Atty. John Thomas Gaffney

Atty. John Thomas Gaffney

John Thomas Gaffney is a lawyer practicing mergers and acquisitions, capital markets, securities regulation and corporate governance. John received a degree from George Washington University in 1982, and has been licensed for 39 years.

Los Angeles Los Angeles 39 yrs experience 39 year
Call (747) 250-8370 Book Appointment

Profile Summary

About John Thomas Gaffney at a glance

John Thomas Gaffney is a Partner based in Los Angeles, California, practicing at Gibson Dunn And Crutcher Llp. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on business and m&a. Admitted to practice in New York (1987). Educated at New York University School of Law (JD, 1986) and George Washington University (Bachelor, 1982). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Thomas Gaffney is a lawyer practicing mergers and acquisitions, capital markets, securities regulation and corporate governance
  • John received a degree from George Washington University in 1982, and has been licensed for 39 years
  • John practices at Gibson, Dunn & Crutcher LLP in Los Angeles, CA

Practice Areas Explained

John Thomas Gaffney's Areas of Practice

Each practice area below reflects the types of cases John Thomas Gaffney 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.

John Thomas Gaffney is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

John Thomas Gaffney is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about John Thomas Gaffney

Where is John Thomas Gaffney's law office located?
John Thomas Gaffney's law practice is located in Los Angeles, California. The firm is Gibson Dunn And Crutcher Llp. You can contact the office directly through this profile page.
What practice areas does John Thomas Gaffney handle?
John Thomas Gaffney focuses on business, m&a. Each practice area listed reflects experience handling cases of that type in California.
How long has John Thomas Gaffney practiced law?
John Thomas Gaffney has 39+ years of legal experience and has been licensed since 1987.
Where did John Thomas Gaffney go to law school?
John Thomas Gaffney earned their education at (JD, 1986); (Bachelor, 1982).
How can I contact John Thomas Gaffney for a consultation?
You can contact John Thomas Gaffney 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

JD
New York University School of Law
- 1986
Bachelor
George Washington University
- 1982

Bar Admissions

New York
Admitted: 1987

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