As a member of the California Bar since 1981, an insurance law professor, and an elected member of the American Law Institute, Mr. DiMugno has served as an expert witness for insurance companies and policyholders across the United States and in several foreign countries.
Representative Cases
Matthew Mettler v. Government Employees Insurance Company,
Case No. 18CV2303 BAS MSB (S.D. Cal.)
(Expert Witness for Policyholder)
Terra Gold Farms v. Unigard Insurance Co.,
Case No. 2:17-cv-00326 (E.D. Wash.)
(Expert Witness for Insurer)
A.H. Wines v. Watts Bottleing Co; Ice Insurance Agency,
Case No. STK-CV-UPI-2017-7571 (California Superior Court, San Joaquin County)
(Expert Witness for Broker)
First One Lending Corp. v. The Hartford Casualty Insurance Company,
Case No. 8:13-cv-01500-AG-DFM (C.D. Cal.)
(Expert Witness for Insurer)
Prescott v. Bristol West Insurance Company,
No. 1:18-cv-00756-KBM-JHR (U.S. District Court, New Mexico)
(Expert Witness for Insurer)
Bonair Street Associates, LLC v. Gemini Insurance Company,
No. 37-2015-00005030-CU-IC-CTL (California Superior Court, San Diego County)
(Expert Witness for Insured)
GC Carb, LLC v. National Estate Insurance Group, LLC,
No. 4:18-cv-00869-JSW (U.S. District Court, Northern District of California)
(Expert Witness for Insurance Broker)
Anthony & Sylvan Pools Corporation v. Outdoor Sports Gear, Inc.,
No. 2:16-cv-06658 (United States District Court, Central Dist., California)
(Expert Witness for Plaintiff and Cross-Defendant)
Victor S. Brice v. Matiasic, Roth & Johnson,
No. CGC-13-531173 (California Superior Court, San Francisco)
(Expert Witness for Plaintiff)
Theresa Perry v. Allstate Insurance Co.,
Case 3AN-15-09179 CI (Alaska Super. Ct., Third District, Anchorage)
(Expert Witness for Insurer)
Judith A. Bowman v. Allstate Insurance Co.,
Case 3AN-15-05175 CI (Alaska Super. Ct., Third District, Anchorage)
(Expert Witness for Insurer)
Irving Oil Limited v. ACE INA Insurance,
No. BCD-CV-09-35 (Superior Ct., Cumberland County, Maine)
(Expert Witness for Insurer)
Hanify v. Allstate Insurance Company,
No. 2:15-cv-00070-MJP (W.D. Wash.)
(Expert Witness for Insurer)
Anderson v. Allstate Insurance Company,
No. 3AN-14-7417 CI (Alaska Super. Ct., Third Dist., Anchorage)
(Expert Witness for Insurer)
Mike Carson, Bob Payne, Jack Sweigart v. Truck Insurance Exchange,
Case No. 34-2013-00138428 (California Superior Court, County of Sacramento)
(Expert Witness for Policyholder)
Barbara A. Lindahl, Personal Representative of the Estate of Matt Cameron Bassi v. Allstate Insurance Co.,
Case 3AN-13-11078 CI (Alaska Super. Ct., Third District, Anchorage)
(Expert Witness for Insurer)
Jeremy Strong v. Allstate Insurance Co.,
No. 3AN 13-1108 CI (Alaska Super. Ct., Third Dist., Anchorage)
(Expert Witness for Insurer)
Connell v. Allstate Insurance Company,
No. 3AN 13-1108 (Alaska Super. Ct., Third Dist., Anchorage)
(Expert Witness for Insurer)
Continental Casualty Co. v. Piggly Wiggly Alabama Distributing Co.,
No. 2:13-cv-00607 (N.D. Ala.)
