Haynes and Boone, L.L.P. > Dallas, United States > Firm Profile
Haynes and Boone, L.L.P. Offices

2323 VICTORY AVENUE
SUITE 700
DALLAS, TX 75219-7673
TEXAS
United States
Haynes and Boone, L.L.P. > The Legal 500 Rankings
Intellectual property > Trademarks: non-contentious (including prosecution, portfolio management and licensing) Tier 2
Haynes and Boone, L.L.P. advises on the international portfolios of a diverse global range of active trademark clients. The team is headed in Dallas by David Bell, who builds protection plans and trademark enforcement strategies for clients across the financial services, music, apparel, consumer products, restaurants and telecoms sectors. Supported by Jeffrey Becker, who has extensive brand management experience, and advertising and social media issues specialist Erin Hennessy in New York, the group’s comprehensive service extends to international trademark clearance and brand launches and prosecutions around the globe. In Dallas, Purvi Patel Albers handles tech and television and film clients and Tiffany Ferris, who brings expertise in brand promotion, was promoted to partner in January 2022.Practice head(s):
Other key lawyers:
Testimonials
‘Very friendly attorneys who are excellent at advising clients.’
‘Partner goes to great effort to provide top quality service and establish good relations.’
‘Purvi Albers, Tiffany Ferris – both amazing lawyers, who know our business, and tailor their practice to our needs. They are the best of the best.’
Key clients
AT&T
Cotiviti
Dallas Cowboys
San Antonio Shoe Company
Halliburton Energy Services
Hachette Book Group
Moxiworks
VP Racing Fuels
RealPage
Work highlights
- Acting as primary trademark counsel for AT&T and representing the company for more than two decades in trademark prosecution and counseling as well as trademark litigation, TTAB oppositions and proceedings.
- Acting as primary outside trademark counsel to the Dallas Cowboys, handing trademark prosecution and clearance for the company.
- Acting as primary trademark counsel to oil field service company Halliburton, managing its trademark clearance, preparation and filing of new trademark applications, defense of oppositions before the Trademark Office. Trademark Trial and Appeal Board, and overall strategy.
Finance > Structured finance: derivatives and structured products Tier 3
The derivatives team at Haynes and Boone, L.L.P. advises a broad range of clients, including international banks, private equity funds, hedge funds, and bank holding companies on securities, derivatives, and regulatory matters. Its derivatives expertise extends to hedging derivatives, over-the-counter products, and project finance-related hedging agreements. Practice head Neal Kaminsky is based in Houston and covers compliance with Dodd-France, CFTC, and FERC regulatory requirements. In New York, Giorgio Bovenzi specializes in global credit risk management regarding derivatives. He works alongside Matthew Frankle, a key contact regarding equity financing transactions such as swaps, options, and repurchase agreements, and Brian Sung, who focuses on derivatives and commodities markets, as well as alternatives investments and cryptocurrency. Based in Washington DC, Phil Lookadoo focuses on the energy and project finance derivatives space.Practice head(s):
Neal Kaminsky
Other key lawyers:
Giorgio Bovenzi; Craig Unterberg; Phil Lookadoo; LeAnn Chen; Matthew Frankle; Brian Sung; Tim Johnston; James Markus; Alex Grishman
Testimonials
‘I have not come across another firm that has both the depth and breadth of expertise that Haynes and Boone has in the field of structured finance. It is invaluable to our business to have a go to firm that we can trust and rely on without a second thought.’
‘Alex Grishman, Matthew Frankle and Brian Sung are the cornerstones of this group. Each one of them has deep subject matter expertise, impeccable work ethic and a perfect combination of legal skills and business sense to get the work done that is need. I do not think that there is a better firm for this kind of work.’
Industry focus > Energy litigation: oil and gas Tier 3
Representing both large corporations and small independent producers across the US, the team at Haynes and Boone, L.L.P. has experience litigating in state and federal courts, and in both domestic and international arbitrations. The group handles a wide range of mandates, including lease termination disputes, midstream disputes and royalty litigation. Practice co-head Craig Stahl manages the firm's The Woodlands office (greater Houston metro area) and has extensive experience in multidistrict litigation and class actions. Fellow practice co-head Michael Mazzone frequently represents energy companies in environmental contamination and toxic tort cases. Michelle Scheffler (who has experience handling federal royalty class actions in a number of states), and David Ammons (up-, mid- and downstream oil and gas litigation) are also recommended. All individuals are based in Houston unless stated otherwise.
Practice head(s):
Craig Stahl; Michael Mazzone
Other key lawyers:
David Ammons; Michelle Scheffler; Jeffrey Keuhnle; Garrett Martin
Testimonials
‘Subject matter expertise. Very practical. Know the business extremely well.’
