Stephanie Teplin is a Partner in the Firm's Litigation department, where she focuses on complex commercial litigation. She regularly represents financial guarantors, hedge funds, and other institutional investors in claims for fraud, breach of contract, and breach of fiduciary duty in matters arising out of mortgage-backed securities and related transactions. Her experience includes representing the plaintiff in one of the few representation and warranty cases to reach trial. Ms. Teplin advises investors on structured finance transactions, including analysis of rights and remedies under transaction documents, litigation, and settlements.

Ms. Teplin also defends law firms and lawyers in professional malpractice, breach of fiduciary duty, and fraud actions. In addition to her litigation practice, Ms. Teplin serves as the Firm’s Co-General Counsel.

Ms. Teplin has also represented clients in a variety of commercial litigation including antitrust claims, trade secrets, and false advertising.

From 2011 to 2012, Ms. Teplin served as a law clerk to the Hon. John M. Walker, Jr. of the U.S. Court of Appeals for the Second Circuit.

Representative Matters

Financial Litigation

Represents financial guarantee insurers in fraud and breach of contract claims against originators and sponsors of mortgage-backed securities.

Represents financial guarantee insurers and institutional investors in claims against trustees of securitization trusts and in trust instructional proceedings.

Advises financial institutions and hedge funds on rights and remedies under transaction documents and assessment and resolution of “putback” claims seeking repurchase of collateral.

Law Firm Defense

Defended AmLaw 100 firm against malpractice and breach of fiduciary duty claims brought by a bankruptcy trustee arising out of advice to a start-up.

Defended AmLaw 100 firm against claims of fraud asserted by a former adversary in a prior litigation.

Defended firm against malpractice claims associated with a trusts and estates matter.

Commercial Litigation

Represents a pharmaceutical manufacturer in antitrust claims related to biologic drug contracts.

Represented a financial and business information provider in connection with allegations by a competitor of claims of fraud, unfair competition, false advertising, and corporate espionage.

Represented a Fortune 100 company in connection with a whistleblower action alleging age discrimination, securities fraud, and violation of the Sarbanes-Oxley Act.

Pro Bono

Represented civil liberties organizations in successful First Amendment challenge to donor disclosure laws targeting 501(c)(3)s and 501(c)(4)s.

Obtained asylum following an individual merits hearing for an artist who fled Haiti on account of threats and political persecution.

Obtained asylum on behalf of an applicant who was mistreated in his home country on account of sexual orientation.

Won dismissal of indictment on appeal for violation of New York’s speedy trial statute.

  • U.S. Court of Appeals, Second Circuit
  • U.S. District Court, Southern and Eastern Districts of New York
  • U.S. Court of Appeals, Ninth Circuit
  • New York
Professional Activities
  • City Bar Professional Ethics Committee, Member (2019-present)
  • City Bar New Lawyers Council Public Service Committee, Chair (2015-2017)