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William B. Adams

Quinn Emanuel Urquhart & Sullivan, LLP

United StatesIntellectual Property, Products Liability

About

Co-Chair of the firm's National Appellate Practice since 2005. Handles appeals in intellectual property, products liability, bankruptcy, insurance, environmental, administrative law, and constitutional law. Notable victories include Samsung Electronics Co. v. MPEG LA, L.L.C., Jackpocket, Inc. v. LottoMatrix N.Y. LLC, and Home Equity Mortgage Trust v. DLJ Mortgage Capital, Inc. Recognized as Litigator of the Week in January 2026 for vacating a $102 million arbitration award and previously for a Delaware Supreme Court victory.

Practice areas

Intellectual PropertyProducts LiabilityBankruptcyInsuranceEnvironmentalAdministrative LawConstitutional LawArbitrationAppellate Litigation

Office

Expertise

U.S. Courts of Appeals for the Second CircuitU.S. Courts of Appeals for the Ninth CircuitNew York Appellate Division, First DepartmentDelaware Supreme Court

Education

  • Cornell University (with honors)