Antitrust lawyers
Browse antitrust lawyers across jurisdictions worldwide. Review each profile for practice areas, admissions, languages and contact details, then reach out directly.
947 lawyers listed
Verónica Sattler
Partner
Rodrigo
Victor Domen
Partner
DLA Piper LLP (US)
Victor Levy
Partner
Hogan Lovells (Paris) LLP
Vladimir Sokov
Vladimir specializes in corporate, M&A, commercial, antitrust and real estate. During his professional career of over 20 years Vladimir has handled major M&A projects and has successfully participated in numerous corporate litigations as instructed by well-known transnational and Russian companies. He has extensive experience in life sciences, but also advises clients in natural resources, retail, automotive, real estate development and other sectors. Vladimir was highly ranked in corporate/M&A, competition law and life sciences in Russia by Chambers Europe, The Legal 500 and IFLR 1000. He has authored numerous articles on legal issues, participated in legislative drafting projects and is a member of the Russian Bar Association.
Dentons
Walter (Casey) Berger
Casey Berger represents clients in complex commercial and securities litigation, with a particular focus on energy-related disputes and US and international arbitration. Casey draws on decades of trial and appellate experience to advise corporations, private equity sponsors, financial institutions, and executives on their highest-stakes disputes involving: Securities class actions and derivative matters Merger and corporate governance litigation Antitrust and consumer fraud class actions Breach-of-contract disputes International and US arbitration proceedings Casey has resolved billions of dollars in claims and disputes for his clients across state and federal courts, as well as arbitration proceedings in the US and abroad. He regularly defends corporations, officers, and directors in private securities litigation, enforcement proceedings, and shareholder actions, and represents major corporations in complex commercial arbitration. A trusted strategic advisor, Casey brings a pragmatic, results-oriented approach to clients’ most critical disputes, managing matters through all phases of trial and appellate practice. Before joining Latham, Casey was a partner and chair of the litigation practice at another global law firm.
Latham & Watkins
Walter Brown
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Paul, Weiss, Rifkind, Wharton & Garrison LLP
Wataru Kamoto
Partner
Hogan Lovells Horitsu Jimusho Gaikokuho Kyodo Jigyo
Wendy Johnson
RMP LLP
Wes Earnhardt
Wes Earnhardt is a first-chair trial and appellate lawyer with significant experience in antitrust, general commercial, intellectual property, securities, and financial restructuring and reorganization matters. He is described as a “careful and thorough” litigator and praised for having a “gift for communicating complicated concepts in an accessible way.” (Chambers USA) Named a “Litigation Trailblazer” by The National Law Journal and a “Litigation Star” by Benchmark Litigation, Mr. Earnhardt regularly represents clients in their most business‑critical disputes.
Cravath, Swaine & Moore LLP
Whitney O’Byrne
Whitney R. O'Byrne | Morrison Foerster Whitney O’Byrne is a trial lawyer with a wide range of experience litigating complex civil, regulatory, and criminal matters. She represents clients, large and small, in disputes involving intellectual property, legal malpractice, antitrust, consumer class actions, privacy class actions, and other commercial litigation in state and federal court. Whitney has also represented individual and institutional clients in investigations conducted by the Department of Justice, the Securities and Exchange Commission, the Federal Reserve, and the Commodity Futures Trading Commission. Whitney’s substantial trial experience includes a multi-district antitrust case in the Southern District of New York, a patent trial in the Northern District of California, criminal trials in California and New York, and multiple JAMS and AAA arbitrations. Whitney is also a NITA trial skills instructor and has taught trial advocacy at multiple levels for over 10 years. Whitney most recently practiced at a premier litigation boutique, where she worked on trade secrets, legal malpractice, and class action litigations for companies ranging from early-stage startups to established technology companies. Whitney also served as a law clerk in the Eastern District of New York. Whitney was recognized as a 2021 Rising Star by Northern California Super Lawyers and has been published by Bloomberg Law. She has served on the Diversity and Inclusion Committee of the Barristers Club of the Bar Association of San Francisco and was a member of the Edward J. McFetridge Inn of Court. Whitney graduated from Columbia Law School, where she served as an Articles Editor of the Columbia Human Rights Law Review and was a Harlan Fiske Stone Scholar. She earned a Bachelor of Arts summa cum laude from Washington University in St. Louis. Whitney is admitted to the State Bars of New York and California.
