Zeb Landsman has broad experience litigating complex commercial disputes.  Jurors describe Mr. Landsman in the courtroom as “charismatic” and his arguments and witness questioning as “very good, very clear . . . well organized” and “to the point.”  He is described by jurors as “very confident . . . sincere and genuine.” Clients praise Mr. Landsman’s clear writing and common sense approach dispute resolution. Mr. Landsman also has substantial appellate experience, briefing and arguing over 20 appeals in New York’s appellate courts, including New York’s highest court, the Court of Appeals.

Recent success include a victory was in Town Sports v. Ajilon, where Mr. Landsman persuaded the Appellate Division, First Department, to vacate a multi-million dollar judgment originally entered against one of the Firm’s publicly-traded clients, and LAIG v. Medanito, where he successfully moved to dismiss a multi-million dollar claim brought by an investment fund against an Argentine energy company for alleged breach of an investment agreement.

Beyond trials and appellate work, Mr. Landsman has a strong track record of litigation-ending motions and favorable settlements in a wide range of disputes, including disputes related to software development, theft of trade secrets, non-competition employment agreements, fraud, RICO, bankruptcy “clawbacks,” insurance, products liability, oppression of minority shareholders, breach of contract, and business torts.  Applications for emergency relief also make up an important part of Mr. Landsman’s practice.  Work in that area has included securing injunctive relief for employers trying to stop the theft of trade secrets and defeating applications for injunctive relief by plaintiffs seeking to interfere with a client’s control of a company.

Purposely avoiding the current trend of subject matter specialization, Mr. Landsman firmly believes that complex disputes require advocates with extensive experience in a wide variety of diverse matters.  “Complex litigation is never routine,” Mr. Landsman tells clients, “it requires creative thinking that often borrows from seemingly unrelated areas.”

In addition to his work at the firm, Mr. Landsman teaches constitutional law and civil rights at a New York City High School, publishes occasional stories about backcountry ski adventures, and coaches youth baseball.



  • Lead trial lawyer in successful 2013 jury trial involving a failed software development project.  Mr. Landsman led a team of lawyers who secured a multi-million dollar jury verdict based on the defendant’s false reports of the progress of the project.
  • Currently defending foreign financial institutions against “claw back” and related lawsuits arising out of the Madoff fraud.
  • Defending against and prosecuting allegations of the theft of business secrets. As an example, Mr. Landsman secured temporary restraints and a preliminary injunction on behalf of the firm’s client, WebMD LLC, to stop former employees of WebMD from working for a competitor.
  • Defending a decades-long class-action dispute with a European financial company’s U.S. based clients involving alleged breaches of insurance contracts. The matter has involved a two-week trial in federal court — which the firm won for the client — and motion practice involving multiple questions of New York and foreign law, including Swiss secrecy law.
  • Defending Swiss clients from intrusive discovery requests.
  • Prosecuting fraud and contract claims arising from a flawed software development project for a U.S. publicly traded company.
  • Coordinating multi-district products liability cases for a Dutch client.
  • Arbitrating against a Chinese manufacturer in connection with a large sales agreement.
  • Arbitrating (UNCITRAL) the meaning of a put-option under the laws of Ecuador for a multi-lateral institutional investor.
  • Defending allegations by a U.S. plaintiff that an Austrian manufacturer’s product was defectively designed.
  • Prosecuting claims of a Brazilian telecommunications company against a U.S. software developer.
  • Prosecuting claims of oppression brought by a minority shareholder in a non-public corporation.
  • Defending claims of religious and sexual discrimination.