Key clients
Ovintiv USA (formerly: Newfield Exploration)
Finley Resources
ConocoPhillips
Tetra Technologies
Hess Corporation
Oasis Petroleum North America
Mewbourne Oil Company
Shell Oil Company
Burlington Resources Oil & Gas Company
Citizen Energy
Work highlights
- Succcessfully represented Shell Oil Company in a five-week jury trial concerning environmental contamination claims; the plaintiffs claimed personal injury and property damage from an alleged neighbourhood cluster of asthma, lupus and autoimmune diseases.
- Representing Burlington Resources Oil & Gas Company in a putative class action alleging late royalty payments on thousands of leases in North Dakota.
- Representing Newfield Exploration Company (now Ovintiv USA) as lead counsel in two cases: the first, a putative class action alleging improper post-production royalty deductions on royalty payments now pending in the United States District Court for the Eastern District of Oklahoma; the second, a precedent-setting matter in which the State of North Dakota claims that it was underpaid royalties on state oil and gas leases in which a take-nothing judgment was secured against the State.
Industry focus > Insurance: advice to policyholders Tier 3
The team at Haynes and Boone, L.L.P. handles claims resolution and litigation as well as negotiation of policies and contractual indemnity terms. The practice includes third-party liability as well as first-party property disputes while also advising clients on insurance and indemnity issues in corporate transactions. Ernest Martin Jr. heads the practice from the Dallas office, and represents policyholders in coverage disputes before state and federal courts in Texas and across the country. Litigator Leslie C. Thorne, based in New York and Austin, is also a key practitioner.
Practice head(s):
Other key lawyers:
Testimonials
‘We had a huge issue with a payer source to Haynes Boone. They assembled the right team and built a case and worked with the payer to solve the issue . We appreciated their guidance and explanations of the legal issues involved. ‘
‘Honesty to tell you the legal options with the consequences of each in a way that was easy to make decisions. They were respected by the payer.’
Key clients
XTO Energy
Boy Scouts of America
Clinical Pathology and Sonic Healthcare USA
Double Diamond
Curtis Park Group, LLC
Lundberg LLC and LDX Solutions
Lamacar, Inc. d/b/a Kelli’s Gift Shop Suppliers
Landry’s, Inc.
Riverside Engineering
Hertz Global Holdings, Inc.
Pioneer Natural Resources
ExxonMobil
Lionsgate/Starz
Genesee & Wyoming Railroad Services, Inc. and Atlas Railroad Construction
Balfour Beatty Communities, LLC
TD Williamson, Inc.
Industry focus > Energy litigation: electric power Tier 4
The power litigation group at Haynes and Boone, L.L.P. has a strong presence in the Texas power industry, representing a diverse client base that includes renewable and thermal power generators, investors and lenders, municipal utilities and retail electric providers, among others. The group has an extensive history working on matters connected to the Electric Reliability Council of Texas (ERCOT) and has been particularly active in Winter Storm Uri-related litigation. Practice co-head Leslie Thorne splits her time between New York and Austin; Ben Mesches co-leads the team in Dallas.
Practice head(s):
Leslie Thorne; Ben Mesches
Other key lawyers:
Jason Jordan; Andrew Guthrie
Testimonials
‘The team is highly experienced in energy and one of the best I have ever encountered.’
‘The team at Haynes and Boone has a deep industry knowledge that comes from years of experience across the conventional power space. This experience spans financing, insolvency, regulatory, corporate and disputes practice areas and they draw on this experience in an integrated manner to provide insight and strategic solutions. They are unique because they are able to apply this skill-set in a client-focused way.’
Key clients
Panda Power Funds
Papalote Creek II, LLC (this is a joint venture with RWE)
Southwest Power Pool, Inc.
South Texas Electric Cooperative, Inc. (STEC)
EDP Renewables North America, LLC
NextEra Energy
Tokai Carbon
Contour Global
Ormat Technologies
RWE Renewables Americas, LLC
Work highlights
- Representing Panda against ERCOT in a case of first impression with respect to Capacity, Demand and Reserves reports relied on for the financing of three gas-fired generating units.
- Represents multiple clients in relation to mass tort litigation arising out of Winter Storm Uri in Texas.
- Representing Ormat’s subsidiary Viridity Energy Solutions, a qualified scheduling entity (QSE), in commercial litigation arising out of ERCOT’s demand response programs.
