Hon. Marie S. Weiner (Ret.)

Profile

With an illustrious judicial career spanning over two decades, Hon. Marie Weiner has made a profound impact on California’s legal system, particularly in civil litigation. Her work has been marked by an unwavering commitment to fairness, judicial efficiency, and legal excellence. Judge Weiner served on the Superior Court of San Mateo County from 2002 until her retirement in 2024. During this time, she gained recognition as a dedicated and effective leader, notably in the field of complex civil litigation, where she served as Complex Civil Litigation Judge for 12 years, and was instrumental in managing multi-party, high-stakes litigation.

Now focusing on arbitration and discovery referee assignments, Judge Weiner brings a disciplined, methodical approach to dispute resolution. She encourages the phased use of discovery tools to streamline proceedings and reduce costs, ensuring fair and efficient proceedings. Her dedication to civil trial efficiency and background in business provides her with a strong foundation for handling a wide variety of disputes including those involving employment, intellectual property and trade secrets, insurance coverage and bad faith, securities litigation, construction defect, consumer fraud, personal injury, class actions, and contract and partnership issues.

Judge Weiner is known for her judicial insight in complex civil litigation, civil trials, evidence, and discovery disputes. Her common sense, pragmatic approach is balanced with compassion, stemming from her life experiences. Known for her organized and solution-focused handling of cases, she is respected for her commitment to professionalism and judicial integrity. Having started her career representing clients facing difficult situations, she remains attuned to the personal impact of litigation.

Appointed to the Superior Court of San Mateo County in 2002, Judge Weiner quickly distinguished herself as a formidable presence on the bench, deeply committed to championing efficiency, ensuring equitable outcomes for all litigants, and modernizing the court system by revamping the civil division from a Master Calendar system to a single judge assignment system. Tasked with adjudicating some of the county’s most multifaceted and high-stakes cases, she demonstrated a profound understanding of both the technical intricacies and the human implications inherent in complex civil disputes. Her exceptional journey has been defined not only by her legal acumen but also by her ability to transform multifaceted legal issues into understandable, actionable judgments that resonate with litigants and attorneys alike.

Before her appointment to the bench, Judge Weiner built a career as an attorney in private practice, where she honed her litigation skills on a wide range of cases and gained invaluable trial experience. She later became a partner of her law firm and quickly established herself as a skilled litigator in civil cases. Her work there included high-profile litigation and significant jury trials, solidifying her reputation as a sharp legal mind and a tenacious advocate for her clients.

As she continues her work in arbitration and dispute resolution, Judge Weiner brings a wealth of knowledge, a reputation for fairness, and a legacy of dedication to justice. Her commitment to excellence, combined with her openness to innovation and sensitivity to the needs of litigants, make her an exceptional arbitrator and referee across a diverse spectrum of civil disputes.

AREAS OF EXPERTISE

  • Labor and Employment
  • Intellectual Property and Trade Secrets
  • Business, Contract and Partnership Disputes
  • Insurance Coverage and Insurance Bad Faith
  • Securities Litigation and Shareholders Derivative Actions
  • Construction Defect and Property Damage
  • Consumer Fraud
  • CEQA
  • Personal Injury, Product Defect and Mass Tort
  • Class Actions

Education

  • University of California, Hastings College of Law, J.D. 1983
  • University of San Francisco, B.S. Business Administration 1980
    Cum laude, Honors in Humanities

JUDICIAL EXPERIENCE

  • Superior Court Judge, San Mateo County, California, 2002-2024
  • Civil Supervising Judge, 2015-2023
  • Complex Civil Litigation Judge, 2010-2024
  • Civil Litigation Judge, 2022-2024
  • CEQA Environmental Law Judge, 2004-2024
  • Central Branch Supervising Judge, 2010-2012
  • Appellate Division, 2006-2009
  • Civil Law & Motion Judge, 2006 and 2008
  • Case Management Judge, 2007
  • Drug Court Judge, 2003-2005
  • Trial Judge, 2002-2005, 2007, 2009

PROFESSIONAL EXPERIENCE

  • Cotchett Pitre & McCarthy, Burlingame, California
    Partner, 1991-2002
    Associate Attorney, 1986-1990
  • Milberg Weiss Bershad Specthrie & Lerach, San Diego, California
    Associate Attorney, 1984-1986

HONORS

  • California Judges Association, President’s Award 2012: The highest honor from the CJA, awarded for exceptional service and leadership.
  • San Mateo County Trial Lawyers, Judge of the Year 2009: Acknowledgment of judicial excellence and commitment to fair and just proceedings.

