James A. Lassart

James Lassart

580 California Street
Suite 1100
San Francisco, CA 94104

Phone: 415.788.1900
Fax: 415.393.8087

1455 NW Leary Way
Suite 400
Seattle, WA 98107
Phone: 206.219.2008
Fax: 206.489.5101

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Primary Practice Areas

Business Law

Civil Litigation


Employment Law

Professional Liability

Real Estate

White Collar & Regulatory Defense


  • All courts of the State of California
  • District of Columbia
  • State of New York
  • State of Washington
  • Supreme Court of the United States
  • US Court of Appeals for the Armed Forces
  • US Court of Appeals for the Ninth Circuit
  • United States District Court for the State of California: Central, Eastern, Northern and Southern Districts
  • United States District Court of the State of New York: Eastern and Southern Districts
  • United States District Court of the State of Washington: Western District


  • J.D., University of San Francisco
  • B.A., Santa Clara University

James A. Lassart


Mr. Lassart's practice focuses on general business litigation, miscellaneous professional liability, legal malpractice, employment litigation, fraud, defense of actions involving the Civil Rights Act, white collar and regulatory defense, real estate, and construction.

Most recently, Mr. Lassart was managing partner of the San Francisco office of Ropers, Majeski, Kohn & Bentley. Prior to that, Mr. Lassart served 12 years as an Assistant District Attorney in San Francisco where he tried complex homicide cases followed by serving five years with the United States Attorney's office prosecuting organized crime.

While serving as an Assistant United States Attorney, Mr. Lassart was the Coordinator of the Northwest Region of The President's Organized Crime Drug Enforcement Task Force (OCDETF) supervising operations in the Northwestern United States and Hawaii. He is a seasoned trial attorney who has tried over 100 jury trials appearing in both state and federal courts.

In addition to his work with the firm, Mr. Lassart is a retired Brigadier General in the United States Army Reserve. In his last assignment as a General Officer he was responsible for the legal operations of the USAR Judge Advocate General Corp.


  • Mr. Lassart is a former member of the Board of Governors of the University of San Francisco, a former member of the Board of Directors of the California District Attorney's Association, and a former president of the San Francisco Municipal Attorney's Association.
  • He has been an instructor at Hastings College of the Law Trial and Advocacy Clinic in San Francisco and a lecturer and panelist for the California Continuing Education of the Bar.
  • Mr. Lassart is currently a co-author of a chapter of the CEB book on Criminal Law Procedure and Practice.
  • Mr. Lassart has served as an acting examiner for the State Bar in hearings to guarantee fitness of candidates for admission.
  • Mr. Lassart is Peer-Review Rated AV Preeminent by Martindale-Hubbell and has been selected as a Northern California Super Lawyer every year from 2005-2021.

Representative Matters

  • Haney v. Montesano, San Francisco Superior Court Case No.CGC-15-543642 - obtained a complete defense verdict in favor of defendant attorney and law firm.
  • Berger, et al. v. Varum, et al., San Francisco Superior Court Case Nos. CGC-07- 462479 and CGC-07- 462967 - Represented plaintiffs in a construction defect case of their home development and achieved a seven-figure verdict.
  • Ventura v. UC Regents, et al., United States District Court, Northern District of California Case No. CV-91- 3817-FMS - Represented UC Police Department in a federal trial in a § 1983 civil rights claim resulting in defense verdict.
  • USA v. Shabudin, United States District Court, Northern District of California Case No. CR-11- 664-JSW - Defense of bank officer of a failed bank in a 5 week trial.
  • USA v. Galanis, United States District Court, Southern District of New York Case No. CR-15- 643-PKC - Defense of counsel in a claim of conspiracy in a "pump and dump" scheme.

Professional and Community Contributions

  • American Bar Association (ABA)
  • American Board of Trial Advocates (ABOTA)
  • Associate of Certified Fraud Examiners
  • Bar Association of San Francisco
  • Edward J. McFetridge American Inn of Court
  • US Department of Justice, United States Attorney, Former Assistant
  • American Bar Foundation
  • University of San Francisco Alumni Association
  • The District of Columbia Bar Association
  • New York Bar Association

Selected Publications

Published Appellate Decisions

  • Vons Companies, Inc. v. Lyle Parks, Jr., Inc., 177 Cal.App.4th 823, Court of Appeals of California, Second District, Division Eight, August 17, 2009 - attorney-fee and cost dispute arising in the context of an assigned construction contract.
  • Parra v. City and County of San Francisco, 144 Cal.App.4th 977, Court of Appeals of California, First District, Division Two, November 13, 2006 - clarification of the statute of limitations under the Public Safety Officers Procedural Bill of Rights Act.
  • Regents of the University of California v. Superior Court, 41 Cal.App.4th 1040, Court of Appeals of California, First District, Division One, January 10, 1996 - primary assumption of risk doctrine applied to the sport of rock climbing.

Unpublished Appellate Decisions

  • Berger, et al. v. Varum, et al., 2015 WL 9412778, Court of Appeal, First District, Division 1, California, December 22, 2015 - Upheld the award of seven-figure judgment against engineer/architect.
  • Carmignani, et al. v. Paganini, et al., 2010 WL 4132611, Court of Appeal, First District, Division 3, California, October 21, 2010 — Upheld dismissal of clients granted in lower court.
  • ADEM, LLC, et al. v. Grewal, 2009 WL 4941987, Court of Appeal, Sixth District, California, December 22, 2009 — Upheld decision denying SLAPP motion based on likelihood of prevailing.
  • Carmignani, et al. v. Paganini, et al., 2007 WL 2697312, Court of Appeal, First District, Division 3, California, September 17, 2007 — Appeal and reversal on behalf of defendants after finding of liability on real estate non-disclosure.
  • McLachlan, et al. v. Simon, et al., 31 F.Supp.2d 731, United States District Court, N.D. California, July 23, 1998 — Defense of outside director resulting in Rule 12 dismissal of certain charges.
  • McCoy v. San Francisco, City & County, 14 F.3d 28, United States Court of Appeals, Ninth Circuit, January 7, 1994 — Defense of a police officer and reversal on appeal of a 42 USC § 1983 action ruling the running of the statute of limitations.
  • United States of America v. Moore, 607 F.Supp. 489, United States District Court, N.D. California, April 17, 1985 — Defense against the challenge of the Bail Reform Act of 1984.
James A. Lassart
Rated by Super Lawyers

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