David Kleban is an Associate in the Firm's Litigation department.

Mr. Kleban represents clients in a variety of litigation contexts from pre-suit investigation through appeal and judgment collection.

Representative Matters

Enforcement of intellectual property rights in news content on behalf of major media entities.

Prosecution of fraud and breach-of-contract claims on behalf of monoline insurers against sponsors and originators of mortgage-backed securities.

Representation of an innovator pharmaceutical company in connection with patent claims against the manufacturer of a biosimilar version of the innovator’s blockbuster drug.

Defense of claims against a non-profit organization relating to U.S. government-sponsored medical experiments in the 1940s.

Guidance to investors in mortgage-backed securities, including analysis of procedural and substantive litigation considerations.

Representation of a company and its founder in an SEC investigation and administrative proceeding concerning alleged violations of securities law, resulting in favorable settlement of the claims.

Representation of a European bank in connection with an industry-wide investigation and private class action suit concerning alleged manipulation of a benchmark rate used for interest rate swaps and swaptions.

Pro bono prosecution of negligence claims on behalf of tenants affected by a seven-alarm fire in New York’s Chinatown.

  • U.S. Supreme Court
  • U.S. Court of Appeals, Second Circuit
  • U.S. District Court, Southern District of New York
  • U.S. District Court, District of Colorado
  • New York