Atty. John Patrick Gilligan

Atty. John Patrick Gilligan

John Patrick Gilligan is a lawyer practicing financial institutions litigation, commercial litigation, unfair competition and 13 other areas of law. John received a B.A. degree from Dartmouth College in 1971, and has been licensed for 49 years.

49 yrs experience 49 year
Call (614) 469-0400 Book Appointment

Profile Summary

About John Patrick Gilligan at a glance

John Patrick Gilligan is a Partner practicing in Ohio, practicing at Ice Miller LLP. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on trademark, copyright, personal injury, business, and ip. Admitted to practice in California (1977), U.S. District Court, Northern District of California (1977), Ohio (1981), and U.S. District Court, Southern District of Ohio (1982). Educated at University of California Boalt Hall School of Law (J.D., 1977) and Dartmouth College (B.A., 1971). Recognitions include AV Preeminent.

Verified attorney profile · Updated June 2026

About

  • John Patrick Gilligan is a lawyer practicing financial institutions litigation, commercial litigation, unfair competition and 13 other areas of law
  • John received a B.A. degree from Dartmouth College in 1971, and has been licensed for 49 years
  • John practices at Ice Miller LLP in Columbus, OH

Practice Areas Explained

John Patrick Gilligan's Areas of Practice

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

Trademark Law

John Patrick Gilligan is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Ohio →

Copyright Law

John Patrick Gilligan is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Ohio →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John Patrick Gilligan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Ohio →

Business & Corporate Law

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

John Patrick Gilligan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Ohio →

Intellectual Property

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

John Patrick Gilligan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Ohio →

Jurisdictional Context

Why local counsel matters in Ohio

Practicing law in Ohio. Legal matters in Ohio are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. An attorney licensed in Ohio 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 Ohio courts without local counsel or pro hac vice admission.

Frequently Asked

Common questions about John Patrick Gilligan

Where is John Patrick Gilligan's law office located?
John Patrick Gilligan's law practice is located in Ohio. The firm is Ice Miller LLP. You can contact the office directly through this profile page.
What practice areas does John Patrick Gilligan handle?
John Patrick Gilligan focuses on trademark, copyright, personal injury, business, ip. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has John Patrick Gilligan practiced law?
John Patrick Gilligan has 49+ years of legal experience and has been licensed since 1977.
Where did John Patrick Gilligan go to law school?
John Patrick Gilligan earned their education at (J.D., 1977); (B.A., 1971).
How can I contact John Patrick Gilligan for a consultation?
You can contact John Patrick Gilligan 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 John Patrick Gilligan received?
John Patrick Gilligan's notable recognition includes: AV Preeminent.

Education

J.D.
University of California Boalt Hall School of Law
- 1977
B.A.
Dartmouth College
- 1971

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1977
U.S. District Court, Northern District of California
Admitted: 1977
Ohio
Admitted: 1981
U.S. District Court, Southern District of Ohio
Admitted: 1982
U.S. District Court, Northern District of Ohio
Admitted: 1986
U.S. Court of Appeals, Sixth Circuit
Admitted: 1990
Pennsylvania
Admitted: 1991
U.S. Court of Appeals, Fourth Circuit
Admitted: 2003

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