Morrison Foerster
William (Bill) Rinner
William (Bill) Rinner, former Deputy Assistant Attorney General and Head of Merger Enforcement for the US Department of Justice’s (DOJ) Antitrust Division, focuses his practice on securing merger clearances, navigating clients through government investigations, and defending clients from litigation. Bill has experience leading clients through their most complex antitrust matters, including securing merger approval for complex transactions before the DOJ and Federal Trade Commission and defending companies in a wide range of enforcement actions, including both conduct and merger investigations. Bill also has a background in antitrust litigation. He has handled a broad range of litigation-related matters, including class actions, merger enforcement actions, and arbitrations. Bill’s experience with both plaintiffs and defendants affords him a unique perspective that allows him to thoughtfully craft persuasive strategies for judges and juries alike. Bill’s history with the DOJ’s Antitrust Division includes multiple leadership roles. As Deputy Assistant Attorney General, he oversaw the mergers & acquisitions docket and civil merger enforcement program. He played a key role in authorizing and managing new investigations, recommending enforcement decisions, and negotiating settlements. Earlier in his career, he also served as Counsel to the Assistant Attorney General, and subsequently as Chief of Staff and Senior Counsel. Prior to his Deputy Assistant Attorney General role at the DOJ, he worked for a leading global alternative asset manager, overseeing all private equity competition and foreign direct investment processes. His experience working in private capital allows him to seamlessly navigate nuanced issues for private equity clients, their portfolio companies, and sophisticated corporates. A recognized thought leader, Bill is a frequent speaker at conferences and on panels on topics related to antitrust enforcement, media and telecommunications, private equity, and intellectual property. After law school, he clerked for Hon. Richard Posner of the Seventh Circuit Court of Appeals.
Latham & Watkins
William Berkowitz
William Berkowitz is a partner in the Litigation Department of Seyfarth Shaw LLP. His practice focuses on antitrust, franchise, distribution, mergers and acquisitions, and other commercial litigation. Mr. Berkowitz has tried cases in state and federal courts and administrative agencies in Massachusetts, New York, New Hampshire, Connecticut, New Jersey, Pennsylvania and Maryland. He has argued appeals in the New York, New Jersey, Massachusetts and Delaware courts of appeal and before the United States Courts of Appeal for the First Circuit (three times), Third Circuit, Fourth Circuit and Eleventh Circuit. He has also represented clients before the Department of Justice, Federal Trade Commission, the Federal Reserve Board and a number of state agencies. Mr. Berkowitz is recognized by Chambers USA as a leading lawyer in antitrust. He is also ranked by Best Lawyers as leading lawyer in franchise law and by Benchmark Litigation as a Massachusetts litigation “star.” Beyond litigation, Mr. Berkowitz routinely consults with clients on mergers and acquisitions regarding compliance with federal and state antitrust laws, state franchise laws, the Hart-Scott-Rodino Act, and foreign premerger notification laws.
Seyfarth Shaw LLP
William J. Kolasky
Partner in the Washington, D.C. Office
Hughes Hubbard & Reed LLP
William Lavery
Clifford Chance
William Michael
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Paul, Weiss, Rifkind, Wharton & Garrison LLP
William R. Sears
Quinn Emanuel Urquhart & Sullivan, LLP
William R. Sherman
Partner
Latham & Watkins
William Stallings
Partner
Mayer Brown
Winn Allen
Winn Allen is a litigation partner in Kirkland & Ellis LLP’s Washington, D.C., office. He has extensive experience litigating complex commercial cases in a broad array of subject areas, including antitrust, products liability, class-action defense, defamation, consumer fraud and contractual disputes. Winn has handled numerous, high-profile litigation matters for clients such as Meta, UnitedHealth Group, Carrier, Fox Corporation, Caterpillar, Accenture, Honeywell and Wyndham Hotels.
Kirkland & Ellis LLP
Wojciech Podlasin
Counsel, Competition
Addleshaw Goddard Wisniewski Dzianachowski Schulz i Wspólnicy sp.k.
Xianming Tong
Partner of Hui Ye Law Firm
Hui Ye Law Firm
Xiaofeng Cheng
Partner
Jingtian & Gongcheng
Yehudah Buchweitz
Partner
Weil, Gotshal & Manges LLP
Yichen Wu
Jones Day