Best Lawyers in California, United States for Intellectual Property Law

Elizabeth Day is a trial attorney with Bunsow De Mory LLP in Redwood City, California . Her practice focuses on complex intellectual property and patent disputes , representing clients in federal district courts throughout the United States and before the International Trade Commission. Her work centers on matters involving Litigation - Intellectual Property, Litigation - Patent, and Patent Law. For nearly three decades, Elizabeth has handled high‑stakes technology disputes involving a wide r...

Over more than 35 years of practice, David Halberstadter, the firm's deputy general counsel, has established a reputation among leading entertainment companies as a no-nonsense advisor and talented litigator. When other options fail, he aggressively pursues and defends lawsuits, with a focus on intellectual property-related disputes. Across all his work, clients value David's clear thinking, strategic wisdom and practical business sense. David represents motion picture studios, production com...

Ellie Heisler, Entertainment group lead, provides advice to individuals and companies around the world on brand building, licensing, intellectual property protection, and operations. Ellie works with traditional entertainment clients on their entertainment career and on diversifying their revenue streams. She is well versed in FTC advertising regulations and is regularly invited to speak on the topic and train in-house counsel and marketing executives. Additionally, as an entrepreneur in the ...

James R. Batchelder is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. James R., who practices law in Palo Alto, California, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

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

Darryl Woo is a veteran trial lawyer who has successfully tried numerous cases to verdict, and concentrates his practice on patent litigation and other complex technology litigation, principally in the areas of semiconductors, information technology, life sciences and biotechnology. He has appeared as lead counsel in patent litigation across the country, including the ITC, dealing with technologies ranging from software to semiconductor fab equipment, materials chemistry, voice over IP, fiber...

Patricia Millett is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Copyright Law. Patricia, who practices law in Los Angeles, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia is held by other top lawyers in the same geographic and legal practice area.

Matthew C. Bernstein is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property, Litigation - Patent and Patent Law. Matthew C., who practices law in San Diego, California, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew C. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Wise is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice, Litigation - Intellectual Property and Patent Law. Michael J., who practices law in Los Angeles, California, has been recognized since 2016. 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.

Jeff regularly litigates claims for copyright and trademark infringement, unfair competition, false advertising and related claims under both federal and state laws. He also has significant experience handling Internet-related intellectual property issues, such as domain name registration and dispute resolution, and the protection and enforcement of copyrights and trademarks on the Internet. In addition, Jeff extensively counsels and represents clients on the selection, clearance and registra...

Brian M. Kramer is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. Brian M., who practices law in San Diego, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian M. is held by other top lawyers in the same geographic and legal practice area.

Melanie Howard’s practice focuses on the acquisition, protection, licensing, exploitation and sale of intangible assets for major brands and individual talent. Known for her business-minded approach, she represents clients across a variety of industries, including fashion and luxury retail, esports, automotive, technology, entertainment and media, and financial. Clients regularly turn to Melanie for strategic brand protection guidance and counsel on data privacy matters in the context o...

Joseph C. Gratz is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property and Litigation - Patent. Joseph C., who practices law in San Francisco, California, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph C. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Shuster is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Patent Law. Michael J., who practices law in San Francisco, California, has been recognized since 2021. 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.

Diana Torres is an intellectual property and commercial litigation partner in Kirkland's Los Angeles and Bay Area offices. Diana focuses her practice on false advertising, unfair competition, trademark, copyright, and trade secrets matters, and has handled many high-profile matters for a wide variety of clients, including consumer product manufacturers, fitness service providers, entertainment and media companies, and Internet service providers. Diana also advises clients on compliance and co...

William J. Voller is an intellectual property attorney focusing on patent litigation and counseling. He has successfully represented patent owners and accused infringers in federal district court and the U.S. International Trade Commission through all stages of litigation, including trial. William has also successfully represented parties on appeal at the U.S. Court of Appeals for the Federal Circuit and counseled clients regarding Covered Business Method patent proceedings before the U.S. Pa...