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About me

     Jill Andrea Thomas has over 29 years’ litigation and appellate experience. Her areas of practice include complex civil litigation in a wide variety of areas including business and real estate litigation, employment litigation, professional liability, construction defect litigation, medical malpractice, personal injury, and insurance bad faith. She has successfully tried, arbitrated and mediated hundreds of cases.

     Ms. Thomas has successfully handled over 100 civil appeals and writs for over 25 years before the California Supreme Court and the Courts of Appeal throughout the State of California as well as the United States Supreme Court and federal circuit courts of appeals.

She has been certified as an appellate specialist by the State Bar of California Board of Legal Specialization since 2001.  Reported cases include Ridgley v.Topa Thrift & Loan Association (1998) 17 Cal.4th 970, an important Supreme Court decision concerning real estate prepayment penalties; First City Properties v. MacAdam (1996) 49 Cal.App.4th 507; People v. Wills (2000) 86 Cal.App.4th 383; and Shekhter v. Sunset Masonry & Concrete (2004) 121 Cal.App.4th 1055.

     Ms. Thomas was a research attorney for the Orange County Superior Court in 1982 and also worked as specially appointed appellate counsel for the California Appellate Project for the State of California from 1997 through 2001.

     Ms. Thomas graduated with honors from Immaculate Heart College where she was the recipient of the California State Scholarship and the Young Artists’ Award.  

     Ms. Thomas was admitted to the California Bar in 1980 and is also admitted to practice before the United States Supreme Court and the United States District Court for the Southern, Central, and Northern Districts of California. She is an active member of the Los Angeles County Bar Association, the Orange County Bar Association, and Women Lawyers Association of Los Angeles.



Languages spoken: French

Practice areas


  1. Appeals: 60%
    36 years, 150 cases
  2. Litigation: 40%
    36 years, 200 cases

Attorney endorsements

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Contact info

3 Hutton Centre Dr Ste 900
Santa Ana, CA, 92707


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Certified Appellate SpecialistState Bar of California Board of Legal Specialization2001
Young Artists' AwardImmaculate Heart College1972
California State ScholarshipState of California1968
Work experience
TitleCompany nameDuration
Senior AttorneyCallahan & Blaine2004 - Present
Senior AttorneyHollins, Shekhter2003 - 2004
Senior AttorneyVeatch, Carlson, Grogan & Nelson2001 - 2003
Sole ProprietorLaw Offices of Jill A. Thomas1996 - 2001
Senior AttorneyLewitt, Hackman, Hoefflin, Shapiro & Marshall1993 - 1996
AssociateO'Flaherty & Belgum1991 - 1993
AssociateGustlin, Golob & Bragin1986 - 1991
Associate AttorneyRoss, Fields, & Zaks1983 - 1986
Research AttorneyOrange County Superior Court1982 - 1983
AssociateLaw Offices of Richard L. Knickerbocker1980 - 1981
Association namePosition nameDuration
Orange County Bar AssociationN/A2004 - 2009
Southern California Defense CounselN/A2002 - 2005
California Women LawyersN/A1996 - 2003
Women Lawyers Association of Los AngelesN/A1996 - 2006
Los Angeles County Bar AssociationN/A1982 - 2006
American Bar AssociationN/A1982 - 1990
Legal cases
Case nameOutcome
Ridgley v. Topa Thrift & Loan (1998) 17 Cal.4th 970Supreme Court ruled in favor of my client
SHEKHTER V. SUNSET CONCRETE & MASONRYDismissal of negligence claim reversed
PEOPLE V. WILLSReversal in favor of my client
See all legal cases 
Publication nameTitleDate
National Institute of Municipal Law Officers (NIMLO)Municipal Aviation Law - Recent Developments1979
School nameMajorDegreeGraduated
Southwestern University School of LawLawJD - Juris Doctor1979
Immaculate Heart CollegeMusic (Performing)BA - Bachelor of ArtsN/A