Seth Rosenstein-600

Seth M. Rosenstein

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With focus, diligence, and thoughtful strategic advocacy, Seth Rosenstein represents businesses and individuals in a wide range of disputes. Known for being exceptionally well-prepared and clear-headed under pressure, Seth approaches every matter with the goal of achieving the most effective and efficient outcome for his clients — whether through negotiation, motion practice, or trial when necessary.

A shareholder in the firm’s Litigation practice, Seth’s clients span a broad spectrum of industries, including real estate, financial services, construction, manufacturing, automobile collision repair, and trucking. The matters he handles are similarly varied and diverse. He has successfully protected and advanced his clients’ interests in complex litigation involving all manner of commercial and civil disputes, including contract disputes, torts, regulatory issues, construction and home improvement cases, real estate matters, shareholder disputes, housing discrimination claims, securities cases, and various other business-related conflicts. Seth’s background also includes work on real estate transactions and issues related to the controlled substances industry.

Seth’s experience extends across the entire lifecycle of a case, from initial evaluation through appeals and judgment enforcement. He is particularly skilled at distilling complicated facts and issues into clear, persuasive arguments. Seth has appeared in state and federal courts, as well as in alternative dispute resolution forums throughout the United States, and serves as a FINRA Dispute Resolution Services Arbitrator.

Recognized by his peers for his professional achievements, Seth was selected as a New York Metro Super Lawyers Rising Star in 2024 and 2025, and a New Jersey Super Lawyers Rising Star in 2025.*  Committed to public service and his community, he serves as an elected councilman for the Borough of Glen Rock, New Jersey.

*No aspect of this advertisement has been approved by the Supreme Court of New Jersey or the American Bar Association.

Representative Matters

  • Served as outside legal counsel to a Fortune 500 financial services company in arbitration actions brought before FINRA arbitration panels
  • Contributed to a successful appeal securing stay of all administrative proceedings relating to applications for marijuana alternative treatment centers in New Jersey following improper disqualification of certain applicants
  • Defended construction and design defect claims brought by a large cooperative building complex in New York City against an engineering firm
  • Successfully vacated an eight-year-old default judgment awarded to a state administrative agency, reversed seizure of funds and combatted litigation abuses undertaken by state’s outside counsel
  • Obtained temporary restraints on behalf of a corporate client in a dispute involving a hemp cultivation and harvesting facility
  • Secured possession of a luxury home in Westchester County after years of litigation and compelled highly favorable settlement, resulting in settlement windfall and strong profit after selling the home to a third-party purchaser
  • Obtained substantial judgment for minor child of a wealthy property developer and owner, ensuring that over $1 million in improperly withheld funds were paid into a trust established for the minor child’s benefit
  • Aggressively and successfully defended numerous actions filed by “testers” alleging violations of the Americans with Disabilities Act and related state statutes, resulting in prompt dismissals of all claims in exchange for negligible consideration
  • Represented FINRA-registered financial professional in action against national broker-dealer related to incorrect and misleading public disclosures, resulting in filing of amended Form U5 — correcting an injustice that falsely besmirched client’s reputation
  • Secured summary judgment as to all causes of action and subsequent denial of reconsideration application in complex litigation against real estate seller alleging consumer fraud and breach of contract, among other claims.
  • Litigated action on behalf of local businesses after a national energy supplier substantially overbilled and breached contract for provision of electricity.  After limited discovery, vigorous prosecution resulted in a substantial monetary payment to the local businesses
  • Represented local property developer in securing declaratory relief pertaining to a shopping center and certain master deed restrictions, resulting in an order permitting the construction and operation of a well-known gas station and convenience store at the subject property

Admissions

  • New Jersey Bar
  • New York Bar
  • Pennsylvania Bar
  • United States District Court for the District of New Jersey
  • United States District Court for the Southern District of New York
  • United States District Court for the Eastern District of New York
  • United States District Court for the Eastern District of Pennsylvania
  • United States District Court for the Western District of Pennsylvania
  • United States Court of Appeals for the Second Circuit
  • United States Court of Appeals for the Third Circuit

Associations & Memberships

  • Bergen County Bar Association
  • Westchester County Bar Association

Seth Rosenstein

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Location

New York, NY
Woodland Park, NJ

Support Staff

Assistant: Lymari Ramos
973-925-7345

Practice Areas

Education

Benjamin N. Cardozo School of Law,
Yeshiva University, J.D., 2015
American University, B.A., 2011