Best Lawyers in California, United States for Intellectual Property Law

Michael Sweeney is counsel in the Technology Transactions and Licensing Group. He advises life science companies, investors and other financial institutions on complex corporate transactional matters, with a specific focus on the biopharmaceutical industry. Mr. Sweeney represents clients in drafting and negotiating commercial agreements, including license, research and collaboration, manufacturing, co-commercialization and co-promotion, royalty purchase and sale, services, distribution, clini...

Michael J. Worth is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Intellectual Property Law. Michael J., who practices law in Los Angeles, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Kamilah Alexander Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Kamilah, who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kamilah is held by other top lawyers in the same geographic and legal practice area.

Jeff Sheriff is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Jeff, who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeff is held by other top lawyers in the same geographic and legal practice area.

Kyle Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Kyle, who practices law in Los Angeles, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kyle is held by other top lawyers in the same geographic and legal practice area.

Ashlee E. Sherman has experience across multiple phases of litigation, including invalidity and non-infringement analysis and defense, claim construction, drafting complex motions, assisting technical experts with reports, and supporting various pretrial matters. She has also been involved in a Section 337 Investigation before the U.S. International Trade Commission. Ashlee is a graduate of the University of Texas School of Law, where she served as an editor of the Texas Intellectual Property...

John Matthew Zigmant is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law. John Matthew, who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John Matthew is held by other top lawyers in the same geographic and legal practice area.

James Pickens is a partner at Russ August & Kabat. His practice focuses on high technology patent and intellectual property litigation. Mr. Pickens excels at trial advocacy. Mr. Pickens has performed the direct and rebuttal examinations for the expert witnesses on patent infringement in three jury trials. Each jury returned a verdict of infringement, in favor of RAK’s clients: In 2016, Mr. Pickens assisted the RAK team in obtaining a jury verdict of willful patent infringement, repr...

Vanessa Bell is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law. Vanessa, who practices law in Walnut Creek, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vanessa is held by other top lawyers in the same geographic and legal practice area.

Yifan Mao is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Yifan, who practices law in Menlo Park, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yifan is held by other top lawyers in the same geographic and legal practice area.

Steven Moseley is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation - Intellectual Property. Steven, who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven is held by other top lawyers in the same geographic and legal practice area.

Noorossadat Torabi is a top attorney recognized by Best Lawyers in the practice area(s) of Life Sciences Practice and Patent Law. Noorossadat, who practices law in San Francisco, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Noorossadat is held by other top lawyers in the same geographic and legal practice area.

A native of L.A. and being a musician herself, Amanda really understands her clients’ needs. She is well-suited to advise and represent them in working to maintain their rights and to obtain the best possible outcomes in the course of various transactions. On a day-to-day basis, Amanda manages both clients’ needs and their related projects – taking care of the particulars from intake to closure on virtually all fronts. She helps her clients assess the risks and rewards of po...

Lindsey Shi is an intellectual property litigation partner in the Los Angeles of Kirkland & Ellis LLP. Lindsey’s practice primarily focuses on patent infringement and trade secret misappropriation litigation. Lindsey has significant experience in key areas of intellectual property litigation, including fact and expert discovery, prior art and claim construction analysis, case-dispositive motion practice, and trial and witness preparation. Lindsey’s clients cover a wide range o...

Taylor Osher is an Associate at the Firm. Taylor’s practice focuses on matters relating to intellectual property and privacy. Prior to joining the firm, Taylor worked as both a contacts and compliance analyst and a law clerk. In these roles, Taylor drafted legal documents, assisted in contract revisions and negotiations, completed legal research for privacy, trademark, contract, and tort law, and performed trademark registration. Taylor earned her B.A. from the University of Southern Ca...