Sean T Prosser

Sean Prosser defends clients facing investigations and enforcement actions by the U.S. Securities and Exchange Commission (SEC), U.S. Department of Justice (DOJ), including FBI and Grand Jury proceedings, and other government agencies. He also defends companies and their executives in shareholder litigation. With offices in San Diego and Los Angeles, Sean leads Mintz Levin’s California Securities Litigation practice. His clients include public and private companies, officers and directors, board committees, broker-dealers, banks, investment advisors, hedge funds, CPAs, individual stock traders and public officials. Sean regularly represents clients before the following agencies and regulators: U.S. Securities and Exchange Commission (SEC); U.S. Department of Justice (DOJ); Financial Industry Regulatory Authority (FINRA); NYSE; NASDAQ and other stock exchanges; California Department of Corporations; U.S. Department of the Treasury, including Financial Crimes Enforcement Network (FinCEN) and Office of Foreign Assets Control (OFAC); Public Company Accounting Oversight Board (PCAOB); and Internal Revenue Service (IRS).

New York Law School

J.D. (1992) | Law

1989 - 1992

University of Pennsylvania

B.A. (1986) | English

1982 - 1986

Activities: Varsity Football

Member

Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.

2019 - Current

Partner

Perkins Coie LLP

2014 - Current

Partner

Morrison & Foerster LLP

2005 - 2014

Principal

Fish & Richardson LLP

2003 - 2005

Associate

Brobeck, Phleger & Harrison

1996 - 2002

Associate

Gilchrist & Rutter, P.C.

1994 - 1996

Attorney, Office of Enforcement, Los Angeles, CA

U.S. Securities and Exchange Commission (SEC)

1992 - 1994

Law Clerk, Office of Broker-Dealer Enforcement, New York, NY

U.S. Securities and Exchange Commission (SEC)

1990 - 1992

San Diego SuperLawyer (2010-2019)

Superlawyers

2019

Best Lawyer (2010-2019)

Best Lawyers in America

2019

Recognized by Best Lawyers in America for Securities Litigation, Mergers & Acquisitions Litigation, SEC Enforcement Litigation, and Corporate Compliance & Corporate Governance Law, 2010 - 2017

“Lawyer of the Year,” Securities Litigation

Best Lawyers in America

2018

Lawyer of the Year, Corporate Governance

Best Lawyers of America

2016

Recommended for Merger Litigation (2012 - 2014)

Legal 500 (US)

2014

State Bar of California  # 163903

Member

Current

Association of SEC Alumni

Member

Current

California

9th Circuit

11th Circuit

• Free Consultation
  I will provide a free telephone consultation to determine if we are the right attorneys to handle you matter.
• Rates, Retainers and Additional Information
  We typically bill on an hourly basis.

• SEC Investigation Defense
• Securities Litigation
• FINRA & PCAOB
• Corporate Governance