Ira A. Rosenberg is a Member of Sills Cummis & Gross, Co-Chair of the Firm’s Corporate Department, Chair of the Firm’s Life Sciences Practice Group and Co-Managing Partner of the Firm’s Florida office. Mr. Rosenberg has more than 30 years’ experience representing life science and health care technology companies, ranging in size from start-ups to public companies, in corporate and intellectual property transactions and general corporate matters. This work has included numerous product and technology acquisition, development, licensing, supply and distribution transactions, venture capital financings, mergers and acquisitions, strategic alliances and joint ventures. He has structured and negotiated corporate partnering transactions with numerous global and other large pharmaceutical companies.


  • Corporate
  • Corporate Banking and Finance
  • Equipment Leasing and Finance
  • Life Sciences
  • Loan Workouts and Restructuring
  • Mergers and Acquisitions
  • Private Equity

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Court Admissions

  • U.S. Supreme Court

Rankings and Recognition

  • Selected for inclusion in:
  • Chambers USA: America's Leading Lawyers for Business®* 2008-2023, New Jersey Corporate/M&A
  • The Best Lawyers in America®* 2001-2024, Corporate Law; Mergers and Acquisitions Law
  • IFLR1000 United States: Guide to USA’s Leading Financial & Corporate Law Firms®* 2018-2023, "Highly Regarded" New Jersey M&A
  • New Jersey Super Lawyers®* 2005-2020, Mergers & Acquisitions; Securities & Corporate Finance
  • Martindale-Hubbell®* AV rating

* See Award Methodology. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.


  • Member, New York Chapter of the Association for Corporate Growth

  • Member, Sections on Banking, Corporations and Business Law, American Bar Association

  • Member, Sections on Law, Science and Technology, American Bar Association

  • Member, Sections on Banking, Corporations and Business Law, New York State Bar Association

  • Member, New Jersey State Bar Association

  • Member, New Jersey Business and Industry Association


  • J.D., New York University School of Law
  • B.S., Boston University, cum laude

Bar Admissions

  • Florida
  • New Jersey
  • New York