Atty. John M O'Reilly

Atty. John M O'Reilly

John M O'Reilly is a lawyer practicing intellectual property. John received a degree from St Johns University, and has been licensed for 35 years.

Princeton Princeton 35 yrs experience 35 year
Call (862) 431-2040 Book Appointment

Profile Summary

About John M O'Reilly at a glance

John M O'Reilly is a ip attorney based in Princeton, New Jersey. They have 35+ years of legal experience, licensed to practice since 1991. Admitted to practice in New Jersey (1991) and New York (1992). Educated at St Johns University (—). Serands clients in Princeton, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John M O'Reilly is a lawyer practicing intellectual property
  • John received a degree from St Johns University, and has been licensed for 35 years
  • John practices in Princeton, NJ

Practice Areas Explained

John M O'Reilly's Areas of Practice

Each practice area below reflects the types of cases John M O'Reilly handles, with a brief overview of what that area of law covers.

Intellectual Property

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

John M O'Reilly is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in Princeton or all attorneys in New Jersey.

Frequently Asked

Common questions about John M O'Reilly

Where is John M O'Reilly's law office located?
John M O'Reilly's law practice is located in Princeton, New Jersey. You can contact the office directly through this profile page.
What practice areas does John M O'Reilly handle?
John M O'Reilly focuses on ip. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has John M O'Reilly practiced law?
John M O'Reilly has 35+ years of legal experience and has been licensed since 1991.
Where did John M O'Reilly go to law school?
John M O'Reilly earned their education at (—).
How can I contact John M O'Reilly for a consultation?
You can contact John M O'Reilly 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.

Practice Areas

Education

St Johns University
- In Progress

Bar Admissions

New Jersey
Admitted: 1991
New York
Admitted: 1992

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