Robert L. Birnbaum


I work to help clients realize their business objectives by providing them with practical legal counsel as they grow and, often, change.

Robert Birnbaum is an experienced corporate partner who has been recognized by his peers for inclusion in The Best Lawyers in America, Massachusetts Super Lawyers and The Legal 500. He represents a number of public and private companies, with an emphasis on technology-based businesses in the life sciences and technology industries, as well as the funds that invest in them.

Bob has provided legal counsel to Amagma Therapeutics; Ankyra Therapeutics; Avitide, Inc.; Combined Therapeutics, Inc.; Compass Therapeutics, LLC; Rational Vaccines; Genuity Science Inc.; Arsanis, Inc.; US HealthVest; Adimab, Inc.; Living Proof, Inc.; Polaris Venture Partners; Cambridge Associates; and many others.

These clients have relied on Bob for guidance on a wide range of corporate matters, including mergers and acquisitions, collaboration agreements, technology and patent licensing, distribution, venture financing, stock option and other equity incentive plans, employment agreements and intellectual property law. He also provides general advice on corporation law, corporate finance, commercial transactions and contracts, and securities regulation.

Recent M&A transactions in which Bob advised the acquired company include the acquisition of deCode Genetics by Amgen, Inc.; L2, Inc. by Gartner, Inc.; Living Proof, Inc. by Unilever Plc; FitNow Inc. by Ziff Davis; and Genuity Science Inc. by Hibercell Inc.


  • Harvard Law School, J.D., cum laude
  • Harvard College, A.B., magna cum laude, Phi Beta Kappa

Bar and Court Admissions

  • Massachusetts
  • California

  • U.S. Bankruptcy Court District of Massachusetts
  • U.S. Tax Court


  • Counseling the Private Company, MCLE
  • Keeping [Trade] Secrets All in the Family, Electronic Business
  • Taxation of High-Technology Companies, Taxation for Accountants
  • Use of Nominee Trust, Massachusetts Law Quarterly
  • Issuance and Transfer of Capital Stock, Massachusetts Law Quarterly
  • Lease Financing for Manufacturers of Computer Peripheral Equipment, Business Lawyer

Honors & Involvement

  • Listed in The Best Lawyers in America 
  • Listed in The Legal 500 US Volume 1 (Corporate & Finance)
  • Listed in Massachusetts Super Lawyers