Esther Lifshitz

Of Counsel

elifshitz@gibsondunn.com
T: +1 212.351.3944
New York

Esther (“Estee”) Lifshitz is Of Counsel in the New York office of Gibson Dunn. She is a member of the firm’s Litigation and Antitrust and Competition practice groups. She is currently on secondment.

Her practice focuses on high-stakes, complex commercial litigation, antitrust actions, and internal and regulatory investigations. She also has substantial experience with securities litigation, constitutional challenges, and white-collar defense and enforcement actions. Estee represents corporate clients and individuals across various industries, including technology, financial services, and pharmaceutical and health care. She practices in federal and state court and has plaintiff- and defense-side experience managing cases from inception to trial.

Representative matters include:

Representing leading financial solutions provider in a putative class action alleging antitrust violations in connection with the operation of the “CUSIP” system for identifying financial instruments.
Representing a private equity firm and its founder in commercial dispute with former investors alleging breach of contract and fiduciary duty claims.
Representing delivery services platforms in bringing challenges to local legislation and in related consumer protection actions.
Defended major branded pharmaceutical company in antitrust class actions and individual actions relating to an alleged “reverse payment” patent settlement with a generic manufacturer.
Defended large pharmaceutical company in competitor lawsuit alleging unlawful monopolization by bundling and exclusive dealing practices. Won dismissal of all claims on the pleadings.
Defended real estate company in fraudulent inducement and contract claims related to a partnership sale dispute. Won dismissal of all claims on the pleadings.
Defended CEO of pharmaceutical company in securities fraud class action and related state action alleging unfair business practices.
Represented large technology and e-commerce company as a third-party in antitrust actions brought by the DOJ and various states Attorneys General related to search and advertising technology.
Defended a large generics drug manufacturer and its founder against fraudulent inducement and contract claims brought by distributor.
Advised large technology and media company in internal investigation relating to data privacy.
Defended a mining company in an SEC enforcement action relating to a write-down of a mining project.

Estee has been recognized by Best Lawyers: Ones to Watch® in America in the areas of Commercial Litigation (2021-2026) and Criminal Defense: White-Collar (2024-2026).

She also maintains an active pro bono practice and has represented low-income clients in civil litigation, immigration cases, administrative proceedings, and legislative challenges.

Prior to joining Gibson Dunn, from 2017-2018, Estee served as a law clerk to the Honorable Eric N. Vitaliano of the United States District Court for the Eastern District of New York. Before her clerkship, Estee was a litigation associate at a law firm in New York.

Estee earned her Juris Doctor in 2014 from University of Chicago Law School, where she was an editor of the University of Chicago Law Review. In 2010, she earned her Bachelor of Arts degree, magna cum laude, from Columbia University, where she was elected to Phi Beta Kappa.

Estee is admitted to practice in the State of New York and before the United States District Court for the Southern District of New York.

Recent publications:

Co-Author, The Pension Benefit Guaranty Corporation’s Valuation Regulation in Bankruptcy: Entitled to Chevron Deference or Arbitrary and Capricious, 20 U. Pa. J. Bus. L. 247 (2017).

Esther Lifshitz

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