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Michael J. Hassen

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Direct: 415.398.8080
Main: 415.398.8080
Fax: 800.707.4479

2 Embarcadero Center
5th Floor
San Francisco, California 94111

Kathy Walker

Michael Hassen's litigation practice spans more than 30 years and emphasizes class action defense and matters involving antitrust, securities and false advertising/unfair competition.  He is admitted to practice law in California, New York and the District of Columbia, and is admitted to practice before numerous appellate courts including the United States Supreme Court.

He has substantial experience representing corporations (particularly financial institutions and manufacturers); limited liability companies; real estate developers, owners and managers; retailers, and others. 

Michael's Class Action Defense Blog contains more than 2,000 searchable pages and is routinely read by many in the legal community.

Michael has deep experience in representing retailers, financial institutions, telemarketing companies, debt collectors, and others in class actions under state and federal labor laws, privacy laws, consumer protection laws, false advertising and unfair competition laws, antitrust, and debt collection practices laws, as well as under the federal ADA and Telephone Consumer Protection Act (TCPA) laws.  He also has significant experience in prosecuting and defending business torts such as misappropriation of trade secrets and raiding of corporate employees.

Michael additionally has represented lenders in all facets of lender litigation, ranging from class actions and unfair business practices based on alleged "predatory" lending, alleged violations of the Real Estate Settlement Procedures Act (RESPA), the Fair Debt Collection Practices Act (FDCPA), or Truth in Lending Act (TILA), to claims alleging elder abuse or challenging the validity or priority of liens.

Michael is experienced in appellate matters, having had primary responsibility for preparing more than 100 appellate briefs, including briefs filed with the U.S. Supreme Court.

Michael's expertise in handling appeals arises from his experience serving as a law clerk at the California Supreme Court and the Circuit Court of Appeals for the District of Columbia. He has argued before the California Supreme Court on three occasions, and has appeared numerous times before the Ninth Circuit and the various districts of the California Courts of Appeal.


J.D., Boalt Hall School of Law, University of California, Berkeley, 1986

A.B., Political Science, University of California, Berkeley, 1983
summa cum laude, Phi Beta Kappa

Bar Admissions California
District of Columbia
New York
U.S. Supreme Court
U.S. Court of Appeals, District of Columbia Circuit
U.S. Court of Appeals, Second Circuit
U.S. Court of Appeals, Third Circuit
U.S. District Court of Appeals, Fourth Circuit
U.S. District Court of Appeals, Fifth Circuit
U.S. District Court of Appeals, Seventh Circuit
U.S. District Court of Appeals, Ninth Circuit
U.S. District Court, Northern District of California
U.S. District Court, Eastern District of California
U.S. District Court, Southern District of California
U.S. District Court, Central District of California

Faculty Member, Intensive Advocacy Program, University of San Francisco School of Law, 1994, 1995, 1998

Awards & Recognition
  • Martindale-Hubbell Peer Review, AV Rating