Electrical Engineering and Computer Science, University of California, Berkeley, 1990


Vanderbilt University, 1994




U.S. Court of Appeals for the Federal Circuit

U.S. District Court for the Northern District of California

U.S. District Court for the Central District of California

U.S. District Court for the Southern District of California

U.S. District Court for the Eastern District of Texas

U.S. District Court for Delaware

U.S. Patent and Trademark Office


Taiwanese (Conversational)

Kai Tseng is the Chairman of TechKnowledge Law Group LLP. He was formerly a partner in Orrick, Herrington and Sutcliffe's Silicon Valley office and a member of the firm's Intellectual Property Group where he was the Director of Orrick's Asian Intellectual Property practice. Kai opened and was the managing partner of Orrick's Taipei office. Thereafter, he was a founding partner of Freitas Tseng & Kaufman LLP.

Kai focuses his practice on high technology patent infringement litigation, intellectual property counseling & licensing, and antitrust litigation. He has participated extensively in a variety of high-stakes patent trials in both District Court and before the U.S. International Trade Commission. In 2005, Kai was recognized as one of the top 20 California Lawyers under 40 and in 2006, he was selected by the Silicon Valley/San Jose Business Journal as one of the top 40 rising business professionals under 40 in Silicon Valley. Kai has also been recognized as a Northern California "Super Lawyer." He frequently lectures on a wide variety of topics in Intellectual Property and Antitrust Law.

Illustrative Professional Experience

Acer Inc. Kai has represented Acer for the past fourteen (14) years in a number of patent infringement disputes in the U.S. Kai was a member of the Acer trial teams in investigations brought by Hewlett Packard and Tessera, Inc. before the U.S. International Trade Commission and District Court litigations against Round Rock Research and St. Clair Intellectual Property Consultants. Additionally, Kai has actively participated in patent licensing negotiations on behalf of Acer.

Nanya Technology Corporation. Kai has represented Nanya for the past twelve (12) years in a number of patent infringement actions involving Nanya's DRAM products, including patent infringement actions against Renesas Electronics, Corp., Tessera, Inc., Elpida Memory, Inc. and Rambus, Inc. Additionally, Kai provides licensing and general intellectual property counseling for Nanya.

MiTAC International Corporation. Kai has represented MiTAC for the past ten (10) years in several patent litigations, including cases brought by Innovative Display Technologies, Visteon Global Technologies, and others. Additionally, Kai provides general intellectual property counseling for MiTAC.

Home Semiconductor, Inc. Kai currently represents Home Semiconductor in litigation to enforce Home Semiconductor's patents against various Samsung entities.

Beacon Navigation GmbH. Kai currently represents Beacon Navigation in litigation to enforce Beacon Navigation's patents against various automobile manufacturers.

Speeches & Programs

Kai frequently provides seminars and workshops in Asia on intellectual property matters related to patent litigation, patent enforcement strategies, strategic patent portfolio development, and licensing of international patent portfolios, as well as antitrust matters.