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William E. Levin

About

William E. Levin is a highly respected attorney and Partner at Omnus Law, specializing in intellectual property law with a focus on trademarks, trade dress, copyright, unfair competition, and false advertising. With over two decades of experience, William has built a distinguished career representing both Fortune 100 companies and small businesses. His clients span numerous industries, including entertainment, healthcare, technology, and consumer goods. William is known for his strategic approach to complex litigation and has led high-stakes cases resulting in substantial verdicts, including a landmark $143 million trademark jury award.

Williamโ€™s legal expertise goes beyond the courtroom; he is the author of Trade Dress Protection, a leading intellectual property treatise now in its second edition and published in 1994 by Thomson Reuters West. His extensive knowledge has earned him invitations to speak at major industry events and contribute to respected publications. In addition to his litigation practice, William has provided trademark prosecution services and represented clients before the Trademark Trial and Appeal Board, further solidifying his reputation as a leader in the field. Throughout his career, he has worked with numerous high-profile clients, including American Airlines, Coca-Cola, and Sony, among others.ย 

William is actively involved in the legal community, serving on several advisory boards and editorial committees for intellectual property law publications. His career has been marked by a dedication to protecting his clients’ intellectual property rights and delivering exceptional legal solutions.ย 

Career Highlights

  • Secured the worldโ€™s largest trademark jury verdict, $143 millionย 
  • Author of a leading intellectual property law treatiseย 
  • Successfully represented high-profile clients in major intellectual property casesย 
  • 2025 AV Preeminentยฎ Attorney, Martindale-Hubbellยฎ: Recognized for achieving the highest possible peer review rating in legal ability and ethical standards.

Associations

  • American Bar Associationย 
  • International Trademark Associationย 
  • American Intellectual Property Law Associationย 
  • State Bar of Californiaย 
  • Orange County Patent Law Associationย 

Publications

  • Levin, William E., Trade Dress Protection, 2nd ed., Thomson Reuters, Westlaw, 1994โ€“2022ย 
  • Numerous articles in the National Law Journal, Orange County Business Journal, and Trademark Worldย 

Practice Areas

Intellectual Property LawAI, Technology & CybersecurityCivil LitigationBanking & Finance LawHealthcare Law
Sub-practice areas
Trademark Law, Patent Law, Copyright Law, USPTO Appeals

Admitted Jurisdictions

  • California
  • United States Court of Appeals for the Ninth Circuit
  • United States Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office (USPTO)

Education

  • B.A. Political Science, Emory Universityย 
  • J.D., University of Miami School of Lawย 

Languages

  • English

Work With William

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