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.
William’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.
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.
Career Highlights
• Secured the world’s largest trademark jury verdict, $143 million
• Author of a leading intellectual property law treatise (see below)
• Successfully represented high-profile clients in major intellectual property cases
• 2025 AV Preeminent® Attorney, Martindale-Hubbell®: Recognized for achieving the highest possible peer review rating in legal ability and ethical standards.
Positions
• Laguna beach Cultural Arts Center, Board of advisors, 2023 - Present
Awards
• Marquis' Who's Who In the World, Who's Who in American Law, Who's Who in the West, and Who's Who in Finance & Industry
Publications
• Levin, William E., Trade Dress Protection, 2nd ed., Thomson Reuters, Westlaw, 1994–2022
• Numerous articles in the National Law Journal, Orange County Business Journal, and Trademark World
Associations
• American Bar Association
• International Trademark Association
• American Intellectual Property Law Association
• State Bar of California
