Atty. John A. McMullen

Atty. John A. McMullen

John A. McMullen is a lawyer practicing antitrust, corporate law, business law.

Cambridge Cambridge 52 yrs experience 52 year
Call (857) 788-0963 Book Appointment

Profile Summary

About John A. McMullen at a glance

John A. McMullen is a Member based in Cambridge, Massachusetts, practicing at John A. McMullen. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on business. Admitted to practice in New York (1974), Massachusetts (1974), and District of Columbia (1979). Educated at Harvard University (J.D., 1973) and Columbia University (B.A. Columbia, 1963). Serands clients in Cambridge, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John A. McMullen is a lawyer practicing antitrust, corporate law, business law
  • John received a B.A. degree from Columbia University in 1963, and has been licensed for 52 years
  • John practices at John A. McMullen in Cambridge, MA

Practice Areas Explained

John A. McMullen's Areas of Practice

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

Business & Corporate Law

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

John A. McMullen is one of 501,317 business attorneys indexed nationally. Browse business 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 Cambridge 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 Cambridge or all attorneys in Massachusetts.

Frequently Asked

Common questions about John A. McMullen

Where is John A. McMullen's law office located?
John A. McMullen's law practice is located in Cambridge, Massachusetts. The firm is John A. McMullen. You can contact the office directly through this profile page.
What practice areas does John A. McMullen handle?
John A. McMullen focuses on business. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John A. McMullen practiced law?
John A. McMullen has 52+ years of legal experience and has been licensed since 1974.
Where did John A. McMullen go to law school?
John A. McMullen earned their education at (J.D., 1973); (B.A. Columbia, 1963).
How can I contact John A. McMullen for a consultation?
You can contact John A. McMullen 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.
Harvard University
- 1973
B.A. Columbia
Columbia University
- 1963

Bar Admissions

New York
Admitted: 1974
Massachusetts
Admitted: 1974
District of Columbia
Admitted: 1979

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