Darin T. Beffa

C: (424) 262-3332

“It is no use saying, ‘We are doing our best.’ You have got to succeed in doing what is necessary.”


Darin T. Beffa

Darin T. Beffa is a Partner of Pierce Sergenian LLP. Before joining Pierce Sergenian, Mr. Beffa honed his trial skills for nearly a decade at the preeminent litigation firm Kirkland & Ellis LLP. As a member of Kirkland’s General Litigation and Intellectual Property Litigation groups, he represented clients in some of the largest lawsuits in U.S. history, including In re: Oil Spill by the Oil Rig “Deepwater Horizon” in the Gulf of Mexico, on April 20, 2010 and In re: General Motors LLC Ignition Switch Litigation. Mr. Beffa is able to deftly navigate even the most complex litigation scenarios and works with his clients to apply litigation strategies tailored to the needs of each individual case.

Mr. Beffa brings his first chair trial experience to Pierce Sergenian. He has represented clients in a diverse array of litigation and pre-litigation matters ranging from environmental regulation to patents and from products liability to government contracts. Darin’s clients have included large and multinational companies like Boeing, BP, General Motors, Home Depot, and Volkswagen, as well as smaller companies and individuals.

A graduate cum laude of Harvard Law School, Darin was Executive Editor of the Harvard Journal of Law & Public Policy and performed clinical work for the Berkman Center for Internet & Society. While in school, Mr. Beffa clerked for the Office of Legal Policy at the U.S. Department of Justice and interned at two prominent law firms in Washington, D.C. Upon graduation, Mr. Beffa served as law clerk to United States District Judge George H. King in the U.S. District Court for the Central District of California. Mr. Beffa also spent two years as a Capitol Hill aide to U.S. Representative George R. Nethercutt, Jr.

When not representing his clients, Darin spends his time volunteering with community organizations such as the Constitutional Rights Foundation, where he is a Member of the Board of Directors and of the Executive Committee. Darin is also a member of the Los Angeles Latino Chamber of Commerce and is a board member of his neighborhood’s homeowners association.



Defended BP in a civil case brought by the U.S. Department of Justice seeking to impose environmental penalties related to the Deepwater Horizon oil spill in the Gulf of Mexico.

Secured more than $4 billion in settlement payments for BP from claims against co-owners of the well drilled by the Deepwater Horizon rig.

Represented an international manufacturing client during a civil investigation by the California Department of Justice.

Won a motion for judgment in favor of The Boeing Company at the close of plaintiff Northrup Grumman's case during the arbitration of a contract dispute concerning the pricing of F/A-18 aircraft.

Advised a large manufacturing client during restructuring of document retention and electronic discovery policies.

Won a full defense summary judgment in favor of Greenwich Capital Financial Products (now RBS Financial Products) in bankruptcy adversary proceeding alleging more than $100 million in damages for fraud and breach of fiduciary duty related to a debtor-in-possession loan to a subprime mortgage lender.

Secured favorable settlement for an RFID tag manufacturer in patent and antitrust lawsuit against a competitor.

Represented Digeo in a patent and antitrust lawsuit related to interactive programming guide technology and licensing practices. The case settled favorably after Digeo filed for summary judgment.

Obtained a dismissal with prejudice for The Home Depot in a putative class action alleging breach of contract, unfair business practices, and violations of the California Consumers Legal Remedies Act. The dismissal order was published and later affirmed by the Ninth Circuit Court of Appeals. See Spiegler v. Home Depot, U.S.A., Inc., 552 F. Supp. 2d 1036, 2008 WL 1848292 (C.D. Cal.). .