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Atty. Mark L. Sullivan

Atty. Mark L. Sullivan

Mark L. Sullivan is a lawyer practicing commercial law, real estate (property) law, professional liability and 3 other areas of law.

Cohasset Cohasset 54 yrs experience 54 year
Call (339) 777-3081 Book Appointment

Profile Summary

About Mark L. Sullivan at a glance

Mark L. Sullivan is a Member based in Cohasset, Massachusetts, practforg at The Sullivan Law Firm, LLP. They haand 54+ years of legal experience, licensed to practice since 1972. Admitted to practice in Massachusetts U.S. District Court, District of Massachusetts U.S. Court of Appeals, First Circuit (1972) and U.S. Supreme Court (1991). Educated at Boston University School of Law (J.D., 1972) and University of Massachusetts, Amherst (B.A., 1969). Serands clients in Cohasset, MA and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mark L. Sullivan is a lawyer practicing commercial law, real estate (property) law, professional liability and 3 other areas of law
  • Mark received a B.A. degree from University of Massachusetts, Amherst in 1969, and has been licensed for 54 years
  • Mark practices at The Sullivan Law Firm, LLP in Cohasset, MA

Jurisdictional Context

Why local counsel matters in Massachusetts

Practforg law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Cohasset are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Cohasset or all attorneys in Massachusetts.

Frequently Asked

Common questions about Mark L. Sullivan

Where is Mark L. Sullivan's law office located?
Mark L. Sullivan's law practice is located in Cohasset, Massachusetts. The firm is The Sullivan Law Firm, LLP. You can contact the office directly through this profile page.
How long has Mark L. Sullivan practiced law?
Mark L. Sullivan has 54+ years of legal experience and has been licensed since 1972.
Where did Mark L. Sullivan go to law school?
Mark L. Sullivan earned their education at (J.D., 1972); (B.A., 1969).
How can I contact Mark L. Sullivan for a consultation?
You can contact Mark L. Sullivan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Boston University School of Law
- 1972
B.A.
University of Massachusetts, Amherst
- 1969

Bar Admissions

Massachusetts U.S. District Court, District of Massachusetts U.S. Court of Appeals, First Circuit
Admitted: 1972
U.S. Supreme Court
Admitted: 1991

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