John J. Powers

Partner San Francisco
Phone: (415) 591-7565
Fax: (415) 591-7510


John J. Powers represents a variety of Fortune 100 and Fortune 500 clients in product liability, antitrust, class action and commercial litigation matters.

John’s product liability practice focuses on defense of U.S. and foreign medical device, pharmaceutical and automotive manufacturers in nationwide and multidistrict litigation. He has defended pharmaceutical manufacturers in numerous actions brought by state attorneys general alleging violations of state deceptive trade practices and unfair business practices. John has worked extensively in developing the defense to allegations involving off-label marketing of prescription medications and claims alleging improper sales and promotional activities.

John has acted as National Coordinating Counsel in several mass tort litigations for various pharmaceutical manufacturers. He has worked extensively with local counsel on science matters involving experts in the fields of cardiology, toxicology, epidemiology, pharmacokinetics and similar areas.

John has first chair and second chair trial experience in state and federal courts. He has tried cases to verdict in such diverse areas as: product liability; antitrust; land use; and catastrophic injury/wrongful death.

His commercial litigation practice involves defense of complex litigation including class action, unfair competition, false advertising, California Business and Professions Code §17200 and §17500 claims, antitrust, False Claims Act (Qui Tam actions), misappropriation of trade secrets, breach of fiduciary duty, environmental and insurance coverage disputes. John has first chair trial experience involving alleged violations of California's Unfair Competition Law, False Advertising Law and Consumer Legal Remedies Act. He has successfully defended consumer class actions brought under these acts by private parties and public entities.

John has also defended corporations in class actions alleging violations of state consumer privacy statutes as they relate to credit card transactions, including California's Song-Beverly Credit Card Act, Civil Code Section 1747.08.


  • National Coordinating Counsel for OTC Manufacturer sued in MDL litigation involving phenylpropanolamine (PPA)
  • National Counsel in defending antipsychotic medicine manufacturer in numerous state attorneys general cases
  • National Counsel role in defending mass tort litigation involving allegations of off-label promotion of antipsychotic medications
  • Regional counsel in defense of latex glove litigation
  • Regional counsel and trial counsel for automotive manufacturer in catastrophic injury and wrongful death cases
  • Regional counsel and trial counsel for industrial product manufacturer in catastrophic injury cases


Bar Admissions

  • California
  • Massachusetts


  • Boston College Law School, J.D., 1989, cum laude, Order of the Coif, Boston College Law Review
  • University of Notre Dame, B.A., Government and International Studies, 1986, magna cum laude

Court Admissions

  • U.S. Court of Appeals, First Circuit
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. District Court, Central District of California
  • U.S. District Court, Eastern District of California
  • U.S. District Court, Northern District of California
  • U.S. District Court, Southern District of California
  • U.S. District Court, District of Massachusetts


  • Association of Business Trial Lawyers
  • Defense Research Institute, Product Liability Section and Drug/Medical Device Section
  • International Association of Defense Counsel Trial Academy
  • Trial Attorneys of America