Gregory Mason

HomeAttorneys – Gregory Mason

Greg Mason - Insurance Defense Litigation

Gregory Mason


Mr. Mason has been practicing law since 1990 with McCormick Barstow, handling a wide variety of civil litigation. Mr. Mason has tried over 20 cases to jury verdict.  These jury trials included an alleged chromated copper arsenate exposure at a groundwater remediation site, aerially applied chemical drift cases, a wrongful death drowning case, two wrongful death motorcycle cases, premises liability, automotive liability and general negligence cases.

Greg Mason

He has defended a judge in a proceeding before the Commission on Judicial Performance of the State of California.  He has also tried court trials on insurance bad faith claims and commercial breach of contract claims.  He has represented clients in major litigation matters, such as a 450 plaintiff mass toxic tort claim arising out of alleged metam sodium exposure; toxic tort claims, to include exposure to lead fumes, anhydrous ammonia and chlorpyrifos; conventional and organic crop damage and contamination by numerous insecticides and pesticides; complex product liability claims, to include an alleged multi-million dollar loss caused by robotic milking equipment and a wrongful death claim involving aircraft turbine engine failure; in excess of 100 wrongful death claims; quadriplegia and paraplegia claims; brain damage claims; professional errors and omissions matters; and business litigation matters, to include unfair competition and breach of contract.

Mr. Mason is admitted to practice law in the State of California, and U.S. District Court for the Eastern and Central Districts of California.

Juris Doctor, 1990 
University of San Diego School of Law

Bachelor of Arts, Economics, 1987 (with distinction) 
San Diego State University

Concentrating in Commercial and Insurance Defense Litigation, including Agricultural Crop Loss and Aviation, Toxic Tort, Products Liability, Wrongful Death, General Negligence, Personal Injury, and Retailer Liability.

Mr. Mason holds the rank of Associate in the American Board of Trial Advocates (ABOTA), and currently serves on the San Joaquin Valley Chapter’s Board. He is a member of the Claims & Litigation Management Alliance; State Bar of California (Conference of Delegates of California Bar Association, Member, Sergeant-At-Arms Committee 2003-2005); member of the Board of Directors for the Association of Defense Counsel of Northern California and Nevada (2012-2016); Fresno County Bar Association (Fresno County Young Lawyers Association – Member, Board of Directors 1994-1996; Delegate to the State Bar of California Conference of Delegates 1995-2000; Member, Board of Directors 2007-2009); and the San Joaquin Valley Chapter of the Association of Business Trial Lawyers (ABTL).

Honors and Awards

Mr. Mason is AV® Preeminent™ Peer Review Rated with Martindale Hubbell.  He is a Fellow of the Litigation Counsel of America and a member of the Order of Veritas.  Mr. Mason was selected as one of the Top 100 Northern California Super Lawyers (2014-2017) and has been included in the Northern California Super Lawyers list (2005, 2008-2023) for his expertise in Personal Injury Defense.  He holds an Avvo rating of Superb (10.0).  Mr. Mason has also been recognized by America’s Top 100 Attorneys™.

McCormick Barstow LLP
7647 N. Fresno Street
Fresno, CA 93720
(559) 433-1300
(559) 433-2300 fax
McCormick Barstow LLP
1125 I Street, Suite 1
Modesto, CA 95354
(209) 524-1100
(209) 524-1188 fax
McCormick Barstow LLP
1041 Mill Street, Suites 103 & 105
San Luis Obispo, CA 93401
(805) 541-2800
(805) 541-2802 fax
McCormick Barstow LLP
8337 W. Sunset Road, Suite 350
Las Vegas, NV 89113
(702) 949-1100
(702) 949-1101 fax
McCormick Barstow LLP
201 W. Liberty Street, Suite 320
Reno, NV 89501
(775) 333-0400
(775) 333-0412 fax
Scripps Center, Suite 1050
312 Walnut Street
Cincinnati, OH 45202
(513) 762-7520
(513) 762-7521 fax