Steven D. Barrett


Co-Chair, Technology Transactions and Licensing Practice Group

Barrett, Steven D.

Steve Barrett, co-chair of the Technology Transactions and Licensing Practice Group, advises a variety of life sciences and technology companies regarding the structuring, negotiation and drafting of agreements for a broad range of technology transactions, including technology acquisition, license, strategic alliance and joint venture transactions, and related research, development, supply, marketing, distribution and services agreements. Mr. Barrett regularly represents entrepreneurs, early-stage and established life sciences and technology companies and large commercial enterprises.

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Honors & Awards

  • Recognized as a leader in life sciences in the 2015 and 2016 editions of Who's Who Legal
  • Recommended in the 2016 edition of The Legal 500 United States for his work in M&A/Corporate and Commercial as well as Media, Technology and Telecoms: Outsourcing and Transactions
  • Recognized for his practice and named a "Life Sciences Star" in the 2012-2016 editions of LMG Life Sciences
  • Recognized in each edition of the PLC Cross-border Life Sciences Handbook in the USA Commercial and Partnering category since the 2006/07 edition; listed as Leading in this category in the 2009/10 and 2011/12 editions
  • Named "Massachusetts Super Lawyer" in the areas of intellectual property and business/corporate law in the 2014-2016 editions of Boston Magazine
  • Named a "Massachusetts Super Lawyers Rising Star" in intellectual property law in the 2005 and 2006 issues of Boston Magazine

Recent Highlights

Mr. Barrett has recently represented:

  • Adimab in its antibody platform licensing agreements with GSK (2013), Biogen Idec (2013), Novo Nordisk (2013) and Merck (2015)
  • Agios Pharmaceuticals in its metabolic immuno-oncology collaboration with Celgene (2016)
  • Alnylam in its Asian territory TTR-mediated amyloidosis RNAi collaboration with Genzyme (2012)
  • Alnylam in its prior collaborations with Medtronic (2007), Takeda (2008), Cubist (2009) and GSK (2011)
  • Concert Pharmaceuticals in its multi-program deuterium-modified drug collaboration with Celgene (2013)
  • Concert Pharmaceuticals in its prior collaborations with GSK (2009), Avanir Pharmaceuticals (2012) and Jazz Pharmaceuticals (2013)
  • Dendreon in its $125 million sale of its royalty interest in VICTRELIS™ (boceprevir) to CPPIB Credit Investments (2011)
  • Editas Medicine in its strategic alliance and option agreement with Allergan (2017)
  • Editas Medicine in its licensing of CRISPR technologies from the Broad Institute, MIT, Harvard and other academic institutions (2016)
  • Epizyme in its combination clinical trial collaboration with Genentech (2016)
  • Epizyme in its restructuring of its collaboration with Celgene (2015)
  • Epizyme in its reacquisition of EZH2 inhibitor oncology program rights from Eisai (2015)
  • Epizyme in its prior collaborations with GSK (2011), Eisai (2011), Celgene (2012), Roche Molecular Systems (2012) and Abbott Molecular (2013)
  • Idera Pharmaceuticals in its companion diagnostic development agreement with Abbott Molecular (2014)
  • Lexicon in its worldwide collaboration and licensing agreement for sotagliflozin with Sanofi (2015)
  • Lexicon in its ex-US and Japan licensing agreement for telotristat etiprate with Ipsen (2014)
  • Merrimack Pharmaceuticals in its >$970 million ex-US license and collaboration agreement with Baxter (2014)
  • Merrimack in its prior collaborations with Sanofi-Aventis (2009), PharmaEngine (2011) and Actavis (2013)
  • Mitobridge in its $730 million mitochondria-related disease collaboration with Astellas (2013)
  • Nosocomial Vaccine Corporation in its collaboration with Astellas, Affinivax and University of Maryland (2015)
  • Ophthotech in its >$1 billion ex-US licensing and commercialization agreement for FOVISTA™ with Novartis (2014)
  • Ophthotech in its $175 million royalty financing arrangement with Novo A/S (2013)
  • Potenza Therapeutics in its immuno-oncology collaboration with Astellas (2015)
  • Spark Therapeutics in its synthetic vaccine particles licensing transaction with Selecta Biosciences (2016)
  • Spark Therapeutics in its hemophilia B gene therapy collaboration with Pfizer (2014)
  • Spark Therapeutics in its prior licensing agreements with Genable Technologies (2014) and Children's Hospital of Philadelphia (2013)
  • Summit Therapeutics in its Duchenne muscular dystrophy collaboration with Sarepta Therapeutics (2016)
  • Vertex Pharmaceuticals in its collaboration and licensing agreement to develop ENaC inhibitors for cystic fibrosis and other pulmonary diseases with Parion Sciences (2015)

Community Involvement

Mr. Barrett serves on the board of directors of The Political Asylum/Immigration Representation (PAIR) Project. Mr. Barrett has also successfully represented, on a pro bono basis, a number of persons who have fled persecution in other countries and sought political asylum in the United States.

Mr. Barrett served on active duty as a US naval officer from 1989 to 1992. His assignments included division officer tours in USS Hoel (DGG-13) and USS Waddell (DDG-24), and he qualified as a surface warfare officer and was awarded the Navy Achievement Medal.


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JD, cum laude, University of Michigan Law School, 1996

MBA, with High Distinction, University of Michigan, 1996

SB, Mechanical Engineering, Massachusetts Institute of Technology, 1989

Bar Admissions



United States Patent and Trademark Office

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