JM

J. Mark Gidley, Business Attorney in Washington, District of Columbia

Over 39 years of legal practice · focused on Business, General, and Health Care · 5.0/5 rating from 1 verified client review

PartneratWhite & Case LLP

Washington, DC

Practicing business in Washington since 1987.

39+
Years practicing
5.0 ★
1 client review
3
Bar admissions

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Quick answer

J. Mark Gidley is a partner based in Washington, DC. The practice focuses on Business, General, and Health Care. J. has over 39 years of legal experience. Currently practicing at White & Case LLP. Rated 5.0 out of 5 from 1 client review.

Based in
Washington, DC
Experience
over 39 years
Known for
Business · General · Health Care
  • Handles Business, General, and Health Care matters from Washington, DC.
  • Over 39 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About J. Mark Gidley: J. Mark Gidley is a partner based in Washington, DC. The practice focuses on Business, General, and Health Care. J. has over 39 years of legal experience. Currently practicing at White & Case LLP. Rated 5.0 out of 5 from 1 client review.

Areas of practice

J.'s practice areas in Washington

J. concentrates on business, general, health care, and litigation. Each area below outlines the kind of case J. handles, typical outcomes to expect, and how the intake process starts.

Business cases in Washington, District of Columbia

J. takes business matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before J. agrees to represent you.

General cases in Washington, District of Columbia

J. takes general matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before J. agrees to represent you.

Health Care cases in Washington, District of Columbia

J. takes health care matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before J. agrees to represent you.

Litigation cases in Washington, District of Columbia

J. takes litigation matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before J. agrees to represent you.

Biography

J. Mark Gidley, business attorney serving Washington

J. Mark Gidley is a partner based in Washington, DC. The practice focuses on Business, General, and Health Care. J. has over 39 years of legal experience. Currently practicing at White & Case LLP. Rated 5.0 out of 5 from 1 client review. J. works from Washington, District of Columbia and takes on business matters across the region.

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.

Working with J. on a business matter

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.

Who J. represents

J. reviews new inquiries case-by-case for business, general, and health care matters in Washington and the surrounding District of Columbia area.

Credentials

Credentials — where J. studied and practices

  • Columbia Law School

    J.D. · 1986

  • University of Kansas

    B.S. University · 1983

Jurisdictions

J.'s state bar admissions

  • District of Columbia

    1989 · ACTIVE

  • Texas U.S. District

    1989 · ACTIVE

  • New York

    1987 · ACTIVE

J. studied at J.D. in Columbia Law School and B.S. University in University of Kansas.

Law school and academic background

J. completed J.D. in Columbia Law School and B.S. University in University of Kansas. Formal legal training is one signal of substantive knowledge — the day-to-day practice J. runs in District of Columbia is where that training gets applied to real client questions.

Recognition

J.'s legal honors and published work

J. has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

J.'s professional memberships and bar associations

  • The Association of the Bar of the City of New York District of Columbia Bar American Bar Association

    membership

Locations

J. Mark Gidley's office in Washington

J.'s primary office is at 701 Thirteenth Street, NW, Washington, DC, 20005-3807. In-person meetings are by appointment; a phone intake usually comes first.

Main office

White & Case LLP

701 Thirteenth Street, NW

Washington, DC 20005-3807

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Client feedback

Client reviews of J. Mark Gidley — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of J.. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Washington.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once J. Mark Gidley claims this profile.

Read all reviews

Hiring guide

How to hire J. Mark Gidley — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with J. usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

J. charges for the initial consult. That fee is credited toward representation if you retain J.'s office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; J. will tell you what matters and what doesn't.

Questions to ask a business attorney in Washington, District of Columbia

A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for J.

J. discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. J. confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

J.'s office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about J. Mark Gidley

  • How much does it cost to hire J. for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. J. walks through the likely range during the consult so there are no surprises.

  • Does J. offer a free consultation?

    J. charges for the initial consult; that fee is credited toward representation if you retain J.'s office. Some business attorneys offer free consults — check J.'s current terms during booking.

  • How long do business cases in District of Columbia typically take?

    Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. J. gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can J. take my case if I'm outside Washington?

    J. is licensed in District of Columbia. Matters governed by District of Columbia law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — J. will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with J.?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. J. will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is J. accepting new business clients right now?

    J.'s intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Business attorneys serving Washington and Belize City in District of Columbia

J. handles business matters throughout District of Columbia. Each city below is a direct link into the search page for verified business attorneys in that community.