Atty. Thomas H. O'Donnell

Atty. Thomas H. O'Donnell

Thomas H. O'Donnell is a lawyer practicing antitrust & trade law, intellectual property, securities & investment fraud and 3 other areas of law.

Boston Boston 25 yrs experience 25 year
Call (857) 788-0963 Book Appointment

Profile Summary

About Thomas H. O'Donnell at a glance

Thomas H. O'Donnell is a business, ip, securities, litigation, and consumer attorney based in Boston, Massachusetts. They have 25+ years of legal experience, licensed to practice since 2001. Admitted to practice in New York (2001) and Massachusetts U.S. District Court for the District of Massachusetts U.S. District Court for the Sout (2001). Educated at St. John's University School of Law (J.D., 2000) and Rhode Island College (B.A. History, 1997). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas H. O'Donnell is a lawyer practicing antitrust & trade law, intellectual property, securities & investment fraud and 3 other areas of law
  • Thomas received a B.A. degree from Rhode Island College in 1997, and has been licensed for 25 years
  • Thomas practices in Boston, MA

Practice Areas Explained

Thomas H. O'Donnell's Areas of Practice

Each practice area below reflects the types of cases Thomas H. O'Donnell 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.

Thomas H. O'Donnell 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.

Thomas H. O'Donnell is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Securities Law

Thomas H. O'Donnell is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Massachusetts →

Civil Litigation

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

Thomas H. O'Donnell is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Consumer Protection

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

Thomas H. O'Donnell 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 Thomas H. O'Donnell

Where is Thomas H. O'Donnell's law office located?
Thomas H. O'Donnell's law practice is located in Boston, Massachusetts. You can contact the office directly through this profile page.
What practice areas does Thomas H. O'Donnell handle?
Thomas H. O'Donnell focuses on business, ip, securities, litigation, consumer. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Thomas H. O'Donnell practiced law?
Thomas H. O'Donnell has 25+ years of legal experience and has been licensed since 2001.
Where did Thomas H. O'Donnell go to law school?
Thomas H. O'Donnell earned their education at (J.D., 2000); (B.A. History, 1997).
How can I contact Thomas H. O'Donnell for a consultation?
You can contact Thomas H. O'Donnell 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.
St. John's University School of Law
- 2000
B.A. History
Rhode Island College
- 1997

Bar Admissions

New York
Admitted: 2001
Massachusetts U.S. District Court for the District of Massachusetts U.S. District Court for the Sout
Admitted: 2001

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