ADMISSIONS

  • State Bar of California, December 1983
  • United States District Court, Northern District of California 1983; Southern District of California 1984; Central District of California 1985; Eastern District of California 1990
  • Ninth Circuit Court of Appeals 1992
  • United States Supreme Court 1989

JUDICIAL PROFESSIONAL MEMBERSHIPS AND COMMITTEES

  • California Judges Association, 2003-2024
    Secretary/Treasurer, 2010-2012
    Executive Board, 2009-2012
    Nominations Committee, 2015
  • San Mateo County Bar Assn., Professional Equality Committee 2022-2023
  • Association of Business Trial Lawyers, Northern California, 1993-2023
    Board of Directors, 2004-2006, 2016-2023
  • California Women Lawyers, 1987-2023
  • Judicial Council of California, Advisory Committees, 2009-2018
    CJER Civil Law Curriculum Committee, 2015-2018
    Civil and Small Claims Advisory Committee, 2009-2015

SPEAKING ENGAGEMENTS

  • Panelist, Assn. of Business Trial Lawyers, PAGA Litigation, 2022
  • Panelist, Women in Securities, From the Podium to the Bench, November 2022
  • Panelist, CJER, Electronic Civil Discovery, Education Video Lecture, 2019
  • Panelist, CJER, Pretrial Orders, Education Video Lecture, 2018
  • Panelist, CJER, Civil Law Institute, Complex Motions, September 2018.
  • Panelist, CJER, Civil Law Institute, Jury Instructions, September 2018.
  • Panelist, California Lawyers Association, Real Property Law Section, Navigating the Challenges and Problems Facing ADR, April 2018.
  • Panelist, 2017 Complex Courts Symposium, High Tech Employee Turnover/Poaching: Are Trade Secrets Secret?, October 2017.
  • Panelist, 2016 Complex Courts Symposium, Complex Case Management, November 2016.
  • Panelist, Consumer Attorneys of California, Masters Seminar: Effective Use of Discovery in Preparation for Trial, September 2016.
  • Speaker, San Mateo County Bar Assn., SLAPP – Recent Developments and the Judicial Perspective, March 2014.
  • Panelist, CJER, Trial Court Judicial Attorneys Institute, Complex Civil Litigation for Non-Complex Attorneys, February 2014.
  • Panelist, Consumer Attorneys of California, Annual Class Action Seminar, The Importance of Class Actions – Perspectives From the Bench, February 2014.
  • Panelist, San Mateo County Bar Assn., Drafting Enforceable Employee Restrictive Covenants, June 2013.
  • Panelist, CJER, Civil Law Institute, Taming the Complex Case in Times of Adversity, March 2013.
  • Panelist, Los Angeles County Bar Assn., Complex Courts Symposium, The XYZs of Complex Litigation, November 2012.
  • Panelist, Bar Association of San Francisco and Association of Business Trial Lawyers, Complex Courts Symposium, Discovery in the Complex Courts, November 2011.
  • Panelist, Los Angeles County Bar Assn., Complex Courts Symposium, E-Discovery Issues and Philosophies, November 2010.
  • Panelist, San Mateo County Bar Assn., Path of the Female Associate – Surviving the Profession, March/April 2009.
  • Panelist, Association of Defense Counsel of Northern California, ADCNC Basic Training Series, Law and Motion Practice and Motions for Summary Judgment, September 2008.
  • Speaker, San Francisco Trial Lawyers Assn., Women’s Caucus Panel, What I Have Learned Since I’ve Been on the Bench, May 2008.
  • Panelist, San Mateo County Superior Court Multi-Option ADR Project, How to Be Effective in Judicial Arbitration, September 2007.
  • Panelist, American Bar Association, Tort Trial & Insurance Practice Section, Beyond PowerPoint, October 2005.
  • Panelist, Bar Association of San Francisco, Careful with Your Pillow Talk: Creating and Preserving the Privilege between Debtors, Committees and Their Professionals, April 2005.
  • Panelist, California Women Lawyers, So, You Want To Be A Judge?, October 2004.
  • Panelist, State Bar of California, Antitrust and Unfair Competition Law Section, Evolving Issues in Unfair Competition Law: Know Your Playing Field, May 2004.
  • Panelist, Association of Business Trial Lawyers, From Trial Lawyer to Trial Judge, February 2004.
  • Panelist, San Mateo County Bar Assn., Eliminating Bias in the Courtroom, January 2004 and January 2008.
  • Speaker, Glasser LegalWorks, Directors and Officers in the Spotlight: Liability, Indemnification and Insurance, “Director and Officer Derivative Liability Under State Law: The California Judicial Perspective”, October 2003.

