quality of work'. Despite its compact size, the group has a breadth of sector strength that is comparable to many bigger firms in the market. Pharmaceutical specialists Errol Taylor and Fredrick Zullow obtained a favourable and precedential Federal Circuit decision for plaintiff Orexo, which had filed for patent infringement against Actavis after it had filed an Abbreviated New Drug Application for a generic version of Orexo's opioid drug medication Zubsolv. Christopher Gaspar, who specializes in electrical-, semiconductor-, computer-, financial-services-, and medical device-related cases, and Los Angeles-based practice head Mark Scarsi successfully defended Fujitsu Network Communications against a suit filed by Capella Photonics regarding optical telecommunication patents, obtaining favourable decisions from the PTAB and the Federal Circuit before the plaintiff petitioned for a writ of certiorari in the Supreme Court. Google, Knickerbocker Bed and Emeram Capital Partners also feature on the client roster.

Morgan, Lewis & Bockius LLP

The 'strategic thinkers' at Morgan, Lewis & Bockius LLP combine 'formidable depth of experience' with 'out of the box advice that balances commercial needs, costs, risk and impact'. One of the fastest-growing practices in the market, the 'smart, dedicated and extremely focused' group, jointly headed by Louis Beardell and Eric Kraeutler, has built an impressive litigation portfolio with a broad spread of sector experience. A recent example of the team's court prowess was the win for the Alfred E. Mann Foundation for Scientific Research in a long-running case against Cochlear, started in 2007 and involving $268m in damages awarded to the foundation. Nathalie Bennett joined the Washington DC office, Christopher Bright, who 'provides insightful, forward-thinking advice', joined in Orange County, Jeffrey GarganoHersh MehtaKevin Shortsle and Krista Vink Venegas joined in Chicago and Brent Hawkins joined in San Francisco, all from McDermott Will & Emery LLP. Palo Alto's Jason Gettleman recently made partner, and Michael Abernathy is also noted. Other clients include BlackBerry, Taro Pharmaceuticals and Yahoo!.

Williams & Connolly LLP

Williams & Connolly LLP in Washington DC predominantly acts for clients from the pharmaceuticals, biotechnology, electronics and software, and medical and mechanical device sectors. The litigation specialists count a formidable list of major players as its clients, including Eli Lilly for which the group acted in multiple patent litigation cases, a particularly notable example of which involved a win against Dr. Reddy's regarding infringement of a patent covering a method of administering a chemotherapy drug. Genentech, Samsung Electronics and Helsinn Healthcare also feature on the client list. Adam Perlman and Thomas Selby direct the practice, and David Berl is also noted.