Haynes and Boone, L.L.P. > New York, United States > Firm Profile

Haynes and Boone, L.L.P.
United States

Intellectual property > Trademarks: non-contentious (including prosecution, portfolio management and licensing) Tier 2

Haynes and Boone, L.L.P. fields a team of experienced trademark lawyers across the country, though its strongest presence is in Dallas. Acting for clients in the advertising, telecoms, financial services and music industries, the team handles the full range of IP matters, including domain name disputes, oppositions and enforcement. Contacts in the Dallas office include trademark group chair David Bell, a name to note for international brand management; Purvi Patel Alber, who advises Fortune 500 companies on US and foreign trademark enforcement; and Jeffrey Becker, who is also noted for brand management as well as for advertising issues. 2020 saw the introduction of a number of new team members: in May, Erin Hennessy joined from Bracewell LLP; in August, partner Joseph Matal joined from the USPTO; and in November, Theresa Conduah joined the firm from an in-house role.

Practice head(s):

David Bell


‘David Bell is a very good lawyer with an extensive network of international lawyers. The H&B team can consult, help prosecute marks, and provide infringement advice in any country.’

‘David Bell leads the team and is exceptional. Pleasant, efficient and always forward-looking. Tiffany Ferris is a dynamo and very knowledgeable on IP and advertising matters.’

Key clients



Dallas Cowboys

San Antonio Shoe Company

Starz Entertainment

Halliburton Energy Services

Hachette Book Group

VP Racing Fuels

York Capital Management


Work highlights

  • Handled trademark and brand management, including global clearance and risk assessments, prosecution, advertising counseling and social media strategy, for AT&T and Xandr, its advertising and analytics division.
  • Managed the international expansion of STARZ and STARZPLAY branding – including counseling, clearance, global trademark protection strategy.
  • Managed publishing company Hachette Book Group’s trademark portfolio including trademark clearance, prosecution, counseling and enforcement.

Finance > Structured finance: derivatives and structured products Tier 3

The derivatives practice at Haynes and Boone, L.L.P. is diverse, encompassing a wide variety of asset classes, including equity, FX and increasingly environmental, social and governance (ESG) investments. The group advises buy-side and end-user clients, including an impressive array of institutional investors. Areas of expertise include traditional and more exotic hedging and derivatives, project finance-related hedging agreements, over-the-counter and structured derivatives, as well as ISDA regulatory and prime brokerage advice. Contacts in the team include Houston-based Neal Kaminsky, who leads the practice group; Giorgio Bovenzi, who has built a strong global credit risk practice and is rated by clients for his 'solution-oriented' service; Matthew Frankle, a specialist in equity derivatives and margin loans; and Brian Sung, who maintains a very broad practice covering a variety of structured transactions for buy- and sell-side clients. Washington DC's Phil Lookadoo is an expert in energy and project finance-related derivatives and commodities issues. Named lawyers are based in New York unless stated otherwise.

Practice head(s):

Neal Kaminsky

Other key lawyers:

Giorgio Bovenzi; Craig Unterberg; Phil Lookadoo; LeAnn Chen; Matthew Frankle; Brian Sung; Tim Johnston; James Markus


‘The work we do with Haynes & Boone is focused around Giorgio Bovenzi’s cross-border insolvency and global credit practices. Giorgio is very solution oriented. His understanding of legal systems around the world enables him to distil immense amounts of information into a pragmatic solution.’

‘What makes this practice unique is that the team members succeed in combining legal knowledge with practical knowledge and that the leading lawyer, Giorgio Bovenzi, is able to reconcile Anglo-American legal concepts with continental European legal concepts in a practical manner.’

Industry focus > Energy litigation: oil and gas Tier 3

Haynes and Boone, L.L.P. is recognized for its experience litigating in state and federal courts, as well as its handling of domestic and international arbitration proceedings. The practice group represents key US oil and gas basins and has offices located near many of the major shale plays. Craig Stahl manages The Woodlands (Texas) office and has been involved in significant natural gas flaring, fracking, and environmental indemnities cases. Houston-based Michael Mazzone co-chairs the litigation group and represents energy companies in environmental contamination, indemnity and toxic tort cases. He is also experienced in construction litigation and arbitration and real estate disputes.

Practice head(s):

Craig Stahl; Michael Mazzone

Other key lawyers:

David Ammons; Jeffrey Keuhnle


‘Haynes and Boone’s energy litigation team provides unparalleled expertise and experience in oil & gas matters. Unlike many litigators today, they have actually tried cases and obtained defense verdicts. They do an excellent job of developing a successful strategy for high stakes, high exposure litigation.’

Key clients

Shell Oil Company

Newfield Exploration Company (now Ovintiv USA Inc.)

