
Business entities, including hospitals, medical centers, healthcare providers, national insurance carriers, and others all rely on Tom Watson’s extensive appellate experience in procedural, tort, contract, insurance, and health law issues (including MICRA).
Clients also benefit from Tom’s guidance regarding trial strategy, pre-and post-trial motions, and frank assessments concerning the likelihood of securing appellate and/or writ relief.
Tom is a partner at the firm, where he has practiced since 1992. He has been a California State Bar Certified Appellate Specialist since the first year the State Bar offered that certification in 1996. Tom edits and updates the firm’s MICRA Manual and its Evidence Code section 1157 Manual, and has prepared the health law appellate updates for both the California Society for Healthcare Attorneys and the Health Law Committee of the California Lawyers Association Business Law section since 2014. From 2007 to 2012 he prepared the insurance law appellate updates for the Insurance Law Committee of the California State Bar Business Law Section. Tom has extensive experience litigating before the California Supreme Court as appellate counsel for both parties and amici curiae, and has worked on numerous cases in the California Court of Appeal, the Ninth Circuit Court of Appeals, and appellate courts in other jurisdictions. Tom publishes and presents extensively on numerous areas of the law, including appellate procedure, medical expense damages, health law, and insurance law.
Representative Matters
Abbassi v. UC Regents (2025)
California Court of Appeal affirms summary judgment for The UC Regents in litigation alleging discrimination and harassment.
Read MoreDrost v. Sheridan (2025)
California Court of Appeal affirms application of MICRA to reduce damages award against chiropractor from $29.5 million to $250,000.
Read MoreWard v. Billinglsey (2025)
California Court of Appeal affirms defense judgment after plaintiff claims discrimination in jury selection.
Read MoreCharlie L. v. Kangavari (2025)
California Court of Appeal publishes opinion holding that a statute providing procedural safeguards for ER surgeons against medical malpractice claims also protects other physicians who consult remotely with the ER department.
Read MorePatterson v. College Medical Center (2024)
Horvitz & Levy successfully secures writ relief protecting medical center from discovery order compelling it to release psychiatric patients’ contact information.
Read MoreLaMarr v. UC Regents (2024)
Horvitz & Levy successfully defends judgment in favor of The UC Regents in an employment case involving an employee who voluntarily transferred to a lower-ranked position to avoid facing possible termination.
Read MoreWaszczuk v. UC Regents (2023)
Horvitz & Levy successfully defendant a summary judgment entered in favor of the UC Regents against a vexatious litigant.
Read MoreAlSayyad v. The Regents of The University of California (2023)
California Court of Appeal affirms summary judgment in favor of employer based on lack of evidence of discriminatory motive for employee’s three-year suspension.
Read MoreSmith v. Clovis Community Medical Center & Smith v. Gade (2022)
California Court of Appeal affirms summary judgment on MICRA statute of limitation grounds.
Read MoreFranklin v. Santa Barbara Cottage Hospital (2022)
Horvitz & Levy successfully defends summary judgment for hospital in medical malpractice action on actual and ostensible agency grounds.
Read MoreAlvarado v. Wilson (2022)
California Court of Appeal affirms trial court ruling that eliminated punitive damages claim in medical malpractice case.
Read MoreDitlevsen v. Pedersen (2021)
California Court of Appeal holds that Horvitz & Levy’s client is responsible for only a small fraction of plaintiff’s damages.
Read MoreMann v. The Regents of the University of California (2021)
Court of Appeal affirms judgment on FEHA claims for the UC Regents, finding no error or prejudice in verdict form or jury instructions
Read MoreBlas v. U.S. Sports Camps (2019)
Court of Appeal affirms summary judgment for American Golf Corporation in personal injury case
Read MoreKaur v. Broadbase (2018)
Horvitz & Levy obtains dismissal of appeal in wrongful death suit.
Read MoreDhillon v. John Muir Health (2018)
California Court of Appeal reverses order requiring formal peer review of hospital medical staff's discipline of physician.
