Atty. Thomas J Monahan

Atty. Thomas J Monahan

Thomas J Monahan is a lawyer practicing intellectual property, business, life sciences & biotechnology and 1 other area of law. Thomas received a B.S. degree from College of the Holy Cross in 1966, and has been licensed for 44 years.

Trumbull Trumbull 44 yrs experience 44 year
Call (475) 327-2176 Book Appointment

Profile Summary

About Thomas J Monahan at a glance

Thomas J Monahan is a Member based in Trumbull, Connecticut, practicing at Monahan & Costello, LLC. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on business, ip, and health care. Admitted to practice in Connecticut registered to practice before the U.S. Patent and Trademark Office (1982). Educated at Franklin Pierce Law Center (J.D., 1981) and College of the Holy Cross (B.S., 1966). Recognitions include Peer Reviewed. Serands clients in Trumbull, CT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas J Monahan is a lawyer practicing intellectual property, business, life sciences & biotechnology and 1 other area of law
  • Thomas received a B.S. degree from College of the Holy Cross in 1966, and has been licensed for 44 years
  • Thomas practices at Monahan & Costello, LLC in Trumbull, CT

Practice Areas Explained

Thomas J Monahan's Areas of Practice

Each practice area below reflects the types of cases Thomas J Monahan 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 J Monahan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Connecticut →

Intellectual Property

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

Thomas J Monahan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Connecticut →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Thomas J Monahan is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Connecticut →

Jurisdictional Context

Why local counsel matters in Connecticut

Practicing law in Connecticut. Legal matters in Connecticut are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Trumbull are typically filed in the local municipal court or the appropriate Connecticut state district court, depending on subject matter and amount in controversy. An attorney licensed in Connecticut 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 Connecticut courts without local counsel or pro hac vice admission.

Looking for additional Connecticut attorneys? Browse all attorneys in Trumbull or all attorneys in Connecticut.

Frequently Asked

Common questions about Thomas J Monahan

Where is Thomas J Monahan's law office located?
Thomas J Monahan's law practice is located in Trumbull, Connecticut. The firm is Monahan & Costello, LLC. You can contact the office directly through this profile page.
What practice areas does Thomas J Monahan handle?
Thomas J Monahan focuses on business, ip, health care. Each practice area listed reflects experience handling cases of that type in Connecticut.
How long has Thomas J Monahan practiced law?
Thomas J Monahan has 44+ years of legal experience and has been licensed since 1982.
Where did Thomas J Monahan go to law school?
Thomas J Monahan earned their education at (J.D., 1981); (B.S., 1966).
How can I contact Thomas J Monahan for a consultation?
You can contact Thomas J Monahan 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 Thomas J Monahan received?
Thomas J Monahan's notable recognition includes: Peer Reviewed.

Education

J.D.
Franklin Pierce Law Center
- 1981
B.S.
College of the Holy Cross
- 1966

Awards

Peer Reviewed

Bar Admissions

Connecticut registered to practice before the U.S. Patent and Trademark Office
Admitted: 1982

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