Register of Experts Directory

Guy O. Kornblum

Guy O. Kornblum Esq

Guy O. Kornblum, A Professional Law Corporation

1388 Sutter Street, Suite 805
San Francisco, CA 94109
Phone: (415) 440-7800 ext 2 Alternate: (415) 730-3485 Fax: (415) 440-7898 Email: Website:


Practicing civil trial attorney and expert witness having extensive experience with issues concerning insurance claims handling and standard of care for civil trial counsel and lawyers handling civil litigation. He has qualified as an expert witness on issues pertaining to these subjects in both state and federal courts.


A.B.; JD.

Formal Education

Indiana University, A.B., 1961; University of California, Hastings College of the Law, J.D. 1966

Registration and Licenses

California & Indiana Law Practice

Previous/Current Position

Specialized as a trial and appellate lawyer for over 45 years and in a wide range of civil litigation, including serious injury, wrongful death, financial, physical elder abuse, medical and legal malpractice; All aspects of insurance including “bad faith” claims; Handled over 4000 litigated matters to conclusion, Represented small businesses, individuals, and large Fortune 500 corporations.


Certified in Civil Trial Law and Pretrial Practice Advocacy, National Board of Trial Advocacy; Fellow, American College of Board Certified Attorneys; National Trial Lawyers, Top 100 Trial Lawyer (Personal Injury, Insurance); Charter Fellow, Litigation Counsel of America Trial Lawyer; Named, "Best Lawyers," 2018-2019; Lifetime Member, Multi-Million Dollar Advocates Forum; Named, Northern California "Super Lawyer", 2006-2019

Prof. Affiliations

American Bar Association, Member; California and Indiana State Bar Association, Member; American Association for Justice, Member; Consumer Attorneys of California, Member; San Francisco Bar Association, Member; San Francisco Trial Lawyers Association, Member.


Negotiating and Settling Tort Cases: Reaching the Settlement (2018) Fourth Edition, published by the Thomson West Publishing Company and the American Association for Justice; Co-author of books on insurance law; Authored over 150 published articles on various topics, including trial strategy and settlement techniques.

Prior Expert

Testified in over 35 depositions and 20 trials as an expert witness.