Since 1975, Ken Allen has served clients worldwide from the legacy Townsend firm’s Silicon Valley offices, focusing his practice on high technology patent prosecution and counseling for entrepreneurs and emerging companies. For many years Mr. Allen chaired Townsend’s partner nominating committee. Mr. Allen has represented U.S. and international clients in procuring hundreds of patents in telecommunications, networking, MEMS, wireless systems, miniature test systems, satellite communication and satellite control systems, nonlinear optics, lasers, medical instrumentation, medical devices, speech recognition, character recognition, artificial intelligence, expert systems, computer architecture, PV solar, radar, microwave systems, digital signal processing and software based systems and methodologies, as well as fundamental inventions of applied physics. Mr. Allen’s articles on technology and patent law have been in newspapers and professional magazines, including IEEE Spectrum, IEEE Transactions on Professional Communications and Intellectual Property Today.

Mr. Allen is internationally known and has been recognized numerous times in Legal Media Group’s Guide to the World's Leading Patent Law Practitioners; as a Northern California "Super Lawyer" in Intellectual Property by Super Lawyers magazine; and as an "IP Star" by Managing Intellectual Property magazine published in the UK. Mr. Allen has held Martindale-Hubbell's AV® rating since 1986.

Mr. Allen is currently doing volunteer work in St. Petersburg, Russia.

*CV, BV, and AV are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedure's standards and policies.


Represents university spin-off that builds the world's most efficient solar cells.

Secured first patents for consortium of broadcasters for in-band, on-channel digital radio, aka HD radio.

Secured basic patents for a revolutionary computer architecture licensed to a major semiconductor maker.

Represents company with one of the world’s fastest whole genome sequencing technologies.

Secured patents for prominent physicist based on application of his breakthrough in laser technology.

Built numerous patent portfolios for networking, wireless and telecommunications companies.


Northeastern University School of Law, J.D. (1975)

Harvard Law School, Special Studies in Patent Law (1974)

Massachusetts Institute of Technology, S.M., Electrical Engineering (1972)

Brigham Young University, B.S., Electrical Engineering (1971) University Scholar


California (1975)

Court Admissions

U.S. Patent and Trademark Office (1974)

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

U.S. Court of Appeals for the Ninth Circuit

U.S. Court of Appeals for the Federal Circuit

U.S. Supreme Court (1979)

Professional & Community Activities

Institute of Electrical and Electronics Engineers, Life Member

J. Reuben Clark Law Society-Silicon Valley Chapter, Board Member

Adobe Meadow Neighborhood Association, President

Cubberley Community Advisory Committee, Palo Alto (2012-2013)

Cable Co-op of Palo Alto, Corporate Secretary & Elected Board Member

Mid-Peninsula Community Media Center, Community Television Producer (1991-Present)

Silicon Valley Intellectual Property Law Association, Past President (1985-1986)

LDS Senior Missionary Service, CES Outreach Initiative, Germany Hamburg Mission (2005-2006)


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