William Doyle

Doyle APC
550 W B St Fl 4
San Diego, CA 92101
(619) 736-0000


William Doyle is the founder and President of Doyle APC and is licensed to practice law in California and Washington. Since 1998 Mr. Doyle has focused his practice on representing consumers and investors in class action and mass tort litigation involving defective products, securities fraud, consumer fraud, internet privacy, prescription drugs, and defective medical devices.

Mr. Doyle has served as lead counsel in national class actions and MDL litigations against such companies as the New York Stock Exchange, Apple, LG, Honda, Sony, Amazon.com and other Fortune 100 companies.

Prior to Doyle APC, Mr. Doyle founded Doyle Lowther LLP, a national class action law firm. He previously worked as a partner in the law firm of Coughlin Stoia Geller Rudman & Robbins LLP and as an attorney at Milberg Weiss Bershad Hynes & Lerach LLP.

Mr. Doyle has been appointed lead or co-lead counsel in numerous class actions and multi-district litigations. In 2003 Mr. Doyle represented the California Public Employees’ Retirement System (CalPERS) as lead counsel in the NYSE securities litigation. In the TransUnion consumer litigation Mr. Doyle served as co-lead counsel and certified a statutory damages class action of over 9 million Illinois consumers, resulting in a nationwide settlement valued at over $109 million. In the NVIDIA products liability litigation, Mr. Doyle served as co-lead counsel and helped achieve a class settlement valued in excess of $500 million.

Mr. Doyle has represented clients in several mass tort injury litigations including transvaginal mesh, DePuy hip implant, Mirena IUD, Avandia and others. In the 2007 San Diego wildfire litigation, Mr. Doyle’s firm was one of several firms that together operated as de facto lead counsel in prosecuting the liability case against SDG&E. In the mesh litigations, in addition to managing several hundred cases, Mr. Doyle served in the leadership for the Cook MDL.

Mr. Doyle also served as lead or co-lead counsel in a series of landmark Internet privacy cases. These cases achieved important new privacy protections for online consumers, established new legal precedent for applying federal statutes to Internet communications, and certified the first nationwide class for Internet privacy claims.

Mr. Doyle graduated from the University of San Diego with an undergraduate degree in economics. Mr. Doyle earned his law degree in 1996 from the California Western School of Law.

Mr. Doyle is admitted to practice in state and federal courts throughout California and Washington, and the United States Court of Appeals for the First, Second and Ninth Circuits.

Mr. Doyle is a member of the American Bar Association, the American Association for Justice, the State Bars of California and Washington, the San Diego County Bar Association, and the National Trial Lawyers Association. Mr. Doyle also served on the board of directors for the Association of Business Trial Lawyers and as a director of the San Diego County Bar Foundation.