Atty. Mark D. Sullivan

Atty. Mark D. Sullivan

Mark D. Sullivan is a lawyer practicing personal injury, corporate, commercial litigation.

Springfield Springfield 35 yrs experience 35 year
Call (857) 491-4096 Book Appointment

Profile Summary

About Mark D. Sullivan at a glance

Mark D. Sullivan is a Member based in Springfield, Massachusetts, practicing at Mark D. Sullivan Office. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on personal injury, business, and litigation. Admitted to practice in Massachusetts (1991) and New York (2005). Educated at Western New England College (J.D., 1991) and University of Vermont (B.A., 1984). Recognitions include CV Notable. Active member of Hampden County, Massachusetts and American Bar Associations. Serands clients in Springfield, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark D. Sullivan is a lawyer practicing personal injury, corporate, commercial litigation
  • Mark received a B.A. degree from University of Vermont in 1984, and has been licensed for 35 years
  • Mark practices at Mark D. Sullivan Office in Springfield, MA

Practice Areas Explained

Mark D. Sullivan's Areas of Practice

Each practice area below reflects the types of cases Mark D. Sullivan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Mark D. Sullivan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Massachusetts →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark D. Sullivan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark D. Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Springfield 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 substantive 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 Springfield or all attorneys in Massachusetts.

Frequently Asked

Common questions about Mark D. Sullivan

Where is Mark D. Sullivan's law office located?
Mark D. Sullivan's law practice is located in Springfield, Massachusetts. The firm is Mark D. Sullivan Office. You can contact the office directly through this profile page.
What practice areas does Mark D. Sullivan handle?
Mark D. Sullivan focuses on personal injury, business, litigation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Mark D. Sullivan practiced law?
Mark D. Sullivan has 35+ years of legal experience and has been licensed since 1991.
Where did Mark D. Sullivan go to law school?
Mark D. Sullivan earned their education at (J.D., 1991); (B.A., 1984).
How can I contact Mark D. Sullivan for a consultation?
You can contact Mark D. 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.
What awards or recognition has Mark D. Sullivan received?
Mark D. Sullivan's notable recognition includes: CV Notable.

Education

J.D.
Western New England College
- 1991
B.A.
University of Vermont
- 1984

Awards

CV Notable

Bar Admissions

Massachusetts
Admitted: 1991
New York
Admitted: 2005

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