William Lambert is a registered patent attorney who focuses his practice on patent prosecution and client counseling. He has experience with a broad range of industries, including chemical, pharmaceutical, biomedical, mechanical and electrical.

Dr. Lambert’s broad technical background and over 20 years of research and development experience enables him to work with a wide range of technologies, including  pharmaceuticals, biotechnology, medical devices, polymers, physical chemistry, semiconductor and optoelectronic materials, electronic and photonic devices and fabrication, electronic packaging, telecommunications and manufacturing.

Prior to joining the firm, Dr. Lambert worked as an associate at a Palo Alto law firm where his practice focused on patent prosecution and client counseling including the preparation of validity, infringement and freedom-to-operate opinions. He also worked as patent counsel for a Bay Area pharmaceutical start-up company, where he was responsible for the preparation and prosecution of patents related to small molecules, formulations and medical uses. Dr. Lambert is a co-founder of a start-up electronic packaging company, a named inventor on 11 patents, and an author of more than 50 scientific articles in peer-reviewed journals. He served as a member of the technical staff in the physical science and materials research division of Bell Laboratories, Lucent Technologies/AT&T for 17 years.

Professional & Community Activities

American Association for the Advancement of Science, Member

American Bar Association, Member

American Chemical Society, Member

American Intellectual Property Law Association, Member

Silicon Valley Intellectual Property law Association, Member


  • University of New Hampshire School of Law (formerly Franklin Pierce Law Center), J.D. (2002)
  • California Institute of Technology, Ph.D., Physics (1983)
  • University of California, Berkeley, B.A., Biochemistry (1973)

Bar Admissions

  • California (2002)


  • United States Patent and Trademark Office (2003)
  • U.S. Court of Appeals for Veterans Claims (2011)

Who We Are

1080 Marsh Road
Menlo Park, CA, 94025
t +1 650.324.6371
f +1 650.618.1933