Steven R. Disharoon



201 1st Street
Suite 209
Petaluma, CA 94952
P (707) 559-6750
F (707) 559-6749

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The managing partner of WSHB’s Sonoma County office, Steve specializes in matters involving complex federal and state law, government and public entity issues, intellectual property, technology, transportation, and appeals. He represents a full spectrum of clients, from individuals and small businesses, to global technology companies and transnational corporations.

Steve is skilled at accurately assessing risk and recommending cost-effective strategies that best serve his clients’ interests. He prides himself on his communication skills, commitment to ethics, and high quality work-product. He has successfully resolved innumerable cases, whether through dispositive motions (and successful appeals), trial, or settlement.

In addition, Steve has negotiated, drafted, and counseled clients regarding countless contractual matters, including purchase/sale contracts, confidentiality agreements, and complex settlement agreements involving land use, environmental issues, employment, construction, bodily injury, civil rights issues, product liability, and intellectual property rights.

Whatever the legal issue, Steve is a diligent, passionate, and professional advocate who works tirelessly to obtain the best possible results for his clients.


University of San Francisco School of Law (J.D., 2010)

University of California, Santa Cruz (B.A., 2007)

Licensed to Practice in:

U.S. District Court, Northern District of California
U.S. District Court, Eastern District of California
U.S. District Court, Central District of California
U.S. Court of Appeals, Ninth Circuit

Practice Areas

  • Steve has handled over 30 appeals and writ petitions involving a wide range of legal issues, including constitutional law, personal injury, construction, intellectual property, contract enforcement, and statutory interpretation.
  • Defense of numerous auto, trucking, and public transportation cases, including through precedent-setting dispositive motion practice.
Commercial and Business Litigation
  • Successful handling of a wide range of business disputes, including state and federal claims for false advertising, unfair competition, contractual interference, and civil conspiracy.
  • Defense of property owners, farmers, developers, and other businesses and individuals against claims pertaining to environmental clean-up actions, nuisance, and related claims.
Complex Tort and Casualty
  • Defense of wide range of general liability cases, including personal injury, product liability, motor vehicle, and subrogation.
Intellectual Property
  • Defense of complex intellectual property disputes, including claims of copyright, trademark, and trade dress infringement.
Professional Liability
  • Defense of professionals in the legal, medical, and insurance industries against claims of malpractice and professional negligence.


Author, Pebley v. Santa Clara Opens the Door in California to Inflated Medical Damages Claims, May 11, 2018.

Author, Where the Legal Winds Are Blowing, CLM Construction Claims, June 15, 2018.

Author, Strategies for Restoring the Right to Repair Act by Challenging the Liberty Mutual and Burch Decisions, DRI Volume 18, Issue 4 (2014).

Author, Stafford Unified School District No. 1 v. Redding: a Missed Opportunity to Restore Fourth Amendment Rights to School Children, 44 U.S.F. L. Rev. 659 (2010).

Author, California’s Broken Parole System: Flawed Standards and Insufficient Oversight Threaten the Rights of Prisoners, 44 U.S.F. L. Rev. 177 (2009).

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Trial & Appellate Results

Robertson v. Larkspur Courts (2021) 1st App.Dist., Case No. A160942

Carter v. Clausen (2021) 4th App.Dist., Case No. G060213

Basile v. The Los Angeles Film School, LLC, et al. (9th Cir. 2020) 827 Fed.Appx. 649

Kinney v. Three Arch Bay Community Services District (9th Cir. 2020) 829 Fed.Appx. 273

Sazerac Company, Inc. v. Fetzer Vineyards, Inc. (9th Cir. 2019) 786 Fed.Appx. 662

Sawabeh International Group v. GenesisTP, Inc. (2019) 1st App. Dist., Case No. A151443

Robertson v. Larkspur Courts et al. (2018) 1st App. Dist., Case No. A152226

Sazerac Company, Inc. v. Fetzer Vineyards, Inc. (N.D. Cal. 2017) 265 F.Supp.3d 1013

Allen v. Amy’s Kitchen (2016) 1st App. Dist., Case No. A148194

Lamb v. San Francisco Electric Tour Co. (2015) 1st App. Dist., Case No. A142888

Darling v. Superior Court (2012) 211 Cal.App.4th 69

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