Michael M. Walsh


Michael M. Walsh

Overview Overview Experience Credentials

Michael Walsh has over 24 years of litigation and appellate experience in both state and federal courts, including mass tort and complex products liability. He has defended both public and private entities against claims of sexual abuse, premises liability, toxic tort, professional negligence, insurance coverage and general liability. He has also presented frequent writ petitions to the Court of Appeal and other general appellate matters.

Mr. Walsh’s pro bono activities include participating in the Appellate Pro Bono Program (with Public Counsel), guardianships and adoptions, representing undocumented minors and assisting them to obtain legal residence, acting as a pro tem judge for the Los Angeles Superior Court — traffic and small claims court and appeals before the L.A. Board of Education.

Mr. Walsh has represented clients in hundreds of cases, several resulting in published decisions, including:

Representative Matters

  • Regents of the Univ. of Calif. v. Workers' Comp. Appeals Bd. (Lappi) (2014) 226 Cal.App.4th 1530 – Holding that attorney-client privilege and work product protections apply with equal force in workers’ comp. proceedings.
  • Benson v. Workers' Comp. Appeals Bd. (2009) 170 Cal.App.4th 1535 – Finding that the Wilkinson decision was effectively overturned by reforms to the Labor Code, regarding how causation was apportioned for permanent disability awards.
  • GGIS Ins. Services, Inc. v. Sup. Court (Capitol Indem. Corp.) (2008) 168 Cal.App.4th 1493 – Finding that a policy exclusion precluded coverage for claims alleged by a state insurance commissioner.
  • Six Flags, Inc. v. Workers' Comp. Appeals Bd. (2006) 145 Cal.App.4th 91 – Overturning Labor Code §4702(a)(6)(B) as contrary to the California constitution.
  • County of San Luis Obispo v. Workers' Comp. Appeals Bd. (2005) 133 Cal.App.4th 641 – Finding that the county had made a reasonable business decision for taking the claimant off work when his medical restrictions were inconsistent with the requirements of his job.
  • Goldrich v. Natural "Y" Surgical Specialties, et al. (1994) 25 Cal.App.4th 772 – Finding that plaintiff’s symptoms and doctor’s recommendations had provided sufficient notice and that her claims were barred by the statute of limitations.

Publications and Presentations

  • “Testing Liability,” Los Angeles Lawyer (September 2014).
  • Co-presenter, “Navigating the Appellate Maze,” Sedgwick CMS (2013 and 2014).
  • “When Good Times Go Bad,” Daily Journal (April 19, 2011)
  • “Sharing the Blame,” Los Angeles Lawyer (April 4, 2011).
  • Contributor, Sedgwick’s Appellate Strategist blog.
  • “Protecting Privilege,” The Recorder (December 28, 2009).
  • Lecturer on “Medical Products and the Law” at the Regulatory Science graduate program, University of Southern California, School of Pharmacy (2003 to present).


  • California
  • 9th U.S. Circuit Court of Appeals
  • 10th U.S. Circuit Court of Appeals
  • U.S. District Court (C.D. Cal.)
  • U.S. District Court (E.D. Cal.)
  • U.S. District Court (N.D. Cal.)
  • U.S. District Court (S.D. Cal.)


  • J.D. (1990) Loyola Law School, Los Angeles
  • B.S. (1987) University of California at Los Angeles

Memberships and Affiliations

  • Los Angeles County Bar Association
  • Los Angeles County Appellate Courts Committee
  • Certified by the California State Bar as a specialist in Appellate Law