Arnie Calmann concentrates his practice in corporate, commercial, complex and multi-party litigation with an emphasis on intellectual property, antitrust and trade regulation, business torts, trade secrets, competition law and professional malpractice matters. His practice includes sales, distribution, marketing and franchise matters, corporate compliance, and officer and director counseling for national and international clients. Arnie has over 40 years of legal experience. 

Arnie has been selected each year for inclusion in New Jersey Super Lawyers in one of his primary practice areas, Intellectual Property Litigation, since the inception of that program in May 2005. He also is included in the Intellectual Property, Antitrust and Business Litigation practice areas listed on the website, www.superlawyers.com (New Jersey database). Arnie is ranked within the New Jersey Intellectual Property section of the most recent edition of Chambers USA, with sources noting that “He is a top-notch, well-versed IP attorney; you can never go wrong with him." The publication also notes clients commenting that "Arnie is among the best of the best. He is our go-to expert on all things related to NJ practice. He is like an encyclopedia of knowledge, and he is also extremely personable and loyal” and "I consider Arnie to be a pillar of the New Jersey federal court." Previously, Chambers described Arnie as a "Great lawyer who represents clients from a broad range of industries including chemical and medical products, pharmaceutical and healthcare, gaming and consumer electronic products.  He has particular experience in matters pertaining to commercial litigation."

Previously, Arnie served as a Deputy Attorney General, Antitrust Section, Office of the New Jersey Attorney General, where he was principally responsible for a number of multidistrict antitrust and class actions in federal courts throughout the United States. Arnie also was involved in various state civil and criminal antitrust investigations and proceedings.

Arnie has represented and counseled clients in diversified industries, including pharmaceutical and healthcare, medical and chemical products, travel and entertainment, gaming, ice cream and confectionery products, perfumes and fragrances, supermarkets, consumer electronic products, clothing and footwear, office furniture, computer games and software, professional sports and sports equipment, automotive, real estate, baby food, and other service and product industries. He also has substantial experience with Japanese and European companies.

Since 2010, when the Chief Judge of the United States District Court, District of New Jersey, selected him, Arnie has been a member of the Lawyers Advisory Committee (LAC) for the New Jersey Federal Court.  The LAC is composed of federal judges, members of the Bar and educators, and among other responsibilities, it serves as a liaison and means of communication between the Bench, the Bar and the public, and reviews and recommends local court rules and procedures.

During 2008, Arnie was appointed by the Chief Judge of the United States District Court, District of New Jersey, as a member of the Patent Rules Committee, a special committee charged with considering, drafting and implementing new Local Patent Rules applicable to patent litigation matters that became effective in January 2009, and that includes special rules relating to Hatch-Waxman pharmaceutical patent actions.  He served as Chair of the Hatch-Waxman Subcommittee in evaluating issues related to such patent litigation in the District of New Jersey.

For four years, Arnie served as the Co-Chair of the John C. Lifland American Inn of Court for Intellectual Property and Federal Practice (1999 – 2003), and continues to serve with 10 federal judges as a Master counselor in the Inn training young lawyers in litigation techniques. Arnie was the Chairman of the Antitrust Law Committee, New Jersey State Bar, and served as Chairman of the Corporate Counsel Committee, General Practice Section of the ABA.

Arnie is a frequent author and lecturer in the antitrust, intellectual property and distribution fields, and regarding federal practice and corporate counseling matters. He also has commented on antitrust, intellectual property and trade regulation for the New Jersey Law Journal.

Professional History

Deputy Attorney General, Antitrust Section, Office of the Attorney General, State of New Jersey 1972-1975.

Listed in:

  • Chambers USA - 2011-2016; 2022-2024
  • Best Lawyers® - Litigation - Intellectual Property - 2019-2025
  • "AV" Martindale-Hubbell® Peer Review Rating™
  • New Jersey Super Lawyers® - 2005-2024
  • New Jersey Super Lawyers® Top 100 - 2015-2016
  • ROI-NJ Influencer: Law - 2022
  • Morris/Essex Health & Life magazine as a "Top Lawyer" – Intellectual Property Rights – 2024

Calmann, Arnold B
Arnold B. Calmann
Rated by Super Lawyers


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Selection methodology for awards and honors can be found here.

No aspect of these advertisements have been approved by the Supreme Court of New Jersey.

  • Lawyers Advisory Committee, United States District Court, District of New Jersey, 2010-
  • Patent Rules Committee, United States District Court, District of New Jersey, 2008-
    Chair, Hatch-Waxman Subcommittee-2008
  • American Bar Association (ABA), Past Chair, Corporate Counsel Committee, Section of General Practice; Section of Intellectual Property Law (Unfair Competition - Trade Identity, Trade Secrets and Interference with Contract, Ethics & Professional Responsibility Committees); Section of Antitrust Law (Civil Practice & Procedure, Distribution & Franchising, Business Torts & Unfair Competition, Computer & Internet Law Committees); Section of Litigation (Intellectual Property Litigation, Computer & Internet Litigation, Pretrial and Discovery, Business Torts, and International Litigation Committees); Section of Business Law
  • New Jersey State Bar Association (NJSBA), Chair, Antitrust Law Committee (1989-1991), Intellectual Property Law Committee
  • John C. Lifland American Inn of Court for Intellectual Property and Federal Practice, Founder, Co-Chair, 1999-2003; Master Counselor 1993 to present
  • New York State Bar Association (NYSBA), Antitrust Law, International Law & Practice, Federal Practice, Corporate Counsel and Entertainment Law Committees
  • International Trademark Association (INTA), Past Years: Forums, Operations (Subcommittee Chair), and Law Firm Attorneys Committees
  • American Intellectual Property Law Association (AIPLA), ADR and Antitrust Committees
  • Association of the Federal Bar of New Jersey
  • Japan Society, New York, N.Y.
  • Counsel in numerous intellectual property litigations, including assisting as co-counsel in Hatch-Waxman pharmaceutical patent infringement and antitrust matters.

  • Assisted for more than 13 years in representing a defendant Japanese consumer electronics products manufacturer in In re Japanese Electronic Products Antitrust Litigation (alleged antitrust price fixing conspiracy), which led to the Matsushita decision in the United States Supreme Court.

  • Served as Liaison Counsel for defendants in In re Baby Food Antitrust Litigation (D.N.J.).

  • Lead trial counsel for distributor/franchisee plaintiff in Atlantic City Coin & Slot Service Co., Inc. v. IGT (D.N.J.), a franchise, business torts and contract matter.

  • Lead trial counsel for defendant cruise line in Blumenfeld Development Corp. v. Carnival Cruise Lines (E.D.Pa.), concerning trademark and unfair competition.

  • Co-trial counsel for plaintiff trademark registrant in Natural Footwear Ltd. v. Hart Schaffner & Marx and Roots, Inc. (3d Cir.)

  • Lead trial counsel for defendant ice cream supplier in Roman Distributing Corp. v. Haagen Daz, (App. Div., N.J.). a termination of distributor, business torts, antitrust, and contract matter.