Read MoreDhillon v. John Muir Health (2017)
California Supreme Court resolves important administrative law issue, reversing dismissal of hospital’s appeal in staff privileges case
Read MoreCuevas v. Contra Costa County (2017)
California Court of Appeal requires retrial of future medical expense claim to permit evidence of Medicaid and Affordable Care Act benefits
Read MoreAcqua Vista v. MWI, Inc. (2017)
California Court of Appeal reverses $24 million judgment against pipe supplier in construction defect case
Read More24 Hour Fitness USA, Inc. v. Superior Court (2016)
Court of Appeal reverses denial of summary judgment for fitness center
Read MoreGopal v. Kaiser Foundation Health Plan (2016)
California Court of Appeal rejects enterprise liability theory and affirms summary judgment in favor of health insurer in wrongful death case
Read MoreHaynes v. Kim (2016)
California Court of Appeal affirms defense verdict for corporation in auto accident case, rejecting agency theory
Read MoreBurdick v. Superior Court (Sanderson) (2015)
California Court of Appeal holds that out-of-state resident’s Facebook post about California resident does not necessarily create personal jurisdiction in California.
Read MoreEl-Attar v. Hollywood Presbyterian Medical Center (2013)
California Supreme Court unanimously reverses Court of Appeal regarding hospital procedures for reviewing adverse action on doctor’s application for staff privileges.
Read MoreSingh Educational Services v. Blueprint Test Preparation LLC (2013)
Court of Appeal rejects competitor’s attempt to shut down test preparation company in alleged theft of trade secrets action.
Read MoreBurlington Coat Factory v. Bella Terra Associates (2011)
California Court of Appeal upholds landlord’s interpretation of novel lease provision.
Read MoreNorthrop Grumman Corp. v. Factory Mut. Ins. Co. (2008)
Ninth Circuit rules for insurer in dispute over insurance coverage for $1 billion in storm surge flood damage caused by Hurricane Katrina.
Read MoreCredentials
Education
- University of California, Los Angeles, School of Law
J.D., Order of the Coif, 1992 - Pepperdine University
M.B.A., 1988 - University of Idaho
B.S., summa cum laude, 1982
Bar Admissions
- California
- U.S. Supreme Court
- U.S. Court of Appeals, Ninth Circuit
Professional Associations
- Los Angeles County Bar Association, Appellate Courts Section Executive Committee (2021-present), Delegate to California Conference of Bar (2020-present), Appellate Courts Section (2012-present), Appellate Courts Committee (1994-2012)
- DRI
- Association of Southern California Defense Counsel
- Association of Defense Counsel of Northern California
- Bar Association of San Francisco
- Conference of Insurance Counsel
- California Society for Healthcare Attorneys (H. Thomas Watson and Peder Batalden co-author the CSHA appellate litigation update bulletins and present a review of appellate healthcare decisions at the CSHA Annual Meeting)
- California State Bar/California Lawyers Association, Business Law Section: Amicus Committee: Member (2018-present); Health Law Committee: Member (2013-2017), Chair (2015-2016), Litigation and Publications Vice-Chair (2016-2017); Insurance Law Committee: Member (2009-2012), Vice-Chair (2009-2010), Co-Chair (2011-2012); Litigation Section: Member (2015-present)
- The Federalist Society
Awards
- Highest Possible Rating in Both Legal Ability & Ethical Standards (2022) Martindale Hubbell
- “AV Preeminent” rated by Martindale Hubbell
- Listed in ALM’s “Top Rated Lawyers” section for Appellate Attorneys
- Super Lawyers (2009-2025)
- Best Lawyers (2010-2024)
Publications
- Appellate Case Summaries (Spring 2025) California Health Law News, Vol. XXVIII, Issue 2, p. 8
- Appellate Case Summaries (Winter 2025) California Health Law News, Vol. XXVII, Issue 1, p. 8
- Appellate Case Summaries (Fall 2024) California Health Law News, Vol. XXVI, Issue 3, p. 7
- Appellate Case Summaries (Spring 2024) California Health Law News, Vol. XXVI, Issue 1, p. 29
- Appellate Case Summaries (Fall 2023) California Health Law News, Vol. XXV, Issue 3, p. 17
- Appellate Case Summaries (Summer 2023) California Health Law News, Vol. XLVI, Issue 2, p. 41
- Current California law on ostensible agency in the hospital setting (July. 05, 2023) Daily J., Top Health Care Lawyers, p. 18
- Appellate Case Summaries (Winter 2023) California Health Law News, Vol. XXV, Issue 1, p. 48
- Appellate Case Summaries (Fall 2022) California Health Law News, Vol. XLIV, Issue 2, p. 28
- AB-35 makes historic amendments to MICRA statutes (Nov. 11, 2022) Daily J.
