William Lambert

Sheppard, Mullin, Richter & Hampton LLP

William R. Lambert is a partner in the Intellectual Property Practice Group in the firm’s Palo Alto office. Dr. Lambert is a Partner in the Intellectual Property Group in Sheppard Mullin’s Silicon Valley office.

He is a registered patent attorney who focuses his practice on patent prosecution and client counseling including the validity, infringement, and freedom-to-operate opinions. He has expertise in the  chemical, pharmaceutical, biomedical, material science, polymer science, electronics, photonics, optoelectronics, semiconductor and alternative energy industries, working with clients ranging from start-ups to Fortune 100 companies

Dr. Lambert has practiced patent law for 13 years in Silicon Valley.  He has also worked as  patent counsel for a Bay Area pharmaceutical start-up company, co-founded a start-up  electronic packaging company, and was a member of the technical staff with AT&T/Lucent Technologies Bell Laboratories at Murry Hill for 17 years.


  • J.D., University of New Hampshire
  • Ph.D., Chemical Physics, California Institute of Technology
  • B.A., Biochemistry, University of California, Berkeley

Admissions :

  • California
  • U.S. Court of Appeals for Veterans Claims
  • U.S. Patent and Trademark Office


  • American Association for the Advancement of Science, Member
  • American Bar Association, Member
  • American Chemical Society, Member
  • Silicon Valley Intellectual Property law Association, Member


Rate : $$$

What types of cases Attorney William Lambert & Sheppard, Mullin, Richter & Hampton LLP can handle?
Sheppard, Mullin, Richter & Hampton LLP can handle cases related to laws concerning Intellectual Property. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Sheppard, Mullin, Richter & Hampton LLP located?
Sheppard, Mullin, Richter & Hampton LLP is located at 379 Lytton Ave, Palo Alto, CA 94301, USA. You can reach out to Sheppard, Mullin, Richter & Hampton LLP using their phone line 650.815.2644. You can also check their website sheppardmullin.com or email them at [email protected].
How much would it cost to hire Sheppard, Mullin, Richter & Hampton LLP?
William Lambert lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Sheppard, Mullin, Richter & Hampton LLP
Lytton Avenue 379
Palo Alto 94301 CA US
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