Atty. Katelyn O'Reilly

Atty. Katelyn O'Reilly

Katelyn O’Reilly maintains a diverse practice, with a primary focus on federal and complex commercial litigation, including intellectual property, contract and business disputes, and antitrust and class action defense. Prior to joining the firm, Katelyn was an associate at a large New Jersey law firm.

Newark Newark 18 yrs experience 18 year
Call (973) 757-1100 Book Appointment

Profile Summary

About Katelyn O'Reilly at a glance

Katelyn O'Reilly is a class action and product liability attorney based in Newark, New Jersey, practicing at Walsh Pizzi O'Reilly Falanga LLP. They have 18+ years of legal experience, licensed to practice since 2008. Admitted to practice in New Jersey, New Jersey State Bar Association (2008). Educated at Temple University (J.D., 2009). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants (2026). Serands clients in Newark, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Katelyn O’Reilly maintains a diverse practice, with a primary focus on federal and complex commercial litigation, including intellectual property, contract and business disputes, and antitrust and class action defense
  • Prior to joining the firm, Katelyn was an associate at a large New Jersey law firm
  • She served as a law clerk to the Honorable Dennis M. Cavanaugh, United States District Judge for the District of New Jersey, for the 2010-2011 term, and to the Honorable Joseph A. Dickson, United States Magistrate Judge for the District of New Jersey, for the 2011-2012 term
  • In 2004, Katelyn graduated magna cum laude from University of Notre Dame with a B.A., in Political Science
  • After graduation, she worked for a prominent consulting firm
  • In 2010, Katelyn graduated cum laude from Temple University Beasley School of Law, where she was a Beasley Scholar and Articles Editor of the Temple Law Review

Practice Areas Explained

Katelyn O'Reilly's Areas of Practice

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

Class Action

Katelyn O'Reilly is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in New Jersey →

Product Liability

Katelyn O'Reilly is one of 66,193 product liability attorneys indexed nationally. Browse product liability 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 Newark 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 Newark or all attorneys in New Jersey.

Frequently Asked

Common questions about Katelyn O'Reilly

Where is Katelyn O'Reilly's law office located?
Katelyn O'Reilly's law practice is located in Newark, New Jersey. The firm is Walsh Pizzi O'Reilly Falanga LLP. You can contact the office directly through this profile page.
What practice areas does Katelyn O'Reilly handle?
Katelyn O'Reilly focuses on class action, product liability. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Katelyn O'Reilly practiced law?
Katelyn O'Reilly has 18+ years of legal experience and has been licensed since 2008.
Where did Katelyn O'Reilly go to law school?
Katelyn O'Reilly earned their education at (J.D., 2009).
How can I contact Katelyn O'Reilly for a consultation?
You can contact Katelyn 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.
What awards or recognition has Katelyn O'Reilly received?
Katelyn O'Reilly's notable recognition includes: Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants.

Education

J.D.
Temple University
- 2009

Awards

Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants
- 2026

Bar Admissions

New Jersey, New Jersey State Bar Association
Admitted: 2008

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