Atty. J. Mark Gidley

Atty. J. Mark Gidley

Mr. J.

Washington Washington 39 yrs experience 39 year
Call (443) 909-5145 Book Appointment

Profile Summary

About J. Mark Gidley at a glance

J. Mark Gidley is a Partner based in Washington, District of Columbia, practicing at White & Case LLP. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on business, litigation, and health care. Admitted to practice in New York (1987), District of Columbia (1989), and Texas U.S. District Courts, Southern and Eastern Districts of New York U.S. District Court for the D (1989). Educated at Columbia Law School (J.D., 1986) and University of Kansas (B.S. University, 1983). Recognitions include AV Preeminent. Active member of The Association of the Bar of the City of New York District of Columbia Bar American Bar Association. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. J. Mark Gidley is a lawyer practicing commercial, commercial litigation, antitrust and 1 other area of law
  • J. received a B.S. degree from University of Kansas in 1983, and has been licensed for 39 years
  • J. practices at White & Case LLP in Washington, DC

Practice Areas Explained

J. Mark Gidley's Areas of Practice

Each practice area below reflects the types of cases J. Mark Gidley 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.

J. Mark Gidley is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

J. Mark Gidley is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Health Care Law

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

J. Mark Gidley is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about J. Mark Gidley

Where is J. Mark Gidley's law office located?
J. Mark Gidley's law practice is located in Washington, District of Columbia. The firm is White & Case LLP. You can contact the office directly through this profile page.
What practice areas does J. Mark Gidley handle?
J. Mark Gidley focuses on business, litigation, health care. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has J. Mark Gidley practiced law?
J. Mark Gidley has 39+ years of legal experience and has been licensed since 1987.
Where did J. Mark Gidley go to law school?
J. Mark Gidley earned their education at (J.D., 1986); (B.S. University, 1983).
How can I contact J. Mark Gidley for a consultation?
You can contact J. Mark Gidley 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 J. Mark Gidley received?
J. Mark Gidley's notable recognition includes: AV Preeminent.

Education

J.D.
Columbia Law School
- 1986
B.S. University
University of Kansas
- 1983

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1987
District of Columbia
Admitted: 1989
Texas U.S. District Courts, Southern and Eastern Districts of New York U.S. District Court for the D
Admitted: 1989

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