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David Trossen

David Trossen is a partner in our San Francisco office.  His focus is on patent counseling and prosecution across a variety of electronics-related technologies, with an emphasis on integrated circuits and semiconductors.  His areas of expertise include radio frequency electronics, analog circuits, sensors, robotics, and all aspects of semiconductor chip design and packaging.  Mr. Trossen also has experience with analysis of patent portfolios for mergers and acquisitions, preparation of non-infringement and invalidity opinions, and litigation support.

Prior to joining the firm, Mr. Trossen spent two years designing analog circuits and two years developing field programmable gate arrays (FPGAs).  He is an inventor on five patents, including U.S. Patent Nos. 7,889,530, 7,885,103, and 7,557,605, relating to content-addressable memories, carbon nanotube MEMS devices, and heterogeneous configurable ICs, respectively.

David Trossen joined the firm in 2009.

University of California – Berkeley – School of Law (CAL), J.D., American Jurisprudence Award – Introduction to IP I: Patent & Copyright, American Jurisprudence Award – Introduction to IP II: Trademark & State Protection, BCLT Law & Technology Certificate
Stanford University, M.S., Electrical Engineering, Specialization in Integrated Circuits & Systems, Advisor Thomas Lee
University of California – Los Angeles (UCLA), B.S., Electrical Engineering, Dean’s List
State Bar of California
U.S. Patent and Trademark Office
Communications Technology

Cellular Networking & Communications


Wireless Local Area Networks

Electrical, Semiconductor & Computer Technology

Electronics & Semiconductors

Software & IT

Medical Devices & Procedures


Due Diligence
Global Portfolio Management
Infringement Risk 
IP Strategy
Patent Strategy & Prosecution
Tech Transactions
U.S. Patent Prosecution

Named “Electronic Patents Attorney of the Year in California” in Corporate INTL Global Awards in 2019.

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