Named a Top 100 Lawyer in California,Quyen Ta co-leads the San Francisco Office of Boies Schiller Flexner, and is a sought-after and experienced litigator and trial lawyer. Her practice focuses on consumer class action defense, intellectual property, international arbitrations, trade secrets misappropriation, and other high-stakes, complex civil litigation. She serves as lead counsel, has tried cases, and has handled a significant number of civil matters in state and federal courts across the country. Prior to joining Boies Schiller Flexner, Quyen was a partner at a California litigation boutique. Quyen’s representative clients include public and venture-backed companies located in California and across the country and globe: Chevron, Rakuten, VNG Corporation, Molina Healthcare, United Healthcare, Netgear, Varian Medical Systems, Public Storage, CubeSmart, Extra Space Storage, Taiwan Semiconductor Manufacturing Company, NRG Energy, JM Eagle, Oportun, and McDonald's. 

Quyen serves as lead counsel in numerous consumer class action matters in state and federal courts throughout the country in various industries. She regularly litigates consumer statutes as varied as Business & Professions Code Sections 17200/17500, Florida’s Deceptive and Unfair Trade Practices Act (FDUTPA), New Jersey’s Truth in Consumer Contract, Warranty, and Notice Act (TCCWNA), and the Telephone Consumer Protection Act (TCPA). She litigated a class action lawsuit and successfully had a nearly $1 billion claim dismissed at the summary judgment stage. She also led her team in defeating several high-stakes class action claims worth over $120 million through dispositive motion practice, and devised the strategy to defeat a $64 million class action. She recently defeated a $300 million copyright infringement matter based on personal jurisdiction, and has defeated numerous class actions through motions to compel arbitration.

Aside from her class action defense practice, Quyen has litigated numerous matters in state and federal court in various substantive areas of law, including patent law, trade secrets misappropriation, legal malpractice (defense), false claims act, securities, and general civil litigation (breach of contract and other complex business disputes).

Quyen was selected by The Recorder as a California Trailblazer, and Lawyer on the Fast Track based on her career achievements and leadership roles within her practice and the larger community. She has also been selected as a Women Leaders in Tech Law by The Recorder, and a Top 100 Lawyer by The Daily Journal. She received the 2018 Young Alumna Award from UC Berkeley School of Law. She has been recognized by various other bar organizations for her professional achievements, community service, and commitment to diversity and inclusion. She is a Co-founder of the Berkeley Law First Generation Professionals Institute. Recognized as a leader in the Northern District of California, she was selected by the federal judges to serve a three-year term as a Lawyer Representative. In 2016, she co-chaired the Northern District's Lawyer Representatives Committee. She also has been appointed by Governor Newsom as the Chair of the Bay Area Judicial Selection Advisory Committee, and has served on the Northern District’s Magistrate Merit Selection Committee.

Quyen's representative matters include:

Class Actions

  • Prevailed on a summary judgment motion dismissing the class’ claimed $1 billion RICO claim. The matter settled favorably two days before trial
  • Defended Public Storage in two class actions worth over $120 million alleging violations of California Business & Professions Code Section 17200 and the Consumer Legal Remedies Act. Obtained victories on demurrer, summary judgment and opposition to class certification
  • Defended Public Storage in a lawsuit brought in New Jersey District Court under the Truth-in-Consumer Contract, Warranty and Notice Act (TCCWNA) and successfully crafted decertification motion based on Spokeo v. Robins
  • Representing Molina Healthcare in various class action lawsuits across the country based on consumer statutes (California, Florida and Illinois). Prevailed in numerous matters based on dispositive motion practice, or settled favorably
  • Defending two public companies in five TCPA class action lawsuits across the country, and settled matters favorably
  • Defeated numerous consumer class actions filed against public company clients based on motions to compel arbitration

Intellectual Property/Trade Secrets Misappropriation

  • Represented Taiwan Semiconductor Manufacturing Company (TSMC) against Tela Innovations in the ITC and in the District of Delaware in two cases concerning patents that relate to integrated circuit design. Successfully limited the ITC investigation only to TSMC’s importations into the U.S., as opposed to TSMC’s customers; negotiated a resolution between the two companies that resulted in TSMC purchasing a portion of Tela Innovations
  • Represented TSMC when Zond threatened to sue for patent infringement on six patents in Massachusetts. On behalf of TSMC, filed a declaratory-judgment action in Delaware and successfully moved the court to order Zond not to pursue parallel litigation in Massachusetts. In tandem with institution of IPRs on several of Zond’s patents, negotiated a settlement with Zond for a fraction of other settlements
  • Won summary judgment of non-infringement for Taiwan Semiconductor Manufacturing Company and its subsidiary TSMC North America in a long-running patent lawsuit brought by North Carolina semiconductor company Ziptronix Inc.
  • Represented TSMC against China's then-leading semiconductor manufacturer, SMIC, in the largest trade secret misuse case tried to date. Following a jury verdict on liability in favor of TSMC, SMIC agreed to pay $200 million in cash and approximately $130 million of its company stock
  • Represented Silicon Valley, venture-backed microlending company in pursuing potential trade secrets and civil claims against one of its former co-founders and executives
  • Defended HTC in a five-patent investigation brought by Kodak before the International Trade Commission

Other Complex Civil

  • Brought lawsuit against a Bank on behalf of its former CFO when the Bank failed to meet its contractual duties to pay out promised compensation. Obtained a defense verdict on the contract claim. The case settled shortly before the jury rendered a verdict on the tort phase of the trial
  • Currently representing a German paint manufacturing lawsuit in a qui tam matter filed in the N.D. Cal. All claims but one dismissed with prejudice on motion practice
  • Successfully defended at trial an Am Law 50 law firm and one of its former partners against a $100 million claim in California state court, which resulted in a complete defense verdict
  • Representing public company in high-stakes dispute in AAA arbitration involving claims of breaches of contract and confidentiality