- Antitrust Actions Against State Regulatory Boards Are Becoming More Common (November 2022) Health Law Connections, American Health Law Association
- Medicaid Liens and Gallardo (October 2022) Health Law Connections, American Health Law Association
- Lien Service Medical Care Is Potentially Actionable Insurance Fraud (Summer 2022) Verdict Magazine, Association of Southern California Defense Counsel, Vol. 2, p. 28
- Health Law Committee 2021 Appellate Litigation Update (July 2022) California Lawyers Association, Buisness Law News, Issue 2, p. 09
- Appellate Case Summaries (Spring 2022) California Health Law News, Vol. XLIII, Issue 1, p. 29
- Appellate Case Summaries (Summer 2021) California Health Law News, Vol. XLII, Issue 1, p. 24
- Colorado Supreme Court Decides Collateral Source Rule Does Not Apply in Workers’ Compensation Subrogation Claim Cases (June 24, 2021) Washington Legal Foundation, Legal Backgrounders
- Appellate Case Summaries (Spring 2021) California Health Law News, Vol. XLI, Issue 1, p. 16
- Staying Enforcement of a Money Judgment on Appeal, California Litigation, Volume 34, No. 1, 2021
- Appellate Case Summaries (Fall 2020) California Health Law News, Vol. XL, Issue 3, p. 16
- Colorado Supreme Court Appears Unlikely to Resolve Question On Appropriate Measure of Medical Damages Personal-Injury Plaintiffs Can Recover (September 29, 2020) Washington Legal Foundation, Legal Pulse
- Appellate Case Summaries (Spring 2020) California Health Law News, Vol. XXXIX, Issue 2, p. 18
- Appellate Case Summaries (Winter 2020) California Health Law News, Vol. XXXIX, Issue 1, p. 29
- In Scholle, Colorado Supreme Court Should Clarify Collateral Source Rule’s Application to Medical Expense Damages (March 6, 2020) Washington Legal Foundation, Legal Backgrounder
- Appellate Case Summaries (Fall 2019) California Health Law News, Vol. XXXVIII, Issue 2, p. 33
- Appellate Case Summaries (Spring 2019) California Health Law News, Vol. XXXVIII, Issue 1, p. 20
- Appellate Case Summaries (Fall 2018) California Health Law News, Vol. XXXVII, Issue 1, p. 24
- Appellate Case Summaries (Fall 2017/Winter 2018) California Health Law News, Vol. XXXVI, Issue 1, p.
