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Donald Ridge focuses his representation on international businesses and biotech, pharmaceutical, and medical device companies in addition to mass tort and class actions.

Don maintains relationships in more than 52 countries in many different industries and sectors. Those relationships involve US businesses seeking a broad range of business and legal assistance in foreign jurisdictions as well as foreign businesses seeking assistance in the United States.

Don’s pharmaceutical experience includes products for the treatment of conditions involving the cardiovascular system, mental health, blood, oncology, the endocrine system, infections, and orthopedics, and other medical products such as surgical tools, wheelchairs and defibrillators in matters alleging injuries from allergies to dermatological conditions to cardiovascular disorders to nervous system disorders. He routinely counsels these clients on litigation avoidance in many different areas, including clinical trials, sales representative practices and warnings.

Don has also represented clients on other product liability matters concerning such products as household goods, food, automobiles and automobile parts, manufacturing machinery, chemicals and solvents.

Don provides advice and counsel to employers on issues such as workplace policies, wage and hour compliance, internal complaints, employee discipline, leave issues, and investigations. Don has also trained employees on this and other areas. Don has also represented employers in unfair competition, trade secret, restrictive covenant cases, wrongful termination, discrimination and harassment.

Don’s complex commercial litigation experience ranges from contractual disputes to commercial fraud. He also has experience in copyright, trademark and other intellectual property matters.


Los Angeles, University of Southern California, Los Angeles, California, 1987
Los Angeles, Occidental College, Los Angeles, California, 1982


Named a Southern California Super Lawyer (2004, 2006-2018), a distinction honoring the top 5% of lawyers in the region


Defense Research Institute, Drug and Medical Device Subcommittee

American Bar Association

Los Angeles County Bar Association

State Bar Licenses


Court Admissions

U.S. Court of Appeals, 9th Circuit
U.S. District Ct., C.D. of California
U.S. District Ct., E.D. of California
U.S. District Ct., N.D. of California
U.S. District Ct., S.D. of California


  • Speaker, “Handling and co-ordinating claims in the US,” presented to Kennedys, October 5, 2016
  • Speaker, “US Courts & Recent Trends,” presented to insurance company in Zurich, Switzerland, 2012
  • Quoted, “Firm Maximizes International Relations” by Susan McRae, Los Angeles Daily Journal, January 4, 2011
  • Speaker, Hildebrandt Institute 8th Annual Practice Group Management Forum: New Models for Success, 2010
  • Speaker, “Cross the Pond Without Drowning – How to Staff and Conduct Global Clinical Trials,” Food, Drug & Healthcare MCLE Event, 2010
  • “Legal Issues Relating to Sales Force,” 2005