LAWYER PROFILE
Jeffrey Warshafsky

Jeffrey Warshafsky

USA 2026

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Ranked in 1 practice area

About

Provided by Proskauer Rose LLP

USA

Practice Areas

Jeff Warshafsky is a partner in Proskauer's Litigation Department. A versatile commercial litigator and strategic advisor, Jeff specializes in consumer class actions, sports litigation, false advertising, trademark, and other intellectual property disputes.

Jeff defends companies in connection with consumer class actions involving advertising and privacy issues. He has handled dozens of class actions around the country for multinational companies across diverse sectors including consumer product companies, retailers, and sports leagues. Jeff also counsels clients to avoid being targeted in such actions, helps them respond to demand letters from plaintiffs’ counsel, and negotiates resolutions.

Additionally, Jeff represents clients in competitor versus competitor advertising disputes, including in Lanham Act cases and advertising self-regulation disputes before the National Advertising Division and the National Advertising Review Board. He also counsels companies on advertising substantiation issues, with an emphasis on complex scientific testing, such as clinical trials and sensory testing. Jeff regularly advises major sports leagues on complex business disputes.

Jeff maintains a robust pro bono immigration practice, assisting clients with asylum and U-Visa applications and in connection with removal proceedings. In addition to his active practice, Jeff is an editor of and contributor to the Firm’s false advertising blog, Watch This Space: Proskauer on Advertising Law.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Advertising: Litigation - USA - Nationwide

Up-and-coming Individual
Up and Coming

Individual Editorial
Jeffrey Warshafsky is a renowned litigator specializing in class actions and false advertising.

Strengths

Provided by Chambers

  • Jeffrey tells you what he needs to tell you, even if you don't want to hear it, and helps you deal with it in the most productive way possible.

    Advertising: LitigationChambers Guide to the USA

Ranked Individuals at Proskauer Rose LLP (133)

California

California: Los Angeles & Surrounds

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California: Southern

District of Columbia

Florida

Illinois

Louisiana

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