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Walter C. Pfeffer

Attorney Profile

Top Rated Business Litigation Attorney in San Francisco, CA

Singer Cashman LLP
505 Montgomery St, Suite 1100
San Francisco, CA 94111
Phone: 917-399-8484
Fax: 415-500-6080
Selected to Rising Stars: 2015 - 2022
Licensed in California Since: 2010
Practice Areas: Business Litigation, Intellectual Property Litigation
Attorney Profile

Walter Pfeffer is an attorney with Singer Cashman LLP law firm in San Francisco, California. A top-rated trial lawyer with more than 11 years of total legal experience, Mr. Pfeffer provides invaluable counsel and support to a broad range of commercial clients and others across his region who have legal needs involving any of the following:

· Trade secrets

· Breaches of contract

· Trademark infringements

· Business disputes

Over the course of his legal career, Mr. Pfeffer has represented a variety of clients, including financial institutions, startups, tech companies, retail stores, food producers, construction companies and more. At all turns, he delivers the highly personalized counsel his clients need to make the best-informed decisions and protect their rights as efficiently and cost-effectively as possible.

Prior to joining Singer Cashman LLP, Mr. Pfeffer worked on FHFA mortgage-backed securities litigations and the Madoff litigations as well as many other high-profile, complex litigations. In honor of his outstanding professionalism and service, he has earned consistent recognition as being among the top 2.5% of lawyers in his region, and he has received numerous testimonials and referrals from his satisfied clients.

A 2006 cum laude graduate of Southern Methodist University with degrees in political science and English, Mr. Pfeffer attended New York University School of Law, where he obtained his Juris Doctor in 2009. He is admitted to practice in California and New York as well as before the U.S. District Courts for the Southern and Eastern Districts of New York and the Northern, Central and Southern Districts of California.

Practice Areas
Business Litigation, Intellectual Property Litigation
Focus Areas

Trade Secret


8 Years Rising Stars
  • Rising Stars: 2015 - 2022

About Walter C. Pfeffer

First Admitted: 2010, California

Professional Webpage:


  • Kingate Global Fund Ltd. v. Deutsche Bank Securities Inc. (S.D.N.Y.)
  • FHFA v. UBS Americas, Inc., et al. (S.D.N.Y.)
  • Ether Group SAL v. Gennum Corp. (Contra Costa Superior)
  • Citigroup Global Financial Markets, Inc. v. Dunn (FINRA Arbitration)
  • 24/7 Customer, Inc. v. 24-7 Intouch (N.D. Cal.)
  • Intrigo Systems, Inc. v. Semtech Corp. (Alameda Superior)
  • HSH Nordbank AG v. UBS AG (N.Y. Supreme)
  • Hassas v. Conrad (L.A. Superior)
  • GMYL, L.P. v. Coppola (N.D. Cal.)
  • Peregrine Semiconductor Corp. v. Benton (S.D. Cal.)

Bar/Professional Activity

  • California
  • Southern District of California
  • Central District of California
  • Northern District of California
  • Eastern District of New York
  • Southern District of New York
  • New York

Educational Background

  • Southern Methodist University, B.A., Political Science and English, cum laude, 2006


  • Rising Star, Northern California for Business Litigation, 2015 - 2020, Super Lawyers Magazine
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Office Location for Walter C. Pfeffer

505 Montgomery St
Suite 1100
San Francisco, CA 94111

Phone: 917-399-8484

Fax: 415-500-6080

Last Updated: 6/3/2022

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