Margaret M. Holm - Partner

Orange County, CA: (949) 490-4840

Los Angeles, CA: (213) 745-8600

San Diego, CA: (858) 459-4400


Margaret M. Holm is a Partner in the Orange County, San Diego, and Los Angeles offices and Chair of the Healthcare practice.  Ms. Holm is one of the country’s leading trial and appellate litigators for large health care entities in complex civil disputes.  She is a well-renowned leader in the legal profession.  Ms. Holm defends national and regional insurers in addition to healthcare organizations and providers, including hospitals, medical professionals, nursing homes, and long-term care facilities.

She has defended clients for professional malpractice, wrongful death, abuse, neglect, class actions, and catastrophic injury allegations.  She handles the defense of property and business owners, national sporting associations, school associations, and public entities in complex, catastrophic cases involving fraud, abuse, neglect, and mass torts.  She also has experience defending employers in cases involving a wide range of employment law issues.

Ms. Holm has an outstanding record of obtaining defense verdicts, early dismissals, and favorable settlements in over 200 civil jury trials and arbitrations with a success record of over 95 percent in jury verdict cases.  She has held multiple leadership positions in law firms and legal organizations and has been recognized for her work by many prominent organizations on their lists of leading health care attorneys.

Ms. Holm received her law degree from Santa Clara University School of Law, where she was elected the first woman Student Bar Association President in its history.  She graduated with a B.A. from the University of California San Diego.  The American College of Trial Lawyers nominated and inducted Ms. Holm as a Fellow due to her exceptional skills in trial advocacy and civility.  At the time, she was only the third woman in the nation to have achieved this honor. She has attained the prestigious rank of Diplomate from the American Board of Trial Advocates, where she has also served on its National Board of Directors and was President of the California state chapter of ABOTA and President of the local Orange County chapter.


Recent Posts

Tyson & Mendes Adds New Health Care Group Head, 2 Attys

Law 360 Pulse – July 22, 2021

Insurance-focused litigation firm Tyson & Mendes LLP has appointed a recent recruit based in California as the new head of its health care group, and expanded the group with two Washington state partners.

Tyson & Mendes Expands Healthcare Practice, Appoints Margaret Holm as Chair: Two Additional Attorneys Brought on to Expand Practice Group Capabilities

SAN DIEGO (July 20, 2021) – Tyson & Mendes LLP announced today the expansion of its Healthcare Practice Group with the appointment of industry-leading trial and appellate litigator Margaret “Peggy” Holm as chair and the addition of two new attorneys joining the firm’s rapidly-growing specialty practice group.

Tyson & Mendes Launches New Subsidiary, TM HALO®, to Win Your Biggest Trials: New Trial Firm Devoted Solely to Winning Major Civil Jury Trials

SAN DIEGO (July 15, 2021) – Leading insurance and civil litigation defense firm Tyson & Mendes LLP announced today the launch of TM HALO®, a new high-stakes trial firm that uses value billing when parachuting in to defend corporations, insurance companies, and insureds in major civil jury trials.

Tyson & Mendes Lands Attorney from Clyde & Co LLP: Margaret Holm Join Rapidly Growing Civil Defense Firm

Tyson & Mendes LLP has further strengthened its healthcare, business litigation, personal injury, and medical malpractice practices with the addition of new partner – Margaret Holm – from global law firm Clyde & Co LLP.

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