Tobin P. Sullivan

Tobin Sullivan is a versatile corporate and securities attorney who counsels clients regarding a wide range of transactional and corporate law matters.

Tobin has been named a Massachusetts Super Lawyers Rising Star.

Practice Focus

Business & Technology: counsel for businesses ranging from start-ups, to pre-IPO companies, to global public companies in a variety of corporate transactions and business matters, including national and cross-border mergers and acquisitions, venture capital equity financings, corporate governance matters, public company reporting and SEC compliance.

Private Equity & Venture Capital: transactional counsel to leading private equity and venture capital firms in software and technology, biotech, HealthIT, healthcare services and telecommunications on minority and growth equity investments, buyouts and recapitalizations.

Representative Engagements

Business & Technology Engagements:

  • Represented OneWeb in a $1.25 billion financing round led by SoftBank, Qualcomm Technologies and Grupo Salinas.
  • Represented Datawatch Corporation (Nasdaq: DWCH) in its $176 million sale to Altair Engineering (Nasdaq: ALTR).
  • Represented Examity Inc. in securing a $90 million growth equity investment from private equity firm Great Hill Partners.
  • Represented BioRx in its $350 million sale to Diplomat Pharmacy (NYSE: DPLO).
  • Representation of Cyteir Therapeutics in equity financing by Venrock Partners, Celgene, Lightstone Ventures, and DROIA Oncology Venture.
  • Represented U.S. public life sciences company in strategic acquisition of privately held life sciences company based in Switzerland.
  • Represented Cosman Medical in sale to Boston Scientific (NYSE: BSX).
  • General counsel to satellite broadband company, including advising on its $1+ billion equity financing led by SoftBank.
  • Represented FP Resources USA Inc. in the take-private acquisition of The First Marblehead Corporation (NYSE: FMD).
  • Represented Datawatch Corporation (NASDAQ: DWCH) in its acquisition of Angoss Software Corporation, a Canadian data analytics company.
  • Represented Nasdaq-listed life sciences company in $75 million follow-on offering.

Private Equity & Venture Capital Engagements:

  • Represented leading private equity funds in growth equity investments in biotech companies.
  • Represented leading private equity fund in its investment in an omni-channel retail software supplier and the company’s subsequent sale to a private-equity buyer.
  • Represented private equity fund in $200+ million leveraged buyout of specialty hardware component manufacturer.
  • $220+ million sale of private-equity backed fiber-optic bandwidth infrastructure services provider operating in the Northeast United States.
  • Represented medical device company and its private equity sponsor in $33 million sale to Irish-based public company.
  • Representation of Texas-based private equity fund in its growth equity investment in an oil and gas services company based in Canada.

Professional and Community Involvement

Tobin is actively involved in corporate pro bono work for the Center for Women & Enterprise and has represented pro bono 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. He currently serves on Choate’s Hiring Committee.

Education & Credentials

Northeastern University School of Law
JD, 2012
Staff Member, Northeastern University Law Journal
Cornell University
BS, 2007




Tobin's Insights