Gerald De Simone


Gerry DeSimone has earned a national reputation as a distinguished trial lawyer in complex litigation, having tried cases in multiple venues and jurisdictions. A member of the American Board of Trial Advocates (ABOTA), Gerry has been recognized by colleagues and the judiciary as one of the premier trial attorneys in California.  Gerry’s litigation practice covers a wide range of areas, including product liability, premises liability and security, general negligence, toxic torts, construction litigation, habitability, unfair competition, and various business disputes.  

His clients include Global Fortune 500 institutions and individuals embroiled in high-stakes litigation. A brief list of the entities he has represented include:

  • Ferguson Enterprises, Inc. 
  • Bimbo Bakeries U.S.A., Inc.
  • Toys “R” Us—Delaware, Inc.
  • Mattel, Inc.
  • Smithfield Foods, Inc.
  • The J. Paul Getty Trust
  • Davey Tree Expert Company
  • Reliance Steel & Aluminum
  • Swinerton Builders
  • Los Angeles Unified School District

Gerry has served as an instructor in the field of trial advocacy at Pepperdine University School of Law, the American Trial Lawyers’ Association and the Jack Daniels Trial College conducted by the American Board of Trial Advocates (ABOTA).  

Examples of matters that Gerry has successfully litigated include:

DeRon Jenkins v. Babies “R” Us. Successfully defended a national retailer in a jury trial for a personal injury claim by a National Football League player seeking $6,000,000.00 in damages for an alleged injury that ended his career.

Greenway v. Summit Steel Garage Doors. Returned a defense jury verdict in a business dispute arising from a joint venture by two companies in the manufacture and sales of garage doors.

City of Imperial v. Ferguson Enterprises. Successfully defended a lawsuit for damages relating to the sale and installation of an automated metering system, which included a nonsuit of a cause of action for strict product liability, a directed verdict of a cause of action for breach of express warranty, and a jury verdict on all other causes of action for a fraction of the amount previously offered.

Lawrence Plotkin v. Mattel Inc. Successfully removed a catastrophic injury case from the Los Angeles County Superior Court on the grounds that the appropriate forum was the Czech Republic, thereby resulting in a dismissal of the matter.

Simonek v. Union Pacific Railroad Company, et al. Returned a defense verdict on a cross-complaint for express indemnity resulting in savings of more than $1,000,000.

Mendoza v. Toys “R” Us. Successfully defended a claim for multiple catastrophic injuries stemming from the collision of three tractor trailers in San Bernardino County, California where one driver was killed and another claimed total disability.

Watermill Flying Trust v. Shepard Concrete.  Successfully moved for a non-suit in a construction defect jury trial in which plaintiff alleged that the largest distributor of plumbing products in the United States provided various defective products. 

Founding partner and jury trial specialist.

Founding partner and jury trial specialist.


Los Angeles
(T) +1.818.707.0727
(F) +1.818.707-0757


  • Hofstra University 
  • Pepperdine University School of Law 


  • California 1984
  • United States District Court— Central District of California 1984
  • District of Columbia 1986


  • American Board of Trial Advocates (ABOTA)
  • Los Angeles County Bar Association