M&A/corporate and commercial > M&A: middle-market (sub-$500m) Tier 4
Industry focus > Healthcare: life sciences Tier 5
Haynes and Boone, L.L.P. offers a strong emphasis on genetics and precision medicine, with a growing presence in the personalized medicine space. It provides IP services for these clients, both in contentious matters and on transactions, such as representing Teneobio in its $900m sale to amgen. The team’s San Francisco office is particularly strong, with team co-head Roger Kuan particularly known for his emerging companies work in the digital health and bioprinting sectors, while Jason Novak is also recommended for patent litigation. Benjamin Pelletier joined from Venable LLP in January 2021.Practice head(s):
Roger Kuan; Jason Novak; Benjamin Pelletier; Randy Peak
Other key lawyers:
Michael Smith
Testimonials
‘I’ve enjoyed my time with Jason Novak. He is a caring, empathetic, and committed source of counsel. Jason brings in the right people for our needs at the right time. He is transparent with expectations and clear in direction.’
‘Michael Smith has displayed the same level of professionalism.’
Key clients
TeneoBio, Inc.
GRAIL, Inc.
InterVenn Biosciences
Volumetric Biotechnologies
Berkeley Lights, Inc.
Mekonos Inc.
Work highlights
- Represented TeneoBio, Inc. in connection with its acquisition by Amgen.
- Advised Volumetric in its sale to 3D Systems to help advance research in life science technology and 3D printing.
- Advising InterVenn Biosciences on ongoing patent portfolio management, prosecution, and counseling.
Labor and employment > Employee benefits, executive compensation and retirement plans: transactional Tier 5
Haynes and Boone, L.L.P. counts domestic and multinational companies across the food and beverages, financial services, retail and energy sectors among its key roster of clients, and handles the executive compensation and employee benefits aspects of high-value acquisitions. From the firm’s Dallas office, Susan Wetzel leads the group and has experience in equity incentive benefit plans, while Chris Kang acts for financial institutions in ERISA-related matters. Houston-based Jesse Gelsomini focuses on tax-qualified pension, 401(k) and ESOP plans.Practice head(s):
Susan Wetzel
Other key lawyers:
Key clients
Blucora, Inc
CSW Industrials
Enbridge Inc.
Vaalco Energy
Texas Capital Bancshares, Inc.
Paycom Software, Inc.
Performance Food Group Company
Arcosa, Inc.
Tuesday Morning Corporation
Landry’s Inc.
Work highlights
- Represented Arcosa in its acquisition of StonePoint Ultimate Holding, LLC and its affiliated entities from an affiliate of Sun Capital Partners.
- Represented CSW Industrials, Inc. in its acquisition of TruAire, Inc.
Finance > Financial services regulation Tier 7
Haynes and Boone, L.L.P. stands out for its work in global credit risk management, where it provides advice to prominent international banks. The team has a particular focus on the regulatory and credit risk aspects of margin loan transactions, and also advises on Basel III capital requirements. Key figures in the team include Giorgio Bovenzi, who specializes in global credit risk management, and Craig Unterberg , who leads on margin loan regulatory work. Both are based in New York.Practice head(s):
Neal Kaminsky
Other key lawyers:
Giorgio Bovenzi; Craig Unterberg; LeAnn Chen
Testimonials
‘The team has an outstanding grip on the market and has a deep knowledge on banking regulatory matters. They distinguishes themselves from their competitors by virtue of their client-oriented approach, in addition to being extremely technically strong and always on top of the latest regulatory developments in the market.’
‘Giorgio Bovenzi is an absolute star, with truly outstanding regulatory and industry knowledge. He is a very smart individual, and an excellent lawyer who can swiftly grasp and resolve any issue. Giorgio has a well-deserved, sterling reputation with regard to his broad knowledge and in-depth understanding of cross-border banking and financing transactions. I would also like to emphasize the hugely impressive talent for providing precise and detailed technical advice of Craig S. Unterberg, who stands out for his a profound understanding of fund financing matters. He is a real specialist in the field.’
‘Giorgio Bovenzi is a major asset. Not afraid to tackle the most complex issues head on.’
‘LeAnn Chen is the person I work with most often. She is flexible, demonstrates excellent depth of expertise in several different areas, and always responds in a timely manner. She does not hesitate to raise issues that might be relevant even when not asked specifically to address those issues. Her writing and editing skills are top-notch and she is a pleasure to work with.’
‘Haynes and Boone have throughout the years shown exceptional qualities when it comes to their financial services practice, including being thorough in their analysis and solution-oriented.’
‘Giorgio Bovenzi is highly talented in this field, provides prompt and detailed advice and has an extraordinary network of non-US law firms that can provide relevant advice for the large number of foreign markets in which we provide custody services to our customers. In most cases he is the sole attorney we rely upon.’
‘What makes the Financial services regulation of Haynes and Boone unique is in my view that they are at the forefront of advising financial institutions on how regulatory reform will impact their business. They combine regulatory experience with practical insights.’
‘Craig Unterberg and LeAnn Chen are true experts in their fields. They are responsive, they do a great job identifying issues and coming up with commercial solutions. They are also very knowledgeable on industry practice.’
