Best Lawyers in California, United States for Litigation - Patent
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Cities
James F. Valentine is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. James F., who practices law in Palo Alto, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James F. is held by other top lawyers in the same geographic and legal practice area.
Kenneth E. Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Kenneth E., 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 Kenneth E. is held by other top lawyers in the same geographic and legal practice area.
Ragesh K. Tangri is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Copyright Law, Litigation - Intellectual Property, Litigation - Patent, Patent Law and Trade Secrets Law. Ragesh K., who practices law in San Francisco, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ragesh K. is held by other top lawyers in the same geographic...
Susan M. Spaeth is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Susan M., who practices law in Menlo Park, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susan M. is held by other top lawyers in the same geographic and legal practice area.
Nicholas A. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Nicholas A., who practices law in San Francisco, California, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas A. is held by other top lawyers in the same geographic and legal practice area.
Adam Alper is a leading member of the intellectual property litigation group in Kirkland’s Bay Area office. Focusing primarily on patent and trade secret disputes, and predominantly representing clients in the semiconductor, telecommunications, computer hardware and pharmaceutical industries, Adam regularly litigates high-stakes competitor cases involving concurrent claims of patent, trade secret and copyright violations. These disputes often involve co-pending actions in US District Co...
Mr. Patiño is a partner with Cozen O'Connor and a member of the firm’s Intellectual Property Department. He represents companies in high-stakes commercial and intellectual property disputes. Mr. Patiño has argued before the courts of 20 different states and has particular experience with patent litigation-specific proceedings, including before the International Trade Commission, and as special intellectual property counsel in U.S. Bankruptcy Court. Among prominent represen...
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.
Joseph P. Reid is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Joseph P., who practices law in San Diego, California, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph P. is held by other top lawyers in the same geographic and legal practice area.
Erik Puknys’ career in intellectual property began more than 25 years ago, when he joined the U.S. Patent & Trademark Office as a patent examiner. Erik started his legal career at Finnegan’s Washington, D.C. office in 1994, and moved to California in 1997 to help open the firm’s Silicon Valley office. He has represented both plaintiffs and defendants in district courts around the United States, in the Court of Appeals for the Federal Circuit, and in the U.S. Supreme Cour...
David L. Alberti is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. David L., who practices law in Foster City, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David L. is held by other top lawyers in the same geographic and legal practice area.
Bhanu K. Sadasivan is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Bhanu K., who practices law in Menlo Park, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bhanu K. is held by other top lawyers in the same geographic and legal practice area.
Daralyn J. Durie is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Copyright Law, Litigation - Intellectual Property and Litigation - Patent. Daralyn J., who practices law in San Francisco, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daralyn J. is held by other top lawyers in the same geographic and legal practice area.
Larry Russ is a founding partner and co-head of the litigation department of Russ August & Kabat. As an active trial attorney, Mr. Russ has focused on trademark, copyright, patent, business torts, trade regulation and advertising law and complex litigation. Mr. Russ has also worked extensively on antitrust and unfair competition matters. Directly after being admitted to the California Bar in 1978, Mr. Russ launched his career by successfully challenging Levi-Strauss & Co’s resal...
Christopher Kao is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Christopher, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.