Co-Chair and Faculty, Class Actions 2020: Bridgeport Continuing Litigation (San Francisco), 2020

Co-Chair and Panelist, Daily Journal, Women and Leadership Conference, 2019

Panelist, Women Attorneys Advocacy Project (in conjunction with Federal Bar Association), “Leveling the Playing Field: Addressing Gender Bias,” 2019

Faculty, Class Actions 2018: Litigating, Defending & Managing Class Actions, Bridgeport Continuing Education, 2018

Faculty, Mastering the Deposition, 2018 (Bridgeport Continuing Legal Education)

Panelist, Ethical Issues for In-House Counsel and Outside Counsel, CMPC and Kaiser 7th Annual CLE marathon, 2018

Moderator, Town Hall Meeting on the Use of the Boalt Hall Name, 2018

Faculty, Class Actions 2017: Litigating, Defending & Managing Class Actions, Bridgeport Continuing Education, 2017

Panelist, Women Who Work It: Business Development Best Practices & Lessons Learned, NAPABA Western Regional Conference, 2017

Faculty, Class Actions After Spokeo v. Robins: Supreme Court Jurisprudence, Article III Standing and Practical Implications for the Bench and Practitioners, Northern District of California Judicial Conference, 2017

Panelist, The State of Diversity and Inclusion in the Legal Profession, Institute for Inclusion in the Legal Profession, 2017

Panelist, Let's Keep Talking, Tackling Unprofessional Conduct Towards Women Attorneys, Women Attorneys Advocacy Project, 2017

Faculty, How Deposition Testimony Plays Out at Trial, 2017 (Bridgeport Continuing Education)

Faculty, Federal Bar Association, ND Cal Chapter; Class Action Symposium, 2016

Panelist, No Bosses Allowed Luncheon, CMCP Annual Business Conference, 2016

Faculty, Class Action Litigation Conference speaker, 2016 (Bridgeport Continuing Education)

Faculty, The Use of Experts, PLI Pretrial Practice Conference, 2016

Moderator, Impacting Diversity from Outside the Firm, BASF's Unmasking Diversity, 2012

Panelist, Making Partner at Big Law Firms for Diverse Attorneys, Barristers Annual Meeting, 2012

  • University of California, Berkeley School of Law, J.D.
  • University of California, Los Angeles, B.A., summa cum laude; Phi Beta Kappa; Departmental Highest Honors (English Literature)


  • California
  • 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. District Court: Southern District of Florida
  • U.S. District Court: Northern District of Illinois
  • U.S. District Court: Southern District of New York
  • U.S. District Court: District of New Jersey
  • U.S. District Court: Western District of Texas

Bay Area Judicial Advisory Selection Committee, Chair (2019-Present)

Northern District of California, Magistrate Merit Selection Committee (2019)

Association of Business Trial Lawyers (Northern California): Board Member, Program Chair), 2019-Present

Legal Aid at Work, Board Member (2019-Present)

Co-Founder, Berkeley Law First Generation Professionals Institute

Lawyer Representative of the Northern District of California to the Ninth Circuit Judicial Conference: 2013-2016 (Co-Chair, 2016)

Bar Association of San Francisco: Board Member and Minority Bar Coalition Representative, 2011-2012; Equality Committee Co-Chair, 2012-2015; Board Member 2013-2016

California State Bar Committee on Federal Courts: 2012-2015

Asian Pacific American Bar Association of Silicon Valley, Judiciary Committee, Co-Chair, 2013- Present

National Asian Pacific American Bar Association (NAPABA): Northern California Regional Governor, 2012-2014

Asian Americans Advancing Justice-Asian Law Caucus: Board Member and 40th Anniversary Co-Chair, 2008-2012; Leadership Council Co-Chair, 2012-present

Vietnamese American Bar Association of Northern California (VABANC) and VABANC Law Foundation: President, 2010; Board Member, 2006-present

Bar Association of San Francisco, Barristers Club: Diversity Director, 2010; Board Member, 2010-2011

  • Hon. Lawrence K. Karlton, U.S. District Court: Eastern District of California

Lawdragon 500 Leading Lawyers in America (2020)

Top 100 Lawyer, Daily Journal (2019)

California Trailblazer, The Recorder (2019)

Rising Star, Minority Corporate Counsel Association (2018)

Berkeley School of Law, Young Alumna Award (2018)

California Minority Counsel Program Deborah J. Broyles Law Firm Diversity Leader Award

Asian Americans Advancing Justice-Asian Law Caucus, Alumnus of the Year Honoree

Vietnamese American Bar Association of Northern California, Trailblazer Award

Northern California Super Lawyers, 2012 – Present

Best Lawyers Under 40, National Asian Pacific American Bar Association (NAPABA), 2014

Women Leaders in Tech Law, The Recorder

Joe Morozumi Award for Exceptional Legal Advocacy, Asian American Bar Association of the Greater Bay Area, 2014

Diversity Award, BASF Barristers Club

Lawyer on the Fast Track, The Recorder

Dale Minami Public Interest Fellowship Alumni of the Year Award, 2013

Bar Association of San Francisco Award of Merit, 2012

Bay Area Minority Bar Coalition Unity Award, 2010

Georgetown Women's Law and Public Policy Fellow, 2003-2004

Community Service Award, Vietnamese American Bar Association of Northern California, 2003