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John R. Cavanaugh

Attorney Profile

Top Rated Business Litigation Attorney in Wellesley, MA

Clarkin & Phillips, P.C.
55 William Street, Suite 210
Wellesley, MA 02481
Phone: 781-431-2525
Fax: 781-237-7580
Selected to Super Lawyers: 2008 - 2022
Licensed in Massachusetts Since: 1991
Practice Areas: Business Litigation, Business/Corporate, General Litigation, Estate & Trust Litigation
Attorney Profile

John R. Cavanaugh is one of the principal attorneys at Clarkin & Phillips, P.C. From the firm's office in Wellesley, Massachusetts, he focuses his practice on business transactions as well as complex civil litigation. Admitted to practice in Massachusetts, Mr. Cavanaugh is also admitted to practice before the U.S. District Court for the District of Massachusetts, the U.S. Court of Appeals for the 1st Circuit, and the Supreme Court of the United States.

Mr. Cavanaugh's company and individual clients are located primarily in the Greater Boston metropolitan area. In his nonlitigation practice, he provides businesses with advice and counsel on transactional matters, mergers and acquisitions, corporate governance, shareholder issues, and employment matters. Mr. Cavanaugh also regularly prepares and reviews a variety of business-related contracts. In addition to established companies, he counts among his clients entrepreneurs who are planning on launching a new venture. At the outset, Mr. Cavanaugh helps them to determine the most advantageous form of legal entity that the company should operate under, and he thereafter provides advice and counsel to management. His civil litigation cases have included contract breaches, shareholder and partnership disputes, unfair competition, and deceptive trade practice claims.

Mr. Cavanaugh attended Babson College in Wellesley as an undergraduate, and he received a Bachelor of Science in finance and investments with distinction in 1987. He then went on to pursue his legal education at Boston University School of Law, and he was awarded his Juris Doctor cum laude in 1991. After he graduated, Mr. Cavanaugh was an attorney at a Boston firm for several years before joining Clarkin & Phillips, P.C. He has received an AV Preeminent* peer review rating through Martindale-Hubbell for the high quality of his work.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice Areas
  • 30%Business Litigation
  • 30%Business/Corporate
  • 30%General Litigation
  • 10%Estate & Trust Litigation


15 Years Super Lawyers
  • Super Lawyers: 2008 - 2022

About John R. Cavanaugh

First Admitted: 1991, Massachusetts

Professional Webpage:

Pro bono/Community Service

  • Town Meeting Member, Town of Natick
  • Public Arbitrator, FINRA (The Financial Industry Regulatory Authority)
  • Hearing Committee Member, Massachusetts Board of Bar Overseers
  • Zoning Board of Appeals, Member

Bar/Professional Activity

  • Boston Bar Association
  • United States First Circuit Court of Appeals
  • United States Supreme Court
  • United States District Court, District of Massachusetts
  • Commonwealth of Massachusetts
  • Massachusetts Bar Association (1993 - Present)

Educational Background

  • B.S., with distinction, Babson College, 1987


  • AV® Peer Review Rating from Martindale-Hubbell
  • Massachusetts Super Lawyers® each year since 2008
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Office Location for John R. Cavanaugh

55 William Street
Suite 210
Wellesley, MA 02481

Phone: 781-431-2525

Fax: 781-237-7580

Last Updated: 5/15/2022

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