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Lauren M. Weinstein

Lauren Weinstein has deep experience representing clients on both sides of the “v.” in a broad range of business disputes.  She has handled contract, fraud, securities, corporate governance, and business tort claims in state and federal courts across the country. 

Ms. Weinstein has substantial experience in antitrust matters.  She currently has a senior leadership role representing the State of Utah, which, in coordination with 38 other states, is prosecuting antitrust and consumer protection claims in the In re Google Play Store Antitrust Litigation in federal court in San Francisco.  She is part of the nationwide class leadership in a case in Chicago involving financial services.  She is part of the defense team representing a consumer services corporation in a bet-the-company class action pending in Kansas City.  She serves as the co-chair of the ABA Section of Litigation’s Antitrust Litigation Committee and regularly writes and speaks on developments in antitrust law. 

Descended from Cuban and Jewish immigrants, Ms. Weinstein is deeply involved in MoloLamken’s diversity efforts.  She was a Fellow of the Leadership Council on Legal Diversity and currently serves as MoloLamken’s Diversity Professional for the organization.  She also mentors law students of color through The Appellate Project.

Ms. Weinstein is fluent in Spanish and French.  She grew up speaking Spanish and regularly represents clients with significant operations in, or disputes arising from, Latin America and Spain. 

Prior to joining MoloLamken, Ms. Weinstein clerked for judges in two of the most dynamic courts in the United States: the Honorable John G. Koeltl of the United States District Court for the Southern District of New York and the Honorable M. Margaret McKeown of the United States Court of Appeals for the Ninth Circuit.  She graduated from Harvard Law School and obtained her B.A. magna cum laude from Northwestern University where she was a member of the national-champion policy debate team. 

Ms. Weinstein has been recognized as a Rising Star by Super Lawyers and Legal 500, as a Leading U.S. Litigator by Lawdragon, and as a Next Generation Leader by LawdragonLegal 500 says she is “smart” and “great to work with.”

Representative Matters

  • Appointed Special State Attorney General to serve as second-chair trial counsel representing 39 States in In re Google Play Store Antitrust Litigation (N.D. Cal. pending)

  • Defense on appeal of an order dismissing antitrust claims against global investment manager (Intel Corp. v. Fortress Inv. Grp., 2022 WL 16756365 (9th Cir. Nov. 8, 2022))

  • Appointed as liaison counsel for Direct Purchaser Plaintiffs (In re FICO Antitrust Litigation (N.D. Ill. pending))
  • Defense on appeal of an order dismissing antitrust claims against a leading telecommunications company (Continental Auto. Sys., Inc. v. Avanci, 27 F.4th 326 (5th Cir. 2022))
  • Representation of leading economist and scholar as amicus curiae in In re EpiPen Litigation (In re EpiPen Antitrust Litig., 44 F.4th 959 (10th Cir. 2022))
  • Representation of leading antitrust scholars as amici curiae in Apple v. Pepper, 139 S.Ct. 1514 (2019)
  • Representation of putative class in antitrust suit against Carolinas HealthCare System (W.D.N.C., No. 3:18-cv-00095)
  • Representation of global financial institutions in multiple RMBS “putback” suits in the Southern District of New York and New York Supreme Court
  • Representation of natural gas utility in appeal involving alter-ego and foreign sovereign immunity issues (Gater Assets Ltd. v. AO Moldovagaz, No. 19-3550 (2d Cir. 2021))
  • Appeal of an order addressing statute of limitations applicable to residential mortgage-backed securities “putback” suit (In re Part 60 Put-Back Litig., 2017 WL 161030 (N.Y. App. Div. 1st Dep’t 2017))
  • Representation of the Central Bank of Iran in a constitutional challenge to the Iran Threat Reduction and Syria Human Rights Act of 2012 (Bank Markazi v. Peterson, 136 S. Ct. 1310 (2016)) and in ongoing proceedings
  • Defense on appeal of nearly $50 million jury verdict in securities fraud suit (In re Vivendi, S.A. Sec. Litig., 838 F.3d 223 (2d Cir. 2016))

Publications

News & Appearances

Clerkships

  • Law clerk to the Honorable M. Margaret McKeown, United States Court of Appeals for the Ninth Circuit
  • Law clerk to the Honorable John G. Koeltl, United States District Court for the Southern District of New York

Honors & Awards

American Bar Foundation, Fellow

One to Watch, Best Lawyers

Lawdragon 500 X – The Next Generation, 2023

500 Leading Litigators in America, Lawdragon

Washington, D.C. Rising Star, Super Lawyers, 2021

Legal 500 Rising Star – Securities Litigation – Plaintiff

Leadership Council on Legal Diversity Fellow, 2020-2021

Hispanic National Bar Association Top Lawyers Under 40 Award, 2019

American Bar Association Diverse Leaders Academy, 2018-2020

Honorable Judith Kaye Commercial and Federal Litigation Scholar, New York Bar Foundation, 2017

J. William Fulbright Grant Recipient, France

Education

Harvard Law School, J.D.

Editor-in-Chief, Harvard Civil Rights-Civil Liberties Law Review

Ames Moot Court Competition, Semifinalist and Best Brief

Northwestern University, B.A., magna cum laude

Phi Beta Kappa

Bar and Court Admissions

  • New York
  • District of Columbia
  • United States Supreme Court
  • United States Courts of Appeals for the 2nd, 6th, 7th, 9th, 11th, and Federal Circuits
  • United States District Court for the Southern District of New York

Professional Affiliations

American Bar Association

Section of Litigation – Co-Chair, Antitrust Litigation Committee (2020 – present)

Section of Litigation – Liaison to the ABA’s Commission on Hispanic Legal Rights & Responsibilities (2020 – present)

Section of Litigation – Securities Litigation Journal Co-Editor (2018 – 2020)

Antitrust Section (2018 – present)

Hispanic National Bar Association

Law360 Editorial Advisory Board – Competition

New York State Bar Association, Antitrust Section

Roderick & Solange MacArthur Justice Center Appellate Advisory Board

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