Lon Seidman

lon seidman

T: 516.826.6500 x207

Lon Seidman is a litigation partner at LH&M. Lon has almost 30 years of experience representing businesses, individuals and trustees in all types of business litigation and bankruptcy-related matters, including trials and appeals in New York state and federal courts. Lon regularly handles complex contract disputes and is often called upon by major law firms around the country to serve as local counsel.

Lon has been selected as a New York Metro-Area “Super Lawyer” (2013-2022) in Business Litigation.


  • J.D., Hofstra University School of Law, 1994
  • B.S., Binghamton University, 1991

Bar Admissions

  • Courts of the State of New York
  • U.S. District Courts for the Eastern and Southern Districts of New York
  • U.S. Court of Appeals for the Second Circuit

Honors & Affiliations

  • Super Lawyer, Business Litigation, New York Metro Area (2010, 2011, 2013-22)
  • Martindale-Hubbell, AV Rated


  • Represented travel business in week-long trial arising out of breach of non-disclosure agreement alleged to have destroyed the client’s business.
  • Obtained dismissal of federal action against bank alleging wrongful dishonor of letter of credit.
  • Successfully resolved insider trading claims asserted by the U.S. Securities and Exchange Commission.
  • Represented major food manufacturer in defense of class action alleging false labeling of food product and deceptive business practices in food manufacturer’s bankruptcy case.
  • Served as trial counsel to plaintiff in preference action and obtained verdict for full amount sought.
  • Represented regional bank in successful defense of appeal to U.S. Second Circuit Court of Appeals of decision concerning propriety of bank’s distribution of insurance product.
    Successfully defeated preliminary injunction motion after several day evidentiary hearing in United States Bankruptcy Court.
  • Represented leading consumer research company in defamation action against industry trade group that alleged client had engaged in fraudulent business practices.
  • Represented corporate owner of 60 retail stores in breach of warranty action; obtained temporary restraining order and preliminary injunction in federal court after evidentiary hearing, triggering highly favorable settlement.
  • Represented major industry trade group in challenge to new legislation promulgated by the New York City Department of Consumer Affairs.
  • Represented representative of estate of widow of ice cream magnate Tom Carvel in Surrogate’s Court proceedings including trial concerning approximately $67 million estate.
  • Represented widow of victim in Long Island Rail Road shooting in products liability action against manufacturer of hollow point bullets used in mass shooting.
  • LH&M is considered a debt relief agency.
    LH&M helps people file for bankruptcy relief under the Bankruptcy Code.

    Attorney advertisement. Prior results do not guarantee a similar outcome.