Philip L. O'Neill


Senior trial lawyer and business law counselor. Practice focus is intellectual property law, primarily trademark, copyright, unfair competition and trade secrets matters. Three decades of private practice experience in Washington, D.C. representing governments, businesses, associations and nonprofits in a wide range of commercial law issues, including IP, antitrust and trade regulation, professional credentialing, contracts, business torts, corporate acquisitions, and corporate governance. Appeared as counsel of record in more than 500 proceedings before federal and state appellate and trial courts, administrative tribunals (including the U.S. Trademark Trial and Appeal Board) and arbitration panels throughout the U.S. Tried more than 50 civil cases to verdict or decision.

Representative IP Litigated Cases

Perfetti Van Melle USA v. Cadbury Adams USA, No. 2:10-cv-35, E.D. Ky (trademark injunction)
Agrizap, Inc. v. Woodstream Corp., No. 2:04-cv-03925, E.D. Pa. (trial; patent & tort)
Pep Boys Manny, Moe & Jack v. Goodyear Tire, No. 01-cv-05614, E.D. Pa. (trademark injunction)
Big O Tires, Inc. v. Bigfoot 4x4, Inc., No. 01-B-349, D. Colo. (trademark injunction)



Bar Admissions


Expert Witness