- Address:
650 California Street
Ninth Floor
San Francisco, CA 94108
USA
- Email:
dmcmahon@bargerwolen.com - Phone:
(415) 743-3706 - Download Vcard
Professional Notes & Events

David J. McMahon
David McMahon is the Managing Partner in Barger & Wolen LLP’s San Francisco office. His practice focuses on large complex litigation. He has worked on numerous high-profile litigation matters involving life settlements, multi-million dollar insurance coverage disputes relating to intellectual property matters, wage and hour litigation, environmental claims, directors and officers liability insurance, maritime matters, and cases involving alleged insurer bad faith.
His expertise also includes appellate litigation, reinsurance litigation and counseling clients on attorney fee disputes and ethical issues relating to the practice of law.
Mr. McMahon has extensive experience in matters relating to computer-related discovery, large case document management, and the efficient use of technology to streamline the handling of large cases.
Education
- Golden Gate University, J.D., with highest honors, 1985
- University of Rhode Island, M.S. 1982
- University of Rhode Island, B.S., 1979
Articles & Publications
- Vessel Financing: California Law and The Ship Mortgage Act as Recodified, 2 U.S.F. Maritime Law Journal 1 (1998)
- An Analysis of In re Mexico City Aircrash, 708 F.2d 4000 (9th Cir. 1983), Ninth Circuit Survey, 14 Golden Gate U.L. Rev. 161 (1984)
- Procedures for Conducting Scientific Research in Foreign Waters, 8 Marine Affairs Journal 150 (1983)
Professional Memberships
- The State Bar of California
- New York State Bar Association
- Hawaii State Bar Association
- California Bar Association (Section on Environmental Law and Practice)