Rosenblatt, Arnold

  Manchester, New Hampshire, USA
 +1 603 621 7102
 +1 603 621 7111
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One of four founding principals of Cook, Little, Rosenblatt & Manson, Arnie Rosenblatt contributes a strong litigation force to the team. His straightforward style and thorough understanding of the nuances of business law make him a persuasive and effective advocate and counsel.

Arnie moved to New Hampshire in 1987 after practicing business litigation in New York City for five years. He has successfully handled a wide variety of matters in state and federal trial and appellate courts as well as arbitration proceedings. These include cases in the areas of trade secrets, trademarks, patents and other forms of intellectual property, shareholder and partner disputes, non-competition agreements, employment matters, lender liability disputes, contract actions, and professional malpractice matters.

Arnie is active in the business and legal communities and is a frequent speaker at seminars concerning business litigation.

Honors and Distinctions:

  • AV ® Peer Review Rated, Martindale-Hubbell’s Peer Review Ratings SM
  • Recommended in Chambers USA for Litigation: General Commercial
  • Listed in Best Lawyers In America ®


  • Columbia University (J.D., 1981, Harlan Fiske Stone Scholar)
  • Brown University (M.A., 1977)
  • Swarthmore College (B.A., with distinction, 1975)

Professional Affiliations:

  • Admitted to New York bar (1982)
  • Admitted to New Hampshire bar (1987)
  • Admitted to Massachusetts bar (1998)
  • Admitted to Vermont Bar (2004)
  • New Hampshire Bar Association (Business Litigation Section chair, 1995-96, 1998-99; member of Continuing Legal Education Committee and Professionalism Committee)
  • American Bar Association
  • Member of American Arbitration Association Panel of Commercial Arbitrators