John Tumilty



Chairperson of the firm's Business Litigation Group, John has handled numerous complex business disputes involving breach of contract, unfair trade practices, breach of fiduciary duty, indemnification, fraud, and misrepresentation claims for companies, partnerships, and individuals involved in litigation, arbitration, and mediation.John also has substantial experience successfully representing clients involved in issues ranging from ongoing management and operational issues to contractual, licensing, and dissolution issues.In addition, John has significant experience in mergers and acquisitions disputes (both pre- and post-closing) and securities disputes, including disputes involving allegations of securities fraud, failure to disclose material information, false disclosures, and breaches of fiduciary duty. John has defended both entities and individuals against such allegations in the context of class actions, derivative actions, individual actions, and in arbitration proceedings. John has represented several private equity funds in investigations by the U.S. Securities and Exchange Commission and he has also conducted internal investigations in the mutual fund area for a Fortune 100 financial services company and for companies analyzing their stock option practices.John has trial and appellate experience in both state and federal courts, and before various arbitration bodies. John has represented domestic and foreign clients, including clients from France, Germany, China, Italy, Japan, and Sweden in courts across the country and in international arbitrations.

Areas of Practice (8)

  • Alternative Dispute Resolution
  • Business Litigation
  • Corporate Governance
  • Litigation
  • Securities
  • Tax
  • Probate & Trust Litigation
  • Trademark & Copyright Litigation

Education & Credentials

Contact Information:
781-622-5930  Phone
University Attended:
Boston College, B.A.
Law School Attended:
Suffolk University Law School, J.D., cum laude
Year of First Admission:
1991, Massachusetts

Peer Reviews

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Waltham, Massachusetts

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