Dispute resolution > Appellate: courts of appeals / Appellate: supreme courts (states and federal)
In a major development, Haynes and Boone, L.L.P. brought in high-profile appellate specialist Daniel Geyser to lead its US Supreme Court practice. Traditionally a dominant force in the Texas market, the arrival of Geyser — who splits his time between Dallas and Denver — is expected to strengthen the team's national offering.
Intellectual property > Patents: prosecution (including re-examination and post-grant proceedings)
Haynes and Boone, L.L.P. > Firm Profile
Haynes and Boone, LLP is an international corporate law firm with offices in Texas, New York, California, Charlotte, Chicago, Denver, Washington, D.C., London, Mexico City and Shanghai, providing a full spectrum of legal services in energy, technology, financial services and private equity. With 600 lawyers, Haynes and Boone is ranked among the largest US-based firms by The National Law Journal, The American Lawyer and The Lawyer. It was recognized for excellence in the BTI Consulting Group’s 2021 “A-Team” report, which identifies the law firms that in-house counsel commend for providing superior client service.
Main Contacts
Department | Name | Telephone | |
---|---|---|---|
Managing Partner | Taylor Wilson | taylor.wilson@haynesboone.com | 214.651.5615 |
Administrative Partner - Austin | Rob Lauer | rob.lauer@haynesboone.com | 512.867.8505 |
Administrative Partner - Charlotte | Todd Cubbage | todd.cubbage@haynesboone.com | 980.771.8250 |
Administrative Partner - Chicago | Laura Beth Miller | laura.miller@haynesboone.com | 312.216.1625 |
Administrative Partner - Dallas | Tom Harris | tom.harris@haynesboone.com | 214.651.5630 |
Administrative Partner - Denver | Dan Malone | dan.malone@haynesboone.com | 303.382.6218 |
Administrative Partner - Fort Worth | Karen Precella | karen.precella@haynesboone.com | 817.347.6620 |
Administrative Partner - Houston | Ricardo Garcia-Moreno | ricardo.garcia-moreno@haynesboone.com | 713.547.2208 |
Managing Partner - London | William Cecil | william.cecil@haynesboone.com | +44 (0)20 8734.2837 |
Administrative Partner - Mexico City | Edgar Klee | edgar.klee@haynesboone.com | +52.55.5249.1873 |
Administrative Partner - New York | Craig Unterberg | craig.unterberg@haynesboone.com | 212.659.4987 |
Administrative Partner - Orange County | Greg Michelson | greg.michelson@haynesboone.com | 949.202.3022 |
Administrative Partner - Palo Alto | Gary Edwards | gary.edwards@haynesboone.com | 650.687.8842 |
Administrative Partner - Dallas-North | Dustin Johnson | dustin.johnson@haynesboone.com | 972.739.6969 |
Administrative Partner - San Antonio | Diana Liebmann | diana.liebmann@haynesboone.com | 210.978.7418 |
Chief Representative and Administrative Partner, Shanghai Office | Liza Mark | liza.mark@haynesboone.com | +86.21.6062.6183 |
Administrative Partner - The Woodlands | Craig Stahl | craig.stahl@haynesboone.com | 713.547.2304 |
Administrative Partner - Washington, D.C. | Phil Lookadoo | phil.lookadoo@haynesboone.com | 202.654.4510 |
Administrative Partner - San Francisco | Brian Kwok | brian.kwok@haynesboone.com | 415.293.8901 |
Lawyer Profiles
Photo | Name | Position | Profile |
---|---|---|---|
![]() | Jeffrey M. Becker | Partner | View Profile |
![]() | David A. Bell | Partner, Chair – Trademark Practice Group | View Profile |
![]() | LeAnn Chen | Partner | View Profile |
![]() | Tom Harris | PartnerAdministrative Partner – DallasChair – Merger and Acquisitions Practice Group | View Profile |
![]() | Tim Johnston | Partner | View Profile |
![]() | James Markus | Partner | View Profile |
![]() | Purvi Patel Albers | Partner | View Profile |
![]() | Scott Thompson | Counsel | View Profile |
Staff Figures
Partners : 249 Other Lawyers : 341Languages
Arabic Armenian Chinese (various dialects) Dutch Filipino French German Greek Hebrew Indian Gujarati Hindi Malayalam Urdu Indonesian Italian Japanese Korean Persian Portugese Romanian Russian Serbo-Croatian Spanish Thai Taiwanese Vietnamese- Intellectual property > Trademarks: non-contentious (including prosecution, portfolio management and licensing)
Firm Rankings
- Finance > Structured finance: derivatives and structured products
- Industry focus > Energy litigation: oil and gas
- Industry focus > Insurance: advice to policyholders
- Industry focus > Energy litigation: electric power
- M&A/corporate and commercial > M&A: middle-market (sub-$500m)