William Shaffer

Kilpatrick Townsend & Stockton LLP 

William L. Shaffer focuses his practice on patent prosecution and counseling, patent portfolio building/management, patent analysis and post-grant patent procedures, including reexamination and reissue proceedings. He has been the lead or co-lead attorney for a dozen reexaminations, including both inter partes and ex partematters, many of which involved patents in litigation, representing both patent owners and challengers.

Mr. Shaffer has assisted patent litigation efforts in jurisdictions including the Northern District of California, the Eastern District of Texas, the Eastern District of Virginia and the International Trade Commission. He has provided in depth analysis of individual patents and patent portfolios in connection with venture capital investments and corporate acquisitions and advised prominent venture capital backed start-ups. Specific technologies Mr. Shaffer has experience with include, among others, thin film processing, semiconductor manufacturing equipment, photovoltaic systems and films, chip-level packaging, computer generated imagery (CGI) animation, computer architecture, software- and Internet-based technologies and consumer products.

Prior to joining the legal profession, Mr. Shaffer was a software engineer for GTE Government Systems Corporation.

Mr. Shaffer was recognized as a Northern California “Super Lawyer” in the area of Intellectual Property by Super Lawyers magazine (2011-2018). Mr. Shaffer was recommended by Legal 500 US for Patent Prosecution (2012-2017). He was named an “IP Star” by Managing Intellectual Property magazine (2013-2018).

Mr. Shaffer was recognized as a top patent practitioner by IAM Patent 1000 – The World’s Leading Patent Practitioners (2013-2017). He was named by Legal Media Group in its 2013 Guide to the World’s Leading Patent Practitioners. Mr. Shaffer was listed as “Best of the Bar” in 2014 by the San Diego Business Journal.


  • Lead counsel successfully defended multiple reexaminations on a family of computer patents with concurrent litigation, enabling over $100 million in licensing revenue for our client.


  • Southern Methodist University, J.D. (1992) Thompson Scholar, The International Lawyer, Articles Editor
  • Vanderbilt University, B.S., Electrical Engineering and Computer Science (1988)


  • California (1992)

Court Admissions:

  • U.S. Patent and Trademark Office (1993)


Rate : $$$

What types of cases Attorney William Shaffer & Kilpatrick Townsend & Stockton LLP  can handle?
Kilpatrick Townsend & Stockton LLP  can handle cases related to laws concerning Litigation, Venture capital, Antitrust & Trade, Intellectual Property, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Kilpatrick Townsend & Stockton LLP  located?
Kilpatrick Townsend & Stockton LLP  is located at 1080 Marsh Rd, Menlo Park, CA 94025, USA. You can reach out to Kilpatrick Townsend & Stockton LLP  using their phone line 650.324.6368. You can also check their website kilpatricktownsend.com or email them at [email protected].
How much would it cost to hire Kilpatrick Townsend & Stockton LLP ?
William Shaffer 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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Kilpatrick Townsend & Stockton LLP 
1080 Marsh Rd, Menlo Park, CA 94025, USA
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