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Denis J. Moriarty

Denis J. Moriarty

Senior Partner
Los Angeles
555 South Flower Street
Forty-Fifth Floor
Los Angeles, CA 90071
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Mr. Moriarty is a member of the Firm’s Executive Committee and the Practice Group Leader of the Risk Management & Insurance Law Practice Group. His practice involves the analysis of insurance coverage issues and providing coverage advice, recommendations and written opinions. He also represents primary and excess insurers in litigation, non-litigation and regulatory matters in addition to representing primary and excess insurers in declaratory relief and bad faith litigation. He has represented numerous insurance companies in litigation involving areas of environmental claims, construction defect claims, professional liability claims, and general liability, property and casualty claims.

Mr. Moriarty was instrumental in assisting a major insurance company with insurance and bad faith litigation arising from the 1994 Northridge earthquake, which was one of the largest natural disasters in United States history. During this time, he was responsible for coordination and management of over 300 lawsuits arising from the earthquake. He advised the company on claims handling issues and represented the company before the California Department of Insurance and before legislative committee hearings.

In addition to his experience in bad faith litigation, he has represented companies in litigation arising from third-party and first-party automobile liability and casualty claims, including uninsured and underinsured motorist claims. Mr. Moriarty has also represented banks, insurers and other businesses in legal actions to secure their facilities from workplace violence and stalkers, and to protect their employees’ safety.


Loyola Law School, Los Angeles (JD, 1982)

Chapman College (BA, 1978)

California State Courts
U.S. Court of Appeals, Ninth Circuit
U.S. District Court, Central District of California
U.S. District Court, Eastern District of California
U.S. District Court, Northern District of California
U.S. District Court, Southern District of California

American Bar Association
International Association of Defense Counsel
Defense Research Institute
Association of Southern California Defense Counsel
Claims & Litigation Management Alliance

Martindale Hubbell AV Preeminent Rated

United States Marine Corps. 1971-1978

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Southern California Super Lawyers 2023