PUBLICATIONS

  • Articles Author, The Importance of Mentoring Junior Trial Attorneys, Assn. of Business Trial Lawyers, 2023-2024
  • Contributing Author and Contributing Editor, Deskbook on the Management of Complex Civil Litigation, LexisNexis and Judicial Council of California, 2010-2015.
  • Consultant, California Judges Benchbook: Civil Proceedings, DISCOVERY (Second Edition) and AFTER TRIAL (Second Edition) CJER and Westlaw, 2010-2015.

Representative Cases

CEQA (CALIFORNIA ENVIRONMENTAL QUALITY ACT)

  • Court Trial on Petition for Writ under CEQA, seeking to stop billionaire from tearing down a historic residential mansion in order to build a modern residential mansion. Dispute arose when Environmental Impact Report concluded that demolition of the existing historic residence would result in significant impact on the cultural resources of the state, and that alternatives were feasible, yet the Town Council adopted a resolution granting a demolition permit. Case presented issue of first impression under CEQA as to whether the refusal of the property owner to update the existing residence, or do anything other than build a new modern residence, makes the alternatives “infeasible”. Also issue of first impression under CEQA on economic feasibility on the basis of cost, where the property owner refused to submit plans for the new residence before tearing down the historic residence. Trial Court decision upheld on appeal.
  • Presided over pretrial proceedings and court trial arising from dispute over seawall to protect existing residential homes built along sea cliffs.
  • Served for 20 years as designated CEQA Judge for San Mateo County Superior Court.

CLASS ACTIONS / CONSUMER CASES

  • Presided over lengthy court trial of class action by consumer loan borrowers against subprime lender, claiming these consumer loans charged unconscionable interest rates in violation of statute.
  • Presided over pretrial proceedings and phased court trial in class action by persons who rented their personal vehicles through the defendant company, like a private car rental company. Consumer fraud alleged based upon representations that company had insurance coverage if a customer damaged the personal vehicle, which was not true, and claims for property damages were declined.
  • Presided over pretrial proceedings in class action arising from privacy data breach.
  • Please see Labor and Employment, Securities Litigation class actions.

CONSTRUCTION DEFECT & PROPERTY DAMAGE

  • Over the years, presided over pretrial and trial proceedings in multiple different cases by homeowners, alleging claims for construction defect in building and design of new multi-million-dollar residences, brought against seller, subcontractors, suppliers, and/or realtors. Most cases settled, but some proceeded to jury trial, and some were subject to court trial.
  • Presided over six consolidated actions for property damages caused by a landslide near the coast. Alleged that leaks in a water main line resulted in a landslide damaging multiple residential properties, causing multi-millions of dollars in damages.
  • Presided over construction defect case involving renovation of a bank into a restaurant. Issues of contractor’s refusal to finish, property owner’s claim of defect, and general contractor’s failure to pay subcontractors.
  • Presided over pretrial proceedings and court trial by purchaser of a new residence sold by individual who repeatedly engaged in purchase of a single property, building of a new residence, and then “flipping” the house. Key issue in phase one trial was whether the seller was a “builder” under SB800. Key issue in phase two trial was construction defects and damages. Case settled on appeal.

