Seth Alhadeff


Seth Alhadeff is the administrative partner in Lewis Brisbois' Miami office. An experienced litigator, Seth's practice is focused on a wide array of legal disciplines including class actions; insurance coverage disputes; construction defect matters; general liability and hospitality matters; professional liability, including defense of real estate agents, insurance agents and brokers, lawyers, architects and engineers, securities brokers and dealers, directors and officers, HOAs, not for profit organizations and community associations, and miscellaneous professionals; ADA compliance; securities; and criminal law. His practice is grounded in the evaluation, litigation and resolution of a diverse range of liability and coverage disputes, including mediations, arbitrations and trials. He has worked on the Chinese Drywall cases, and many other toxic tort matters throughout Florida. He has represented numerous financial institutions in single and class action matters throughout his career. Seth has litigated numerous cases throughout almost every district in Florida with favorable results.

Primary Area(s) of Practice

  • Class Action & Mass Tort
  • Insurance Coverage
  • Hospitality
  • First Party Property
  • Professional Liability
  • Architects & Engineers
  • Construction
  • Products Liability
  • General Liability
  • Toxic Tort & Environmental Litigation
  • ADA Compliance & Defense
  • COVID-19: Insurance Coverage
  • COVID-19: Construction/Contractors/Architects & Engineers

Additional Experience



New York

District of Columbia

U.S District Court, Southern and Middle Districts of Florida


American Bar Association


Benjamin N. Cardozo School of Law of Yeshiva University

Juris Doctor, 2001

Colgate University

Bachelor of Arts, 1998

Legal Experience

  • Represented large corporations in wrongful death and product liability matters.
  • Represented large general contractors, Owners and subcontractors in cases concerning construction defects.
  • Represented a drywall supplier in South Florida related to claims in a class action of more than 100 defendants and 2,000 homeowners.
  • Represented numerous design professionals in cases concerning design defects.
  • Obtained a favorable settlement for a large insurance client in property damage dispute where claim exceeded $50 million.

Representative Cases

  • Received defense verdict in product liability/wrongful death case concerning a Mosquito Magnet.
  • Received favorable verdict representing a restaurant where a minor suffered burns from hot tea.
  • Received a defense verdict in premises liability representing large restaurant group.