Atty. John L. Sullivan

Atty. John L. Sullivan

John L. Sullivan is a lawyer practicing real estate, probate, securities & investment fraud and 4 other areas of law.

Boston Boston 43 yrs experience 43 year
Call (857) 810-7331 Book Appointment

Profile Summary

About John L. Sullivan at a glance

John L. Sullivan is a Partner based in Boston, Massachusetts, practicing at DLA Piper LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on probate, real estate, securities, and consumer. Admitted to practice in Massachusetts (1983). Educated at Cornell Law School (J.D., 1983) and College of the Holy Cross (B.A., 1980). Recognitions include AV Preeminent. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John L. Sullivan is a lawyer practicing real estate, probate, securities & investment fraud and 4 other areas of law
  • John received a B.A. degree from College of the Holy Cross in 1980, and has been licensed for 43 years
  • John practices at DLA Piper LLP in Boston, MA

Practice Areas Explained

John L. Sullivan's Areas of Practice

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

Probate

John L. Sullivan is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Massachusetts →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John L. Sullivan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Massachusetts →

Securities Law

John L. Sullivan is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Massachusetts →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

John L. Sullivan is one of 50,607 consumer attorneys indexed nationally. Browse consumer 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 Boston 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 Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about John L. Sullivan

Where is John L. Sullivan's law office located?
John L. Sullivan's law practice is located in Boston, Massachusetts. The firm is DLA Piper LLP. You can contact the office directly through this profile page.
What practice areas does John L. Sullivan handle?
John L. Sullivan focuses on probate, real estate, securities, consumer. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John L. Sullivan practiced law?
John L. Sullivan has 43+ years of legal experience and has been licensed since 1983.
Where did John L. Sullivan go to law school?
John L. Sullivan earned their education at (J.D., 1983); (B.A., 1980).
How can I contact John L. Sullivan for a consultation?
You can contact John 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.
What awards or recognition has John L. Sullivan received?
John L. Sullivan's notable recognition includes: AV Preeminent.

Education

J.D.
Cornell Law School
- 1983
B.A.
College of the Holy Cross
- 1980

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1983

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