Pomerantz LLP

Justin Solomon Nematzadeh

Of Counsel

New York

Securities Litigation

Fordham University School of Law

State of New York; U.S. District Courts for the Southern and Eastern Districts of New York.



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Justin Solomon Nematzadeh joined Pomerantz in June 2015 and became Of Counsel in 2019. Justin focuses his practice on securities fraud litigation. He was honored in 2018 as a Rising Star under 40 years of age by Law360® in Class Actions, a prestigious award given to a select few “top litigators and dealmakers practicing at a level usually seen from veteran attorneys.” He was also honored in 2018 by Super Lawyers® as a Rising Star in New York and by Lawyers of Distinction®.

Justin played a key role in the securities class action against Brazil’s largest oil company, Petróleo Brasileiro S.A. – Petrobras, arising from a multi-billion-dollar kickback and bribery scheme, in which Pomerantz LLP, as sole Lead Counsel, recently achieved a historic $3 billion settlement for the class, as well as precedent-setting legal rulings.

Justin’s robust experience in representing both plaintiffs and defendants in antitrust and securities-fraud litigation, including first-chair trial experience, has forged him into a formidable advocate on behalf of plaintiffs in class actions. In addition to his role in the In re Petrobras Securities Litigation (S.D.N.Y.), Justin played pivotal roles in several class actions that resulted in total recoveries amounting to over $270 million for plaintiffs: In re Altair Nanotechnologies Securities Litigation (S.D.N.Y.), recovery of $1.5 million; Carmack v. Amaya Inc., et al. (D.N.J.), recovery of $5.75 million; Calfo v. Messina, et al. (S.D.N.Y.), recovery of $1.65 million; Kaplan v. S.A.C. Capital Advisors, L.P., et al. (S.D.N.Y.), recovery of $135 million; Mauss v. NuVasive, Inc., et al. (S.D. Cal.), recovery of $7.9 million; In re OSG Securities Litigation (S.D.N.Y.), recovery of over $30 million; Perez v. Higher One Holdings, Inc., et al. (D. Conn.), recovery of $7.5 million; In re Retrophin, Inc. Securities Litigation (S.D.N.Y.), recovery of $3 million; Springer v. Code Rebel Corporation (S.D.N.Y.), recovery of $1 million; and In re Yahoo! Inc. Securities Litigation (N.D. Cal.), recovery of $80 million. Justin played integral roles in representing plaintiffs in the In re Generic Digoxin and Doxycycline Antitrust Litigation (E.D. Pa.) and In re Treasury Securities Auction Antitrust Litigation (S.D.N.Y.).

Prior to joining Pomerantz in 2015, Justin practiced at Gibson, Dunn & Crutcher LLP. His practice involved federal and state complex litigation and internal and regulatory investigations, with a focus on antitrust and securities-fraud litigation. He played integral roles in representing defendants in Alaska Electrical Pension Fund v. Bank of America, N.A., et al (S.D.N.Y.), Garofalo v. Revlon, Inc., et al. (D. Del.), In re Foreign Exchange Benchmark Rates Antitrust Litigation (S.D.N.Y.), and In re LIBOR-Based Financial Instruments Antitrust Litigation (S.D.N.Y.). For his work in representing plaintiffs in Toney-Dick v. Doar, he was awarded a 2013 Pro Bono Publico award from The Legal Aid Society.

An avid writer, Justin is the co-author of the Delaware Business Court Insider article entitled Lead Plaintiffs’ Shareholdings Draw Chancery Review. He contributed to chapters in the American Bar Association’s Antitrust Law Developments, Matthew Bender’s Antitrust Laws and Trade Regulation, the ABA Antitrust Civil Jury Instructions Handbook, and Professor Deborah W. Denno’s chapter entitled When Willie Francis Died: The “Disturbing” Story Behind One of the Eighth Amendment’s Most Enduring Standards of Risk, in John H. Blume and Jordan M. Steiker’s book, Death Penalty Stories.

Justin earned his J.D. degree, cum laude, from the Fordham University School of Law. During law school, he served as a member of the Fordham Urban Law Journal and as a business editor of the Fordham Dispute Resolution Society. Additionally, he served as a judicial intern to the Honorable Stuart M. Bernstein of the United States Bankruptcy Court for the Southern District of New York. He earned his B.B.A. degree, with distinction, from the University of Michigan Stephen M. Ross School of Business, with an emphasis in finance and corporate strategy. During business school, he was awarded a University of Michigan Alumnae Council MBNA Scholarship. 

Justin is admitted to practice law in New York and the United States District Courts for the Southern and Eastern Districts of New York and Eastern District of Michigan. He is a member of the American Bar Association and the New York City and State Bar Associations.