Northeastern University School of Law
JD, 2012

Staff Member, Northeastern University Law Journal

Cornell University
BS, 2007




Tobin P. Sullivan


t 617-248-4742   f 617-248-4000

Tobin Sullivan is a corporate and securities associate at Choate and a member of Choate’s Business department.  Mr. Sullivan counsels private equity and growth equity funds in platform and add-on acquisitions, equity investments, sales and other significant transactions. He also advises private portfolio companies, emerging companies and public companies on general corporate matters, including governance, equity incentive compensation, financings and commercial transactions. Mr. Sullivan was named a 2016 Massachusetts Super Lawyers Rising Star.

Practice Focus

Business & Technology: represents public and private companies in a variety of industries in mergers and acquisitions, securities law compliance issues, venture capital equity financings and general corporate work

Mergers & Acquisitions: represents leading middle-market private equity funds and their portfolio companies in corporate transactions including mergers and acquisitions, leveraged buyouts, growth equity investments, sales and other strategic transactions, in a variety of industries, including healthcare, medical device, software and technology.

Private Equity: represents funds of all types in aspects of capital raising and acquisitions of target companies.

General Corporate & Securities: represents companies in general corporate matters and securities law compliance issues.

Capital Markets: represents underwriters and issuers in connection with public and private securities offerings.

Representative Engagements

  • Representation of specialty pharmacy and its equity sponsor in $315 million sale to public company strategic acquirer.
  • Representation of US public life sciences company in strategic acquisition of privately held life sciences company based in Switzerland.
  • Representation of private equity fund in $200+ million leveraged buyout of specialty hardware component manufacturer.
  • Counsels Nasdaq-listed companies on general corporate governance and SEC periodic reporting.
  • Representation of underwriters and public company issuers in initial and follow-on public offerings.
  • Representation of medical device company and its private equity sponsor in $33 million sale to Irish-based public company.
  • Representation of private equity funds and their portfolio companies in numerous leveraged buyouts, recapitalizations and sales.
  • Assists in representation of multiple biotechnology and life sciences companies in general corporate matters and equity financings.

Publications and Presentations

“Funding Gap for Life Science Companies Is Still a Problem,” co-author, Life Sciences Law360, September 2013.

Professional and Community Involvement

Mr. Sullivan represents clients from the Lawyer’s Clearinghouse—Massachusetts Legal Clinic for the Homeless.  He is currently a member of the Boston Bar and American Bar Associations.


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