Seth D. Allen

Seth D. Allen joined Schlam Stone & Dolan LLP in 2016. Mr. Allen’s practice focuses on commercial and civil litigation matters for both plaintiffs and defendants, and includes litigation matters of all sizes, from small partnership disputes to large scale litigation for major national or international entities. Mr. Allen is well-versed in all aspects of civil litigation and provides a comprehensive approach to litigation, regularly handling all aspects of litigation from pleadings, through complex discovery issues including large-scale electronic discovery, to dispositive motions and the appeals thereof. Mr. Allen is well versed in Appellate Division practice, including motion practice in the Appellate Division, First Department. Mr. Allen also represents clients in white-collar regulatory matters as well as targets and witnesses in government investigations. Mr. Allen is currently serving as the Secretary of the Litigation Committee of the New York City Bar Association.


  • Representing pharmacies and pharmacy owners in business divorce dispute with former partners;
  • Defending biotechnology company against claims of misappropriation of trade secrets and conspiracy to commit fraud;
  • Representing Brooklyn non-profit asserting claims of breach of contract and fraud arising out of sale of nursing home;
  • Representing Brazilian entities and individuals in claims for breach of contract, tortious interference and conversion against major US and Brazilian banks arising out of lease of aircraft;
  • Representing individual alleging breach of oral contract regarding investment in craft whiskey company;
  • Defending national healthcare company against breach of contract claim arising out of purchase of software systems; and
  • Representing foreign and domestic financial institutions asserting claims for breach of contract and fraud arising out of purchase of residential-mortgage-backed securities.


  • Interlocutory appeals of discovery and other non-dispositive motions, including successful appeal to Appellate Division, First Department of denial of motion to strike jury demand in action asserting both equitable and legal claims in a single action (176 A.D.3d 459), and successful defense on appeal to Appellate Division, First Department of withholding of documents shared during merger discussion on the basis of the common interest privilege (169 A.D.3d 517);
  • Appeals of dispositive motions to the Appellate Division, including appeals of motions for summary judgment and motions to dismiss; and
  • Appellate Division motion practice, including requests for emergency relief from Appellate Division, First Department, motions for stay pending appeal and motions for leave to reargue or leave to appeal to New York Court of Appeals.


  • Representing multiple healthcare companies regarding investigations by New York and New Jersey Attorneys General;
  • Representing witnesses and/or targets of investigations by New York District Attorney;
  • Representing a mortgage servicing subsidiary of a public company in an investigation by the U.S. Department of Housing and Urban Development and the Department of Justice into potential violations of the False Claims Act; and
  • Representing a publicly traded company and three of its executives in an investigation by the Securities and Exchange Commission into alleged insider trading.

Mr. Allen received his BBA from the Ross School of Business at the University of Michigan in 2010, where he graduated with High Distinction. He received his J.D. from New York University School of Law in 2013, magna cum laude and Order of the Coif, where he was a Florence Allen Scholar and member of the Law Review. Before joining Schlam Stone & Dolan, Mr. Allen practiced with Simpson Thacher & Bartlett LLP. Mr. Allen is a member of the New York Bar, as well as the Bars of the United States District Court for the Southern District of New York and the Eastern District of New York.