Ron Thommarson

Ron Thommarson

Ron earned a B.A. with distinction in political science from Stanford University in 1990, and obtained his J.D. from the University of Southern California Law School in 1994. Ron's practice focuses on real estate and business litigation, financial institutions, employment defense, and general civil litigation.

Ron was employed from 2007 to 2012 at a small, boutique litigation firm in Irvine handling business and real estate litigation, as well as employment law. Prior to that, he was a senior attorney at Miller & Clark, a real estate boutique firm, from 2003 to 2007. His practice focused on litigation representing the title insurance and mortgage industries. From 1997 to 2003, Ron practiced in Orange County with the Business Trial and Labor & Employment departments of Sheppard, Mullin, Richter & Hampton, LLP, a large full service law firm with over 500 lawyers in multiple countries.

Ron's litigation experience includes real estate and general civil and business litigation, encompassing real property disputes, foreclosure and title litigation, lender liability, warehouse lending disputes, contract claims, collections, partnership disputes, professional liability, business torts, unfair competition, intellectual property licensing disputes, and class actions. His labor and employment experience spans a wide variety of employment litigation, including wrongful discharge, discrimination, harassment, retaliation, and wage claims. He has also provided advice and counsel to employers and management concerning personnel policies, employee handbooks, employment agreements, regulatory compliance, wage and hour issues, exemption issues, family and medical leaves, disability leaves and accommodation, and dealing with regulatory and administrative agencies.

Ron is admitted to practice in all of the state courts of California, as well as the U.S. Ninth Circuit Court of Appeal and the U.S. District Courts for the Central, Southern, Northern and Eastern Districts of California. He is a member of the Orange County Bar Association's Real Estate and Labor and Employment Law Sections, as well as the national and regional alumni associations of Stanford University and the University of Southern California.

Areas of Practice

  • Business & Commercial Litigation
  • Real Estate
  • Defense: Labor & Employment
  • Civil Litigation & Appeals
  • Financial Institutions
  • Contracts

Bar Admissions

  • California, 1994
  • Ninth Circuit Court of Appeal
  • U.S. District Court, all four Districts in Cal
  • Orange County Bar Association


Stanford University, Stanford, CA

  • B.A. – 1990
  • With Distinction, Political Science

U.S.C. Law School, Los Angeles, CA

  • J.D. -- 1994

Past Legal Employment

  • Sheppard, Mullin, Richter & Hampton, LLP