CONTRACT DISPUTES

  • Presided over six-week jury trial on claims for breach of contract and breach of the covenant of good faith and fair dealing. This was a multi-million-dollar contract dispute between the manufacturer of aircraft rescue and firefighting vehicles and the airport that contracted to purchase four specially designed airport fire trucks. After taking delivery of two trucks, the airport claimed that they were defective, refused to pay for the remaining ordered fire trucks, and demanded the return of its money. The manufacturer sued, and the airport cross-claimed. After summary adjudication on some claims and jury verdict on others, the decisions were upheld on appeal, except for reconsideration regarding attorney’s fees award.
  • Presided over three-week court trial where homeowner sought to stop the foreclosure of personal residence against a loan shark seeking to collect on an allegedly usurious loan.

INSURANCE COVERAGE & BAD FAITH

  • Presided over pretrial proceedings and jury trial on claims of insurance bad faith for failure to pay under a homeowner’s insurance policy for water damages ultimately resulting in mold infestation. Defense claimed that coverage was excluded under the policy.
  • After settlement of a shareholders’ class action arising from a corporate acquisition, the corporation sued its Directors & Officers Liability insurance carriers (involving multiple layers of coverage) for reimbursement of the settlement funds. Presided over pretrial proceedings and court trial, with the key issue being the “Bump-up” provision. Case settled while on appeal.
  • Handled cases, including pretrial and trial proceedings, involving insurance coverage claims and insurance bad faith claims regarding Directors & Officers Liability insurance policies.
  • Presided over pretrial and trial proceedings on claims by and between insurance carriers on uses of duty to defend, duty to indemnify, equitable indemnity, and equitable contribution.

INTELLECTUAL PROPERTY & TRADE SECRETS

  • Presided over 30-day court trial on claim of misappropriation of trade secrets. The trade secret “product” was a software algorithm. Start-up company entered into a memorandum of understanding with large foreign company for product’s development and commercialization. Instead, the large foreign company usurped this concept, and filed U.S. patents thereon; thus, allegedly precluding any further use or sale of the concept product by the start-up company for itself or others. Case presented issues of first impression on proof and specificity of misappropriation of trade secrets and what can constitute a protectable “trade secret”. Trial court decision upheld on appeal.
  • Presided over three-month jury trial, in multi-million-dollar dispute between Japanese pharmaceutical company and a Swiss pharmaceutical company for the tort of intentional interference with contractual relations with a California FDA-approved drug testing company. Defendant developed and sold the only FDA-approved drug for treatment of a deadly pulmonary condition. Plaintiff had an existing drug approved for treatment of another disease, and was now working to obtain FDA approval for use of that existing drug for the treatment of that same deadly pulmonary condition. This required human trials of the drug in the United States in order to get FDA approval. Defendant purchased the US testing company and stopped all FDA drug trials of Plaintiff’s product. Presented issue of first impression as to whether one can be held liable for the tort of intentional interference, or whether liability is extinguished, where the defendant acquires a corporate party to the subject contract. Jury and court trial decisions upheld on appeal.

LABOR & EMPLOYMENT

  • Presided over lengthy court trial in class action by employees of a casino regarding tip sharing with supervisors and owner.
  • Presided over pretrial proceedings in related class action and PAGA action brought on behalf of employees of airport food service company.
  • Over the years, presided over pretrial proceedings in multiple separate class actions and PAGA actions on behalf of restaurant employees claiming violation of Labor Code for failure to give or pay for rest periods, and failure to give or pay premium for missed/interrupted meal breaks.
  • Presided over pretrial and court trial proceedings in case involving employees’ claims alleging violation of Labor Code provisions pertaining to commission contracts, brought pursuant to PAGA, against nationwide technology company. Sales employees alleged that high-tech corporate employer had a pattern and practice of (1) failure to disclose commission rates until after the employee started employment, (2) unilaterally revising commissions after sales transactions (resulting in lower commissions), (3) unreasonably delaying payment of commissions, and (4) unilaterally engaging in “clawed back” commissions from prior sales by reducing salaries. Matter proceeded in phases, with two court trials conducted.
  • Presided over pretrial proceedings and court trial by spa employees, under PAGA, as to whether their compensation plan was a legal piecemeal method or an unlawful failure to pay minimum wages.
  • Over the years, presided over pretrial proceedings and court trials in multiple separate class actions and PAGA actions on behalf of retail store employees claiming violation of Labor Code for failure to pay for rest periods, and failure to give or pay premium for missed/interrupted meal breaks.

