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Tom T. Nagashima


(619) 230-7466
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San Diego
101 W. Broadway
Suite 2000
San Diego, CA 92101

Los Angeles
633 West Fifth Street
52nd Floor
Los Angeles, CA 90071

5 Park Plaza
Suite 1100
Irvine, CA 92614


J.D., Washington University School of Law, 2003

B.A., Biology, Boston University, 1999


Rising Stars® distinction in the field of Employment Litigation: Defense (2017, Law & Politics)


Tom T. Nagashima is a Partner in the San Diego office of GRSM. He is an experienced litigator who focuses his practice on Employment, Products Liability and Commercial Litigation.  

Tom has more than seventeen years of experience representing clients in a wide range of matters including personal injury, property damage, products liability, employment matters and commercial business disputes.

Tom’s employment practice includes representing individuals and businesses on claims ranging from single plaintiff to complex class action wage/hour matters, discrimination, and PAGA lawsuits.   Tom’s employment litigation experience covers a wide variety of actions including shareholder disputes, trade secret, contract, fraud, defamation and unfair business practices claims, violations of wage and hour laws, wrongful discharge and retaliation claims involving alleged disability, race, age and sex discrimination, sexual harassment, and social media and privacy issues.

Tom also counsels clients on a wide-range of employment matters, including employee discipline, hiring and termination practices, and accommodating medical and disability leave requests.

Tom’s extensive experience also includes representation of parties in hundreds of matters in all phases of litigation from initial investigations through trial in both State and Federal Courts involving wrongful death, catastrophic personal injury and subrogation matters.  Tom’s experience includes the following products:

  • recreational equipment,
  • automobiles,
  • RVs,
  • farm equipment,
  • forklifts,
  • cranes,
  • tractor trailers,
  • shipping containers,
  • golf cars,
  • HVAC systems,
  • household appliances,
  • electrical consumer goods,
  • chemical/hazardous material storage,
  • commercial printing presses,
  • construction equipment,
  • restaurant equipment, and
  • conveying systems.

Tom has successfully represented clients before administrative agencies including OSHA, EEOC and DFEH as well as state and federal court trials including appeals.


  • California
  • U.S. District Court, Central District of California
  • U.S. District Court, District of Columbia
  • U.S. Patent & Trademark Office


  • Los Angeles County Bar Association
  • Los Angeles Bar Association
  • American Bar Association
  • American Intellectual Property Law Association
  • Claims Litigation & Management Alliance - Subrogation Committee Member
  • National Association of Subrogation Professionals - Certified Subrogation Recovery Professional