Henry A. Sullivan


Peer Rating
AV® Preeminent

Client Rating

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Experience & Credentials Ratings & Reviews

Practice Areas

  • Litigation
  • Employment, Labor & Benefits
Contact InfoTelephone: 617.348.1746
Fax: 617-542-2241
University Boston College, B.A., 1980
Law SchoolSuffolk University, J.D., 1984
Admitted1985, Massachusetts

Professional & Community Involvement
•Member, American Bar Association
•Member, Massachusetts Bar Association
•Member, Boston Bar Association
•Massachusetts Bar Association delegate, American Bar Association House of Delegates (1992 - 1994)
•Member, ABA TIPS Section Media and Defamation Torts Committee


Henry's practice focuses on business litigation, including disputes involving complex commercial issues, closely held business litigation, fiduciary duty, tort law, administrative law, defamation and libel claims, privacy issues, trade secret, noncompetition, and employment law. He represents and counsels clients on litigation and employment matters across a variety of industries, including technology, higher education, and financial services. Henry has also represented high-profile political and business figures.

He has represented clients before the US Equal Opportunity Commission, the Massachusetts Commission against Discrimination, and federal and state courts in Massachusetts, New Jersey, New York, Maryland, and Rhode Island, as well as the US Department of Defense Directorate for Industrial Security Clearance Review involving government security clearance issues for a major government defense contractor.

Additionally, Henry has counseled clients and conducted seminars on federal and state civil rights statutes, anti-discrimination laws, and issues of sexual harassment in the workplace.

Before joining Mintz Levin in 1985, Henry was a law clerk to the Justices of the Massachusetts Superior Court. He was also a law clerk to the US Department of Labor Regional Solicitor's office in Boston. Before attending law school, Henry worked for the Massachusetts Senate and has worked in numerous Massachusetts political campaigns.

Recognitions & Awards

Massachusetts Super Lawyers: Business Litigation (2010 - 2014)
Best Lawyers in America: Commercial Litigation (2016)
•Martindale-Hubbell AV Preeminent


• Seventy-One Mintz Levin Attorneys Included in The Best Lawyers in America, 2016 Edition, (08.17.2015)
• Eighty-Five Mintz Levin Attorneys Named 2014 Massachusetts Super Lawyers and Rising Stars, (10.17.2014)
• Seventy-Nine Mintz Levin Attorneys Named 2013 Massachusetts Super Lawyers and Rising Stars, (10.21.2013)
• Seventy-One Mintz Levin Attorneys Named 2012 Massachusetts Super Lawyers and Rising Stars, (10.22.2012)
• Fifty-Two Mintz Levin Attorneys Recognized as Massachusetts Super Lawyers, (10.21.2011)
• Forty-Nine Mintz Levin Attorneys Recognized as Massachusetts Super Lawyers, (10.19.2010)

Reported CasesRepresentative Matters: Ownership dispute regarding a National Football League team; Major employment trial for an international pharmaceutical company; Resolving security clearance issues for government defense contractors; Counseling and advising numerous employees on a multitude of employee issues; Significant regional labor dispute between a national retailer and an international labor union; Conducting numerous internal investigations for a variety of businesses; Closely held corporate and family-owned business dissolutions and related complex litigation, including real estate and other investment holding

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#1,555 in weekly profile views out of 20,410 lawyers in Boston, Massachusetts
#112,851 in weekly profile views out of 1,740,929 total lawyers Overall

Office Information

Henry A. Sullivan

BostonMA 02111


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