Free Consultation: (424) 259-4004Tap to Call This Lawyer
Sean T Prosser

Sean T Prosser

SEC Enforcement, Shareholder Litigation, and White-Collar Defense Lawyer
  • Securities Law, White Collar Crime, Stockbroker & Investment Fraud ...
  • California
Badges
Claimed Lawyer ProfileSocial Media
Biography

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).

Practice Areas
Securities Law
White Collar Crime
Stockbroker & Investment Fraud
Gov & Administrative Law
Administrative Law, Election Law, Government Contracts, Government Finance, Legislative & Government Affairs
Criminal Law
Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
Additional Practice Areas
  • SEC Investigation Defense
  • Securities Litigation
  • FINRA & PCAOB
  • Corporate Governance
Fees
  • 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.
Jurisdictions Admitted to Practice
California
Placeholder image for jurisdictions.
9th Circuit
Placeholder image for jurisdictions.
11th Circuit
Placeholder image for jurisdictions.
Professional Experience
Member
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
- Current
Partner
Perkins Coie LLP
- Current
Partner
Morrison & Foerster LLP
-
Principal
Fish & Richardson LLP
-
Associate
Brobeck, Phleger & Harrison
-
Associate
Gilchrist & Rutter, P.C.
-
Attorney, Office of Enforcement, Los Angeles, CA
U.S. Securities and Exchange Commission (SEC)
-
Law Clerk, Office of Broker-Dealer Enforcement, New York, NY
U.S. Securities and Exchange Commission (SEC)
-
Education
New York Law School
J.D. (1992) | Law
-
New York Law School Logo
University of Pennsylvania
B.A. (1986) | English
-
Activities: Varsity Football
University of Pennsylvania Logo
Awards
San Diego SuperLawyer (2010-2019)
Superlawyers
Best Lawyer (2010-2019)
Best Lawyers in America
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
Lawyer of the Year, Corporate Governance
Best Lawyers of America
Recommended for Merger Litigation (2012 - 2014)
Legal 500 (US)
Professional Associations
State Bar of California  # 163903
Member
Current
Placeholder image for professional associations.
Association of SEC Alumni
Member
Current
Placeholder image for professional associations.
Websites & Blogs
Blog
Sean T. Prosser, SEC Enforcement, Securities Litigation & White Collar Defense Lawyer
Contact & Map
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
2029 Century Park East
Suite 3100
Los Angeles, CA 90067
Telephone: (424) 259-4004
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
3580 Carmel Mountain Road
Suite 300
San Diego, CA 92130
Telephone: (858) 314-2152