Randolph P. Sinnott

Attorney Biography

Randolph Sinnott is a founding partner of the law firm and practices in the Los Angeles office. He is a nationally recognized practitioner in insurance coverage and complex commercial litigation, and has litigated numerous multi-party cases in which important legal issues and precedents were at stake. He has represented many of the world’s largest insurers in asbestos, environmental and construction defects matters.

Mr. Sinnott’s work in trial courts has been complemented by an active appellate practice. Many of the major appellate precedents in California on insurance coverage matters have been the result of Mr. Sinnott’s appellate advocacy. He has been appellate counsel in such seminal decisions as Powerine Oil Company v. Superior Court, 37 Cal. 4th 377(2005); MacKinnon v. Truck Insurance Exchange, 31 Cal. 4th 635 (2003); Buss v. Superior Court, 16 Cal. 4th 35 (1997); AIU Insurance Company v. Superior Court, 51 Cal. 3d 807 (1990); Sharon Steel Corporation v. Aetna Casualty & Surety Company, 931 P. 2d 127 (Utah 1997); ACL Technologies, Inc. v. Northbrook Property & Casualty Insurance Company, 17 Cal. App. 4th 1773 (1993); and Lockheed Corporation v. Continental Insurance Co., 134 Cal. App. 4th 187 (2005).

Mr. Sinnott graduated Cum Laude and With Distinction in 1976 from the University of Michigan in Ann Arbor with an A.B. in Classical Studies (Latin). He graduated in 1982 from the University of Southern California Law Center, where he was an editor on the law review. Mr. Sinnott is a member of the California, Nevada and Arizona state bars. He is also admitted to practice in all of the United States District Courts in California, and the Districts of Nevada and Arizona.

Mr. Sinnott served for 30 years in the United States Marine Corps Reserve, and retired at the rank of Colonel. He served combat tours in Iraq and Afghanistan, where Mr. Sinnott was wounded and highly decorated for valor. Mr. Sinnott served as President of the National Board of Directors of the Marine Corps Reserve Officers Association, and as a Trustee of the Marine Corps Reserve Officers Association Foundation. Mr. Sinnott is a member of the Military Order of the Purple Heart and the Reserve Officers Association.

He is the Disabled Veterans Business Enterprise Advocate of the Insurance Diversity Initiative of the California Department of Insurance. Mr. Sinnott serves as the President of the Board of Directors of the Academy of Magical Arts, the association of magicians housed at the world famous Magic Castle in Hollywood, California. Mr. Sinnott is a past President of the Jonathan Club in Los Angeles and Santa Monica, and serves on the Board of Directors of the Fine Arts Club of Pasadena.