Michael McNaughton

Michael B. McNaughton


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Trust and Estate Litigation
Trust and Estate Litigation
San Francisco

Michael is an experienced trial attorney who has effectively litigated cases involving a broad range of commercial matters. He has experience in contracts, corporate governance, complex antitrust litigation, unfair business practices, healthcare, eminent domain, real estate, probate and trusts. In addition to his trial work, Michael has briefed and argued several cases before the appellate courts. He is also an accomplished negotiator with extensive mediation experience.

Michael's commercial litigation matters include the defense of class actions and of multiple Section 17200 actions alleging unfair business practices. He has represented healthcare providers in antitrust actions involving claims of monopolization and unreasonable restraints of trade under both federal and state antitrust laws. He has represented corporate and individual clients in numerous breach of contract actions spanning multiple industries.

Michael's eminent domain work involves representing both public agencies and property owners in suits seeking to condemn real property. Michael represented the San Mateo County Transit District as the condemning authority in connection with several eminent domain actions arising out of BART's extension to the San Francisco Airport.

Michael's probate litigation practice includes representation of individuals and charities such as The Salvation Army, the University of California, KQED, Shriners Hospitals, and the San Francisco Conservatory of Music. He has litigated a dozen will and trust contests -- several through trial -- as well as contested petitions to interpret testamentary instruments, actions against trustees, and contested conservatorship proceedings.

Michael is a contributing author of California Trust and Probate Litigation for California Continuing Education of the Bar. He has written on will contests in the state bar's California Trusts and Estates Quarterly and has delivered numerous MCLE presentations on the subject.

Blog Posts

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"Pointing the Finger: Contractual Risk Transfers," USLAW Fall Conference (September 2017)

"Real Estate Divorces: When Co-Ownership No Longer Works," co-speaker, Hanson Bridgett Seminar (December 2016)

"Protecting Your Business Against Internet Defamation," co-speaker, Hanson Bridgett Seminar (August 2016)

“Escaping Wonderland: Businesses are Turning to Trade Secrets Protections in the Post-Alice World,” co-speaker, USLAW Network Exchange (June 2016)

"Probate Litigation," National Business Institute Probate Boot Camp (December 2015)

“Financial Elder Abuse/Undue Influence,” Legal Assistance for Seniors’ Elder Abuse Conference, UC Hastings School of Law (May 2014)

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Professional Affiliations

The Lawyers' Club of San Francisco, Board of Governors

Member of Edward J. McFetridge American Inn of Court

The Saint Thomas More Society

Bar Association of San Francisco

American Bar Association

Association of Business Trial Lawyers, Northern California


J.D., Order of the Coif, University of California, Berkeley Boalt Hall School of Law (1993)

B.A., University of San Francisco (1987)

Admissions And Courts


U.S. District Court for the Northern District of California

U.S. District Court for the Eastern District of California

U.S. District Court for the Central District of California

U.S. Court of Appeals for the Ninth Circuit

San Francisco

415-995-5085 Direct Phone
415-995-3510 Fax

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