- Questioning CACI: Especially When Medical Expense Damages Are at Issue (Vol. 1, 2018) Verdict, p. 17
- Annual Health Law Review for 2017 (June 2018) Business Law News, Annual Review 2018
- Annual Health Law Review for 2016 (June 2017) Business Law News, Annual Review 2017
- California’s Medical-Injury Compensation Law Provides a Model for Federal Tort Reform (May 5, 2017) Washington Legal Foundation, Legal Backgrounder
- Defending Against Claims for Future Medical Expense Damages (Vol. 1, 2017) Verdict, p. 17
- Federal Tort Reform Of Med Malpractice Actions Is Likely (Dec. 18, 2016) Law360
- Appellate Case Summaries (Fall 2016) California Health Law News, Vol. XXXIV, Issue 3, p. 33
- Case Summaries (Summer 2016) California Health Law News, Vol. XXXIV, Issue 2, p. 26
- Health Care Law Legislation and Litigation Update for 2015: California Health Law Continues to Evolve at a Rapid Pace(June 2016) Business Law News, Annual Review 2016
- Case Summaries (Summer/Fall 2015) California Health Law News, Vol. XXXIII, Issue 3, p. 22
- Using Statistics to Determine Whether Causation is Adequately Proven in Medical Malpractice Actions Involving Multiple Events Preceding the Injury (June 2015) Business Law News, Issue 2
- Healthcare Litigation Update, Presented by H. Thomas Watson and Peder K. Batalden (April 18, 2015) CSHA Annual Meeting and Spring Seminar, Huntington Beach, California
- Case Summaries (Winter 2015) California Health Law News, Vol. XXXIII, Issue 1, p. 24
- Federal Health Insurance Mandates and the Impending Upheaval of the Collateral Source Rule (Jan. 29, 2015) Washington Legal Foundation, Contemporary Legal Note, Number 76
- Developments in California Health Care Law in 2014 (2015) Business Law News, Annual Review, p. 49
- New Calif. Appeal Bond Rules Correct Outdated Process (Sept. 10, 2014) Law360, New York
- California Health Care Legislation and Litigation in 2013: Another Year of Major Reform (2014) The State Bar of California, 2014 Annual Review, p. 24
- Trade Secret Misappropriation Damages, and The Underused “Head Start” Doctrine Defense (Vol. 2, 2013) Verdict, p. 17
- Health Law Committee Annual Report On Developments In California Health Care Law – 2012 (2013) The State Bar of California, 2012 Annual Review, p. 23
- Developments in California Insurance Law (2012) The State Bar of California, 2011 Annual Review, p. 48
- PPAC and Its Possible Effects on Medical Expense Tort Damages (Oct. 2011) Medical Malpractice Law & Strategy, Vol. 29, No. 1
- Federal Health Care Law May Reduce or Eliminate Future Medical Expense Tort Damages (Sept. 2011) Medical Malpractice Law & Strategy, Vol. 28, No. 12
- Developments in California Insurance Law (2011) The State Bar of California, 2010 Annual Review, p. 39
- Using the Patient Protection and Accountable Care Act to Limit Future Medical Expense Damages (March 22, 2011) Daily J., p. 5
- Developments in California Insurance Law (2010) The State Bar of California, 2009 Annual Review, p. 11.
- Determining Whether Medical Causation Is Established Using Statistical Analysis (Feb. 2010) Law Journal Newsletters
- No “Implied Waiver” of the Attorney-Client Privilege (1st Quarter 2009) Verdict p. 15
- 2 Cal. Civil Writ Practice (Cont.Ed.Bar 4th ed. 2008) Review of Court of Appeal’s Action on Writ Petition, ch. 25, pp. 663-680
- Developments in California Insurance Law The State Bar of California, 2008 Annual Review (2008), p. 13.
- Medical Discounts and the Collateral Source Rule (May 2007) Medical Malpractice Law & Strategy, Vo. 24, No. 8, p. 1
- Developments in California Insurance Law The State Bar of California, 2007 Annual Review (2007), p. 15.
- The Ethics and Legality of Jury Investigations (1st Quarter 2006) Verdict p. 38
- The E-Signature Act: A Promising Development for Insurers (3d Quarter 2001) Verdict p. 14
- Lost Chance of Survival: Beating the Odds (Dec. 2000) Medical Malpractice Law & Strategy, Vol. 18, No. 2
- Bad Enough to Punish: The Application of the Reprehensibility Guidepost in Punitive Damages Cases After BMW v. Gore (Fall 1998) 49 Fed’n of Ins. & Corp. Couns. Q.
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