ConocoPhillips Company

Burlington Resources Oil & Gas Company, LP

Oasis Petroleum North America LLC

SWEPI d/b/a Shell Western E&P

Finley Resources, Inc.

FourPoint Energy, LLC

TETRA Technologies, Inc.

Work highlights

  • Successfully represented Shell Oil Company in a five-week jury trial of environmental contamination claims.
  • Representing Burlington Resources Oil & Gas Company, LP in a putative class action alleging late royalty payments by our producer client on thousands of leases in North Dakota.
  • Acting as lead counsel in two cases for Newfield Exploration Company (now Ovintiv USA Inc.): The first, a putative class action alleging improper post-production royalty deductions on royalty payments in Oklahoma pending in the United States District Court for the District of Colorado. The second, a matter in North Dakota in which the State of North Dakota claims that it was underpaid royalties on state oil and gas leases.

M&A/corporate and commercial > M&A: middle-market (sub-$500m) Tier 4

Haynes and Boone, L.L.P. handles a wide variety of M&A and related transactions, including spin-offs, divestitures, strategic alliance and distressed transactions, representing both buyers and sellers. Tom Harris heads the M&A practice group from Dallas.

Practice head(s):

Tom Harris

Other key lawyers:

Janice Sherry

Labor and employment > Employee benefits, executive compensation and retirement plans: transactional Tier 5

Haynes and Boone, L.L.P.'s employee benefits and executive compensation practice has been advising clients in the energy, healthcare, retail, financial services and food and beverages sectors on high-value acquisitions, restructurings, and benefit transfers. Recent work for the group includes advising hospitality company Landry's on the $745m sale of its online gaming subsidiary, Golden Nugget Online Gaming, to Landcadia Holdings II; practice head Susan Wetzel and associate Scott Thompson led on this matter from the Dallas office. Houston-based Jesse Gelsomini has expertise in incentive compensation and equity arrangements.

Practice head(s):

Susan Wetzel

Other key lawyers:

Key clients

Blucora, Inc.

CSW Industrial, Inc.

Enbridge, Inc.

VAALCO Energy, Inc.

HMS Holdings Corp.

Paycom Software, Inc.

Performance Food Group

Arcosa, Inc.

Tuesday Morning Corporation

Landry’s Inc.

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 U.S.-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.

Managing Partner Taylor Wilsontaylor.wilson@haynesboone.com214.651.5615
Administrative Partner - Austin Rob Lauerrob.lauer@haynesboone.com512.867.8505
Administrative Partner - Charlotte Todd Cubbagetodd.cubbage@haynesboone.com980.771.8250
Administrative Partner - Chicago Laura Beth Millerlaura.miller@haynesboone.com312.216.1625
Administrative Partner - Dallas Tom Harristom.harris@haynesboone.com214.651.5630
Administrative Partner - Denver Dan Malonedan.malone@haynesboone.com303.382.6218
Administrative Partner - Fort Worth Karen Precellakaren.precella@haynesboone.com817.347.6620
Administrative Partner - Houston Ricardo Garcia-Morenoricardo.garcia-moreno@haynesboone.com713.547.2208
Managing Partner - London William Cecilwilliam.cecil@haynesboone.com+44 (0)20 8734.2837
Administrative Partner - Mexico City Edgar Kleeedgar.klee@haynesboone.com+52.55.5249.1873
Administrative Partner - New York Craig Unterbergcraig.unterberg@haynesboone.com212.659.4987
Administrative Partner - Orange County Greg Michelsongreg.michelson@haynesboone.com949.202.3022
Administrative Partner - Palo Alto Gary Edwardsgary.edwards@haynesboone.com650.687.8842
Administrative Partner - Dallas-North Dustin Johnsondustin.johnson@haynesboone.com972.739.6969
Administrative Partner - San Antonio Diana Liebmanndiana.liebmann@haynesboone.com210.978.7418
Chief Representative and Administrative Partner, Shanghai Office Liza Markliza.mark@haynesboone.com+86.21.6062.6183
Administrative Partner - The Woodlands Craig Stahlcraig.stahl@haynesboone.com713.547.2304
Administrative Partner - Washington, D.C. Phil Lookadoophil.lookadoo@haynesboone.com202.654.4510
Administrative Partner - San Francisco Brian Kwokbrian.kwok@haynesboone.com415.293.8901
Giorgio Bovenzi photo Giorgio BovenziPartner
Matthew Frankle photo Matthew FrankleParnter
Erin Hennessy photo Erin HennessyPartner
Brian Sung photo Brian SungPartner
Craig Unterberg  photo Craig Unterberg PartnerAdministrative Partner – New York
Partners : 249
Other Lawyers : 341
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