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ProfessionalsYahonnes Cleary

Yahonnes Cleary

Tel: +1-212-373-3462
Fax: +1-212-492-0462

New York

1285 Avenue of the Americas
New York, NY 10019-6064
Fax: +1-212-492-0462

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A partner in the Litigation Department, Yahonnes Cleary represents clients in a broad range of complex commercial litigation and investigations. His experience includes product liability litigation, securities litigation, consumer class actions, insurance litigation, complex contractual disputes, and internal and regulatory investigations. Yahonnes has substantial trial experience in state and federal court.


Significant representations include:

  • AbbVie in multiple bellwether trials in federal and state court involving product liability claims related to the company’s testosterone replacement therapy product;
  • Pfizer in the first two trials in national litigation involving product liability claims related to the company’s antidepressant;
  • A major oil and gas company in multiple climate change-related tort lawsuits;
  • Bank of New York Mellon in various civil and regulatory matters related to the company’s foreign exchange services;
  • Various investment bank underwriters in multiple securities fraud class actions in state and federal court;
  • A major insurance company in coverage litigation arising out of the COVID-19 pandemic;
  • The New Jersey Governor in obtaining dismissal of a lawsuit challenging an investigation into the state’s tax incentive programs;
  • The owners of the Ashley Madison website in a consumer fraud class action arising out of a data breach; and
  • Various individual and corporate clients in internal and regulatory investigations involving the DOJ, FTC, FINRA, SEC and other regulatory agencies. 

Yahonnes maintains an active pro bono practice focused in particular on matters related to social and racial justice. He has worked on matters with the NAACP Legal Defense and Educational Fund, the American Bar Association, the Bronx Defenders, and the Sentencing Project.

Yahonnes is co-president of the board of trustees of Prep for Prep, and a member of the Yale Law School Fund Board.

Yahonnes was named to the “40 & Under Hot List – Northeast” and recognized as a “Future Star” in the 2019 edition of Benchmark Litigation.

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