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Judith Zahid
San Francisco
44 Montgomery Street
Suite 3400
San Francisco CA 94104
TEL: (415) 633-1916
FAX: (415) 633-0770
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Practice Areas
Bar and Court Admissions

Judith A. Zahid

Judith is Managing Partner of the San Francisco office and co-chair of the Firm’s Antitrust group.  Judith’s practice is focused on assessing complex antitrust claims and pursuing recoveries on behalf of both individual corporate clients and class plaintiffs in many different industries.  She has represented plaintiffs in numerous high-stakes price-fixing and monopolization cases, with recoveries from those cases totaling well over $2 billion.  While Judith is involved in all aspects of the cases she litigates, she places particular emphasis on her work with industry and damages experts.

Judith is a frequent speaker on several aspects of plaintiff antitrust recovery and active in the leadership of the ABA Antitrust Section.

Representative Matters

Antitrust and Unfair Competition

Represents United HealthCare Services, Inc. in two individual antitrust matters against the makers of more than 130 generic pharmaceutical drugs, alleging a widespread price-fixing and market allocation conspiracy; this matter has been consolidated with In re: Generic Pharmaceuticals Pricing Antitrust Litigation, MDL No. 2724. (United HealthCare Services, Inc. v. Actavis Holdco U.S., Inc., et al., No. 2:19-cv-00629-CMR.)  

Represents United HealthCare Services, Inc. in an individual antitrust matter against Celgene, alleging it engaged in generic exclusion tactics to maintain its monopoly pricing of the drugs Revlimid and Thalomid. (United HealthCare Services, Inc. v. Celgene Corp., No. 0:20-cv-00686-DSD-ECW.)  

Represents El Pollo Loco, Inc. in an individual antitrust matter against the nation’s major broiler chicken suppliers, alleging a capacity-reduction and price-fixing conspiracy; this matter has been consolidated with In re Broiler Chicken Antitrust Litigation, No. 1:16-cv-08637. (El Pollo Loco, Inc. v. Tyson Foods, Inc., et al., No. 1:20-cv-01943.) 

Retained as co-counsel on behalf of PABCO Building Products LLC in its defense of claims filed by several individual builders that accuse the domestic suppliers of drywall of engaging in a price-fixing conspiracy. (Ashton Woods Holdings L.L.C., et al. v. USG Corp., et al., No. 2:15-cv-01712-MMB.) 

Retained as co-counsel on behalf of SC Innovations (formerly d/b/a as Sidecar Technologies) in an individual competitor suit against Uber, alleging that Uber stifled competition in the market for ride-hailing applications and drove Sidecar – then one of Uber’s most significant competitors – out of business. (SC Innovations, Inc. v. Uber Technologies, Inc., et al., No. 3:18-cv-07440-JCS.) 

Represented United HealthCare Services, Inc. and resolved on confidential terms an individual antitrust matter against the makers of the branded pharmaceutical drug, Provigil, and its generic equivalents, alleging a successful pay-for delay scheme that kept the lower priced generics off the market for several years. (United HealthCare Services, Inc. v. Cephalon, Inc., et al., No. 2:17-cv-00555-MSG.)  

Defended several Bay Area restaurants accused of engaging in a nationwide no-tipping conspiracy to drive up prices, helping get the case dismissed with prejudice. (Brown v. 140 NM LLC, et al., No. 4:17-cv-05782-JSW.) 

Appointed by the Multidistrict Litigation Court as Interim Liaison Counsel for the direct-purchaser plaintiffs and represented the direct-purchaser businesses and other members of the proposed plaintiff class and assisted the co-lead counsel team by holding primary responsibility for the industry experts and consultants. The case settled for nearly $140 million in cash to the direct-purchaser settlement class. (In re Lithium Ion Batteries Antitrust Litigation, MDL No. 2420.)   

Represented the end-user plaintiffs and closely assisted lead counsel on class certification, opposing the Daubert motion, working closely with plaintiffs’ economic experts, and taking multiple defense expert and merits depositions of executives to help reach a $576.75 million all-cash settlement for the end-user plaintiffs. (In re Cathode Ray Tubes (CRT) Antitrust Litigation, MDL No. 1917.)     

Represented the end-user plaintiffs and served on the lead counsel team to help secure a record-breaking $1.1 billion all-cash settlement, in one of the nation’s largest antitrust cartel cases, having managed all day-to-day aspects of the litigation, working with experts, opposing the Daubert motion, taking several merits depositions of executives, and providing substantial support for getting and keeping the classes certified. (In re TFT-LCD (Flat Panel) Antitrust Litigation, MDL No. 1827.)    

Articles & Presentations

"American Bar Association’s quarterly Women.Connected Spotlight," May 29, 2020, interview

"Celebrating Women in Competition Law in California," California Lawyers Association, March 5, 2020, panelist 

"Perspectives from the Plaintiff’s Bar," 2019 Antitrust & Consumer Protection In-House Institute, Devil's Thumb Ranch, CO, October 13-15, 2019, panelist 

"Thinking Critically About Pass-On and Contribution," American Bar Association Global Private Litigation Conference, Berlin, Germany, June 16-17, 2019, moderator and conference co-chair

"Resolving Class Actions," Northern District of California District Conference, April 12-14, 2019, panelist 

"Global Class Action Developments," ABA Section of Antitrust Law Annual Spring Meeting, Washington, DC, March 26-29, 2019, panelist 

"Will Apple’s App Store Lead to the end of Illinois Brick?," California Lawyers Association, July 26, 2018, panelist

"Self-Advocacy, Career Development & Personal Negotiation," Women in Law & Leadership Summit, April 19, 2018, panelist

