Atty. Mark David Sullivan

Atty. Mark David Sullivan

Mark David Sullivan is a lawyer practicing criminal litigation, personal injury law, domestic relations law. Mark received a B.A. degree from University of Notre Dame in 1978, and has been licensed for 45 years.

Wellesley Hills Wellesley Hills 45 yrs experience 45 year
Call (857) 264-5670 Book Appointment

Criminal Litigation & More Attorney · Serving Wellesley Hills, MA · 45+ Years Experience

Profile Summary

About Mark David Sullivan at a Glance

Mark David Sullivan is a personal injury, criminal defense, and family law attorney based in Wellesley Hills, Massachusetts. They have 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in Massachusetts (1981). Educated at Suffolk University (J.D., 1981) and University of Notre Dame (B.A., 1978). Serves clients in Wellesley Hills, MA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark David Sullivan

  • Mark David Sullivan is a lawyer practicing criminal litigation, personal injury law, domestic relations law
  • Mark received a B.A. degree from University of Notre Dame in 1978, and has been licensed for 45 years
  • Mark practices in Wellesley Hills, MA

Practice Areas Explained

Mark David Sullivan's Areas of Legal Practice

Each practice area below reflects the types of cases Mark David Sullivan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Wellesley Hills.

Personal Injury in Wellesley Hills

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 David Sullivan is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Massachusetts →

Criminal Defense in Wellesley Hills

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Mark David Sullivan is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Massachusetts →

Family Law in Wellesley Hills

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Mark David Sullivan is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Massachusetts →

Jurisdictional Context

Why Local Counsel Matters in Wellesley Hills

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 Wellesley Hills 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 venue, 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.

Wellesley Hills Courts and Legal Process

Choosing a Wellesley Hills-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Massachusetts attorneys? Browse all attorneys in Wellesley Hills or all attorneys in Massachusetts.

Frequently Asked

Common Questions About Mark David Sullivan

Where is Mark David Sullivan's law office located?
Mark David Sullivan's law practice is located in Wellesley Hills, Massachusetts. You can contact the office directly through this profile page.
What practice areas does Mark David Sullivan handle?
Mark David Sullivan focuses on personal injury, criminal defense, family law. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Mark David Sullivan practiced law?
Mark David Sullivan has 45+ years of legal experience and has been licensed since 1981.
Where did Mark David Sullivan go to law school?
Mark David Sullivan earned their education at (J.D., 1981); (B.A., 1978).
How can I contact Mark David Sullivan for a consultation?
You can contact Mark David 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.

Professional Profile

Why Clients in Wellesley Hills Choose Mark David Sullivan

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark David Sullivan's practice in the field of personal injury, criminal defense, and family law.

Decade-Tested Legal Experience

Mark David Sullivan brings 45+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering personal injury, criminal defense, and family law, Mark David Sullivan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Wellesley Hills

A Wellesley Hills-based practice means Mark David Sullivan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark David Sullivan Handles in Wellesley Hills

Below is a representative sample of the types of matters Mark David Sullivan has experience with under Massachusetts law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Car accident injury claims
Personal Injury
Slip and fall cases
Personal Injury
Wrongful death suits
Personal Injury
Workers' compensation appeals
Personal Injury
Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law

This list is illustrative, not exhaustive. Contact Mark David Sullivan directly to discuss the specifics of your situation.

Search Reference

How People Find Mark David Sullivan Online

Prospective clients searching for legal help in Wellesley Hills commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark David Sullivan.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark David Sullivan directly.

Mark David Sullivan's Practice Areas & Specializations

Education & Law School Background

J.D.
Suffolk University
- 1981
B.A.
University of Notre Dame
- 1978

Bar Admissions & Licensed Jurisdictions

Massachusetts
Admitted: 1981

Client Reviews & Ratings — Mark David Sullivan

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