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PARTNERSHIP DISPUTES

  • Presided over pretrial proceedings and multi-week court trial in case arising from oral agreements to entered into partnerships to develop multi-player online games. One party financed the endeavor, and the other party had the ideas and performed all operations of the business. When the effort did not result as expected, the financial partner usurped the business opportunities and sued for return of all funds, asserting that it was a loan and not an investment or a partnership.
  • Presided over multi-week court trial in case arising from oral agreement to create a business enterprise. Upon its success, one partner cut out the other partner and refused to share profits as agreed. Court Trial decision upheld on appeal.
  • Presided over pretrial proceedings and multi-month court trial arising from spotty oral and written agreements between parties to form and operate a business enterprise to develop, manufacture, and sell medical implant devices. Lawsuit by one partner against the other partner, who served as CEO and controlled all operations, for breach of fiduciary duty and related claims that the CEO used company assets, company personnel, and company funds for his own personal needs and side-deals for his personal benefit, and claims seeking to remove the CEO as an officer and director.
  • Handled case involving partnership dispute between group of California medical doctors and a national healthcare provider. Settled before trial.

PERSONAL INJURY, PRODUCT DEFECT & MASS TORT

  • Presided over nine consolidated cases for wrongful death or personal injury arising from a fire that occurred in the passenger section of a limousine while crossing a bridge. As part of a bridal shower event, nine women were passengers in a limo, that was 14 years old, when it caught fire under the floorboard and blocking the only exit doors. Abandoned by the driver, the women franticly attempted to squeeze out, one by one, through the small sliding window between the driver’s area and the passenger compartment. Some of the women did not make it out, and died of smoke inhalation and fire. Survivors and families of decedents sued on claims of product liability and negligence against the car manufacturer, the company that modifies cars to make them into limousines, the limo service, and the limo mechanics. Most parties settled before trial. The family of one decedent proceeded to one-month jury trial against the manufacturer. After jury verdict, the matter settled after filing notice of appeal.
  • Presided over pretrial proceedings in multiple unconsolidated personal injury lawsuits by approximately 100 individual customers of California franchised spas, who alleged that they were sexually touched, molested, and/or raped by employees performing massages.
  • Presided over pretrial proceedings in multiple separate asbestos litigation cases.

SECURITIES LITIGATION & SHAREHOLDERS DERIVATIVE ACTIONS

  • Presided over consolidated shareholders’ class action alleging securities claims under 1933 Securities Act arising from an initial public offering. The case proceeded through multiple rounds of motions regarding the pleadings, stay motions were filed, and a class was certified. Class action settled shortly before trial.
  • Presided over pretrial proceedings and court trial on shareholders derivative action claims arising from sale of the corporation for allegedly inadequate price, due to breach of corporate duties.
  • Presided over pretrial proceedings in securities class actions and shareholder derivative actions claiming violations of Sections 11 and 12 of the federal Securities Act in regard to initial public offerings. Key issues included enforceability of choice of law provisions and forum selection provisions.
  • Presided over shareholder class action against solar power provider for false and misleading offering statements by the company, its underwriters, and its directors. Case settled after completion of all pretrial proceedings, a few days before commencement of trial.
  • Handled investment fraud cases filed by hundreds of individuals who were victims of a Ponzi scheme, and the corporation was placed in bankruptcy. Civil proceedings in state court including 3-month jury trial of test cases, and subsequent 4-month jury trial of remaining individual cases. Most corporate defendants settled before trial, and the case proceeded to jury trial against the officers and directors as well as the CPA auditor.