"Mastering Negotiation: Negotiating for Yourself," Women In Law Empowerment Forum (WILEF), San Francisco, CA, November 9, 2016, panelist

"Global Private Settlements: Preferred Paths to Resolution,” ABA Section of Antitrust Law Annual Spring Meeting, April 6-8, 2016, moderator

"The Un-Usual Suspects: Maximizing Value Out of Little-Known Bankruptcy Assets," 2016 Bankruptcy Battleground West Conference, March 11, 2016, panelist

"So Now You've Pleaded Guilty: Implications of Criminal Pleas in Civil Litigation," American Bar Association Section of Antitrust Law, December 16, 2015, co-presenter

"The Use of Experts at Class Certification," Class Action Litigation Conference, September 25, 2015, presenter

International Collective Actions: What Is And Isn’t Working?,” American Bar Association Section of Antitrust Law Spring Meeting, April 16, 2015

Opt-Out Litigation: Practical Considerations for Corporate and Outside Counsel,” American Bar Association Section of Antitrust Law, February 25, 2015, panelist

How States Can Effectively Analyze and Pursue Recovery Opportunities,” National Association of Attorneys General Antitrust Litigation Training Seminar, October 9, 2014, panelist

"Why Antitrust," American Bar Association Section of Antitrust Law, University of California, Berkeley, School of Law, November 14, 2014, co-presenter

"How States Can Effectively Analyze and Pursue Recovery Opportunities," Women In Law Empowerment Forum (WILEF), San Francisco, CA, November 9, 2016, panelist

Behind the Scenes with In-House Antitrust Counsel,” Bar Association of San Francisco’s Antitrust Section, October 3, 2014, moderator

"How States Can Effectively Analyze and Pursue Recovery Opportunities," National Association of Attorneys General Antitrust Litigation Training Seminar, Madison, WI, October 8-10, 2014, panelist

"Finding Peace When Settling U.S. and EU Price-Fixing Claims," Competition Law360, April 28, 2014, co-author

"Corporations & Cartels: When Should You Be A Plaintiff?", 62nd ABA Section of Antitrust Law Spring Meeting, March 26-28, 2014, moderator

"Where To Bring Damages Claims In EU Int’l Cartel Cases?" Competition Law360, February 28, 2014, co-author

"Who Can Make the Claim? The Who, What, and Where of International Private Antitrust Actions," Antitrust Section of the American Bar Association, February 13, 2014, moderator 

"Unique Discovery Challenges In International Cartel Cases," Competition Law360, January 31, 2014, co-author

"Survival of the Fittest: Thriving in a Culture of Change,” Women in Law Empowerment Forum (WILEF), March 20, 2013, moderator

"Hypothetical in Action – Class Certification, FTAIA and CAFA," CLE International Group’s Antitrust Conference, February 22, 2013, co-presenter

"Selecting and Working with Experts in Antitrust," Antitrust Section of the American Bar Association, January 14, 2013, co-presenter

Professional Affiliations


Ranked by Chambers & Partners USA in Band 2 in Antitrust: Mainly Plaintiff – California, Judith is recognized as a "very smart and capable" plaintiffs’ antitrust lawyer, according to market commentators. One source said: "She is able to tackle any complex task and work with experts to come back with a clear and well-written product.” (2018) Judith is “well respected by peers for her extensive experience litigating antitrust matters on behalf of plaintiffs. She regularly handles large class actions as well as individual lawsuits.” (2019) Judith is recommended for her representation of large plaintiff classes in complex damages cases. She also lends her expertise to corporate plaintiffs in significant individual actions. Peers attest that “Judith is spectacular and well respected. She's your secret weapon if you're going to trial.” (2020)

Who’s Who Legal: Competition by Global Competition Review named Judith as a “Thought Leader” in Competition 2018 and 2019: Plaintiff (noting that “Thought Leaders are those individuals who received the highest number of nominations from peers, corporate counsel and other market sources this year [and that GCR’s] research has identified them as being truly outstanding practitioners and the very best in their field”). Judith was also listed by Who’s Who Legal: Competition in 2015, 2016, 2017 and 2019.  

The Best Lawyers in America® listed Judith for Litigation – Antitrust in 2018, 2019 and 2020. 

The Legal 500 has recognized Judith several times in the antitrust class action field as "one to watch" (2012), an “up-and-comer,” “great case organizer and determined advocate” (2013), and a "first-rate case manager," "up-and-comer who does much of the actual work needed in big cartel cases" (2014), “thoughtful” in representing consumers and businesses affected by price-fixing agreements between various electronics manufacturers, including Samsung, Panasonic and Hitachi (2015), “able to bring people together on both sides of a case to get things done” (2016), and noted for her representation of United HealthCare Services, Inc. (2017). She was named a “Leading Lawyer” in the 2019 edition.

San Francisco magazine has named Judith among the Top 50 Women Northern California "Super Lawyers" for 2014, 2015, 2016, 2017, 2018 and 2019; and among the Top 100 Northern California “Super Lawyers” for 2015, 2016, 2017, 2018 and 2019. Judith was named a Northern California "Super Lawyer" in antitrust litigation for 2012, 2013, 2014, 2015, 2016, 2017, 2018 and 2019, and had been a "Rising Star" for 2009, 2010 and 2011.

Benchmark Litigation recognized Judith as a Benchmark California Star for 2019.

Named among the 2019 Lawdragon "500 Leading Plaintiff Financial Lawyers."

Named among Daily Journal’s 2020 list of ‘Top Antitrust Lawyers’ in California.

The Legal 500 - The Clients Guide to Law Firms

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