Timothy M. Thornton, Jr.


Gray•Duffy, LLP

15760 Ventura Blvd.,
16th Floor
Encino, CA 91436










  • Loyola Law School (JD, 1982) Stanford University (BA, 1976)

Timothy M. Thornton, Jr.


Timothy M. Thornton, Jr. is a partner in the Encino office of Gray•Duffy, LLP. With more than 25 years’ experience, Mr. Thornton provides legal counsel on insurance-related matters, such as construction defects, employment matters, mass torts, toxic torts and exposures, and environmental contamination. He also handles matters in insurance coverage of intellectual property, entertainment claims, cyber liability, and sexual abuse claims against religious and other entities.

He has been named on the list of Southern California Super Lawyers since 2012; list of Best Lawyers in America© since 2012; as well as “AV” rated by his peers by Martindale-Hubbell.

Mr. Thornton is admitted to practice in California. He is a member of the Los Angeles County Bar Association, American Bar Association, Association of Southern California Defense Counsel.

Mr. Thornton obtained his Juris Doctorate degree in 1982 from Loyola Law School in Los Angeles, as well as his Bachelor’s Degree from Stanford University in 1976.

Professional Affiliations

  • California State Bar
  • Los Angeles County Bar Association
  • American Bar Association
  • Association of Southern California Defense Counsel

Other Bar Admissions

  • U.S. District Court, Central, Eastern, Northern, and Southern Districts
  • U.S. Court of Appeals, Sixth, Seventh, Eighth, Ninth and Tenth Circuits

Recognition and Awards

  • Best Lawyers in America© since 2011
  • Southern California Super Lawyers 2012-Present
  • AV® Preeminent™ Peer Review Rated by Martindale-Hubbell

Articles and Publications

  • “Claims Handling Conflicts”
    Published by: American Bar Association TIPS Insurance Institute
    May 2019
  • ‘Additional Insured Endorsements’ Can Shift Risk to Parties Not as Fault”
    Published by: Claims Journal
    April 2019
  • “Pre-Suit Duties of Insurers and Policyholders: Differing Judicial Constructions”
    Published by: ABA TIPS 27th Annual Insurance Coverage Litigation Midyear Conference
    February 2019
  • “Biometrics, Genetics, and Insurance Coverage”
    ABA TIPS TortSource: Vol. 20, No.3
    Spring 2018
  • “A Captive Must Act Like an Insurer”
    Published by: ABA TIPS Committee News – Self Insurers & Risk Managers Committee Newsletter
    Spring 2018
  • “A Tale of Two Refusals To Consent”
    Published by: ABA TIPS Excess, Surplus Lines And Reinsurance Committee Newsletter
    Fall 2017
  • “Legalized Marijuana and Insurance Law”
    Published by: American Bar Association TIPS ICLC Committee Newsletter
    Spring 2017
  • Co-Editor, Reasonable Expectations: Interpretign Insurance Policies in Common Law Jurisdictions
    American Bar Association, 2016
  • “Allocation of Indemnity in Advertising Injury Intellectual Property Cases”
    Published by: The Brief, Volume 42, Number 4
    Summer 2013
  • “Additional Insurance Procurement Issues”
    Published by: ABA TIPS Staff Counsel CommitteeNewsletter
    Fall 2012
  • “The Duty to Give Notice to Excess Insurers”
    Published by: The Brief, Volume 41, Number 2
    Winter 2012
  • “Patent Litigation and Advertising Injury Coverage”
    Published by: Risk & Insurance
    November 2011
  • “Indemnity Ambiguity”
    Published by: Law360 Insurance and Securities
  • “Is Liability Coverage for Negligent Hiring and Supervision No More?”
    Published by: Daily Journal
    August 2010

15760 Ventura Blvd., 16th Fl.
Encino, CA 91436

210 B Twin Dolphin Drive
Redwood City, CA 94065