Skip to main content

Ryan Sirianni is a trial and appellate litigator specializing in financial services actions in federal and New York State courts.  He is also experienced in representing clients more broadly in complex commercial litigations.  His successful representations include defense of alleged violations of federal statutes such as the Fair Credit Reporting Act, Electronic Fund Transfer Act, Real Estate Settlement Procedures Act, Truth in Lending Act, Home Ownership and Equity Protection Act, State consumer protection statutes, and various common law claims. 


  • Consumer finance litigation
  • Commercial litigation
  • Consumer protection and privacy
  • Class actions and group litigation
  • False advertising and unfair competition



  • Served as trial lead in an action defending consumer bank and mortgage lender from claims of mortgage fraud.°
  • Defended multinational food manufacturing company in consumer litigation based on promotional campaign for cereal product.°
  • Represented tennis apparel company in trademark infringement and dilution action.°
  • Represented food and beverage company in landmark case concerning alleged violations of the Lanham Act, state law consumer protection statutes, and in copycat class actions raising similar allegations.°
  • Represented clients in disputes with competitors before National Advertising Division of the Better Business Bureau and vetted clients’ proposed advertising for claim substantiation and potential liability.°
  • Represented major media corporation defending against allegations of false advertising, fraud, and antitrust violations.°
  • Represented major consumer health products manufacturer in multidistrict litigation defending claims of false advertising.°
  • Represented major pharmaceutical and medical devices company defending claim of patent infringement in three-week jury trial.°

°The above representations were handled by Mr. Sirianni prior to his joining Greenberg Traurig, LLP.

Recognition & Leadership

  • Listed, Super Lawyers magazine, New York Metro Super Lawyers, "Rising Stars," 2015-2023
  • Member, Nassau County Bar Association, 2014-2016


  • J.D., Columbia Law School
    • James Kent Scholar
    • Harlan Fiske Stone Scholar
  • B.A., summa cum laude, Dartmouth College
  • New York
  • U.S. Court of Appeals for the Second Circuit