(Expert Witness for Insurer)
People of the State of California, ex rel., Michael Strathmann, Ph.D. v. Acacia Research Corporation,
No. 30-2010-00426554 (California Superior Court, Orange County)
(Expert Witness for Plaintiff)
Stephen Jacobsen v. Allstate Insurance Co.,
No. 3AN-11-11122-CN (Alaska Superior Court, Third Judicial District)
(Expert Witness for Insurer)
Gap, Inc. v. Apex Express, Inc.,
No. CGC-12-526547 (California Superior Court, County of San Francisco)
(Expert Witness for Plaintiff)
National Union Fire Insurance Company of Pittsburgh, PA v. Sunset Heights Hawaii, LLC,
No. 10-1-2184-10 (GWBC) (Hawaii Circuit Court, First Circuit)
(Expert Witness for Insurance Broker)
Solomon Temple v. GuideOne, et. al,
No. C-10-00819 (California Superior Court, Contra Costa County)
(Expert Witness for Insured)
Aragon v. Western United Insurance Co.,
No. A-12-657669-C (Clark County, Nevada)
(Expert Witness for Insurer)
Bingham v. GEICO,
No. D-202-CV-2010-06593 (New Mexico, 2nd Dist.)
(Expert Witness for Insurer)
Venice Investors, LLC v. Fidelity National Title Insurance Company,
No. SC111851 (Superior Court, County of Los Angeles)
(Expert Witness for Insured)
SDG Macerich Properties, LP v. United National Insurance Co. and Control Security Services, Inc.,
No. 08-9628 (Delaware County, PA)
(Expert Witness for Insured)
Amanda Hat v. Depositors Insurance Co.,
No 2:-7-CV-00745-RBH-GGH (E.D. Ca.)
(Expert Witness for Insured)
Arizona Water Co. v. AAIC and SNIC,
Arbitration No. 1210028095
(Expert Witness for Insured)
American Reinsurance Co. v. USF&G,
No. 60451702 (Supreme Court of the State of New York, County of New York)
(Expert Witness for Reinsurer)
Stewart Title Guaranty Co. v. The Arvis C. and Anna L. Forrest Trust,
No. Civ. 07-CV-01342 (D. Nev.)
(Expert for Insured)
ACE Insurance, Ltd. v. Moose Enterprises PTY, Ltd.,
Supreme Court of New South Wales, Australia, No. 1103 OF 2009
(Expert Witness for Insurer)
Joanne Cogan v. Clark County,
No. A554592 (Dist. Ct., Clark County, Nevada)
(Expert Witness for Insurer)
Harrison v. Progressive Casualty Insurance Company,
No. CV 07-671 (D. Ariz.)
(Expert Witness for Insurer)
Goble v. Beckwith,
No. CV2008-051863 (Superior Ct., County of Maricopa, Ariz.)
(Expert Witness for Insured)
TRB Investments Inc. v. Fireman’s Fund Insurance Cos.,
No. 250247 (Superior Court, Kern County)
(Expert Witness for Insured)
Zuirch Re (UK) LTD, a UK Corp. and Geling-Konzern AllgemeineVersicherungs AG v. Chevron,
Case No. CV 07-00497 PA (JTLx) (C.D. Cal.)
(Expert Witness for Insurer)
Union Oil Company of California, dba Unocal v. Lexington Insurance Co.,
Case No.: CV 05-1857 RSWL (VBKx) (C.D. Cal.)
(Expert Witness for Insurer)
Lorri Wittmack v. Chubb Group of Insurance Companies,
Case No. GIC808022 (Superior Court, County of San Diego)
(Expert Witness for Insured)
Fireman's Fund Insurance Company v. Frank B. Hall Insurance Brokers,
Case No. 667792 (Superior Court, County of Orange)
(Expert Witness for Insurer)
Address: 3450 Palmer Dr., Suite 4-285, Cameron Park, CA 95682 | Phone: 
530-344-0239 | Fax: 530-344-0189 | Email: jd@dimugnolaw.com