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Joshua Quinones defends clients in toxic tort, product liability, transportation, and general liability.

Joshua tackles all aspects of litigation from start to finish, including complex biological, scientific, technical and medical issues. Joshua is experienced in catastrophic accident response; this includes investigations, evidence preservation, pre-trial strategy, depositions, trial, appeal, and settlement.

As defense counsel for oil companies in California, Joshua works in and around refineries in Southern California including Los Angeles, Long Beach, and Bakersfield. He represents clients in matters involving explosions, toxic exposure, and other tort liability, including allegations of terminal disease, catastrophic injury, brain injury, burns, or wrongful death claims.

Joshua keeps a robust practice representing contractors in commercial claims in construction and operations involving refineries in the areas of processes and controls, tank de-gassing, and overall safety concerns.

Joshua also defends chemical and product manufacturers, premises owners, and transportation and trucking companies and their drivers, with a growing emphasis on non-emergency medical transport vehicles.

He has many years of experience defending automobile manufacturers under the Song-Beverly Consumer Warranty Act. Joshua successfully defends dozens of chemical and product manufacturers against claims of defective design, manufacture and inadequacy of warnings. He defends numerous homeowners associations (HOAs) and commercial property owners against habitability and environmental claims, including mold, lead, asbestos and other toxic chemical exposures.


J.D., Loyola Law School, Loyola Marymount University, Los Angeles, California, 1996
B.A., Claremont McKenna College, Claremont, California, 1988


Named as Top Attorney by Pasadena Magazine (2014-2015)


Member, Los Angeles County Bar Association

Member, Claims and Litigation Management

State Bar Licenses


Court Admissions

U.S. District Ct., N.D. of California
U.S. District Ct., S.D. of California
  • Co-author, Environmental Law Newsletter, January 2017 “EPA Proposed TCE Ban”
  • Co-author, Environmental Law Newsletter, December 2016 “California Supreme Court Validates Secondary Exposure Claims over Strong Opposition from Defense Groups”
  • Presenter, “Investigation and Defense of Carbon Monoxide Exposure Claims”, May 17, 2017
  • Presenter, “Is the Wave of Marijuana Legalization All Smoke? A Practical Look”, CLM Orange County Chapter Networking Event, April 20, 2017