Atty. John J. Regan

Atty. John J. Regan

John J. Regan is a lawyer practicing environmental and natural resources, insurance, probate and 3 other areas of law.

Boston Boston 49 yrs experience 49 year
Call (508) 786-8013 Book Appointment

Profile Summary

About John J. Regan at a glance

John J. Regan is a Partner based in Boston, Massachusetts, practicing at WilmerHale. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on probate, business, ip, litigation, and environmental. Admitted to practice in Massachusetts (1977). Educated at New York University School of Law (J.D., 1977) and University of Notre Dame B.A. summa cum laude University of Notre Dame B.A. Phi Beta Kappa (—). Recognitions include AV Preeminent. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John J. Regan is a lawyer practicing environmental and natural resources, insurance, probate and 3 other areas of law
  • John received a B.A. degree from University of Notre Dame, and has been licensed for 49 years
  • John practices at WilmerHale in Boston, MA

Practice Areas Explained

John J. Regan's Areas of Practice

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

Probate

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

Business & Corporate Law

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

John J. Regan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John J. Regan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Civil Litigation

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

John J. Regan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

John J. Regan is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 J. Regan

Where is John J. Regan's law office located?
John J. Regan's law practice is located in Boston, Massachusetts. The firm is WilmerHale. You can contact the office directly through this profile page.
What practice areas does John J. Regan handle?
John J. Regan focuses on probate, business, ip, litigation, environmental. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John J. Regan practiced law?
John J. Regan has 49+ years of legal experience and has been licensed since 1977.
Where did John J. Regan go to law school?
John J. Regan earned their education at (J.D., 1977); (—).
How can I contact John J. Regan for a consultation?
You can contact John J. Regan 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 J. Regan received?
John J. Regan's notable recognition includes: AV Preeminent.

Education

J.D.
New York University School of Law
- 1977
University of Notre Dame B.A. summa cum laude University of Notre Dame B.A. Phi Beta Kappa
- In Progress

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1977

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