
Mark Nichol Duvall, Employment Attorney in Washington, District of Columbia
Over 48 years of legal practice · focused on Employment, Environmental, and General
PrincipalatBeveridge And Diamond P C
Washington, DC
Practicing employment in Washington since 1978.
- 48+
- Years practicing
- 7
- Bar admissions
Practices in
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Quick answer
Mark Nichol Duvall is a principal based in Washington, DC. The practice focuses on Employment, Environmental, and General. Mark has over 48 years of legal experience. Currently practicing at Beveridge And Diamond P C.
- Based in
- Washington, DC
- Experience
- over 48 years
- Known for
- Employment · Environmental · General
- Handles Employment, Environmental, and General matters from Washington, DC.
- Over 48 years of practice as a licensed attorney.
About Mark Nichol Duvall: Mark Nichol Duvall is a principal based in Washington, DC. The practice focuses on Employment, Environmental, and General. Mark has over 48 years of legal experience. Currently practicing at Beveridge And Diamond P C.
Areas of practice
Mark's practice areas in Washington
Mark concentrates on employment, environmental, general, and health care. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Employment
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Environmental
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General
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Health Care
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Employment cases in Washington, District of Columbia
Mark takes employment 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 Mark agrees to represent you.
Environmental cases in Washington, District of Columbia
Mark takes environmental 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 Mark agrees to represent you.
General cases in Washington, District of Columbia
Mark 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 Mark agrees to represent you.
Health Care cases in Washington, District of Columbia
Mark 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 Mark agrees to represent you.
Biography
Mark Nichol Duvall, employment attorney serving Washington
Mark Nichol Duvall is a principal based in Washington, DC. The practice focuses on Employment, Environmental, and General. Mark has over 48 years of legal experience. Currently practicing at Beveridge And Diamond P C. Mark works from Washington, District of Columbia and takes on employment matters across the region.
Mark Nichol Duvall is a lawyer practicing health, safety, osha and 3 other areas of law. Mark received a B.A. degree from Amherst College in 1974, and has been licensed for 48 years. Mark practices at Beveridge & Diamond, P.C. in Washington, DC.
How Mark handles employment matters
Mark Nichol Duvall is a lawyer practicing health, safety, osha and 3 other areas of law. Mark received a B.A. degree from Amherst College in 1974, and has been licensed for 48 years. Mark practices at Beveridge & Diamond, P.C. in Washington, DC.
The kind of cases Mark takes
Mark reviews new inquiries case-by-case for employment, environmental, and general matters in Washington and the surrounding District of Columbia area.
Credentials
Credentials — where Mark studied and practices
University of Virginia Law School
J.D. · 1978
Amherst College
B.A. · 1974
Jurisdictions
Mark's state bar admissions
Michigan
2001 · ACTIVE
Connecticut
1988 · ACTIVE
U.S. Court of Appeal
1987 · ACTIVE
U.S. Supreme Court
1982 · ACTIVE
U.S. Temporary Emerg
1981 · ACTIVE
U.S. District Court
1979 · ACTIVE
District of Columbia
1978 · ACTIVE
Mark studied at J.D. in University of Virginia Law School and B.A. in Amherst College.
Law school and academic background
Mark completed J.D. in University of Virginia Law School and B.A. in Amherst College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in District of Columbia is where that training gets applied to real client questions.
Affiliations
Mark's professional memberships and bar associations
Connecticut and American Bar Associations District of Columbia Bar State Bar of Michigan The Corporate Bar Association of Westchester and Fairfield, Inc
membership
Locations
Mark Nichol Duvall's office in Washington
Mark's primary office is at 1350 I Street, N.W., Suite 700, Washington, DC, 20005-3311. In-person meetings are by appointment; a phone intake usually comes first.
Beveridge And Diamond P C
1350 I Street, N.W., Suite 700
Washington, DC 20005-3311
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Schedule your consultationHiring guide
How to hire Mark Nichol Duvall — what to expect in your first consultation
Working with a new employment attorney should feel structured. Here's how the first two conversations with Mark usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mark charges for the initial consult. That fee is credited toward representation if you retain Mark'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; Mark will tell you what matters and what doesn't.
Questions to ask a employment attorney in Washington, District of Columbia
A short list to run through before you commit: How many employment 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 Mark
Mark discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in employment practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every employment 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. Mark confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mark's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many employment practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mark Nichol Duvall
How much does it cost to hire Mark for a employment case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mark walks through the likely range during the consult so there are no surprises.
Does Mark offer a free consultation?
Mark charges for the initial consult; that fee is credited toward representation if you retain Mark's office. Some employment attorneys offer free consults — check Mark's current terms during booking.
How long do employment cases in District of Columbia typically take?
Simple employment 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. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mark take my case if I'm outside Washington?
Mark 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 — Mark 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 Mark?
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. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mark accepting new employment clients right now?
Mark's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Employment attorneys serving Washington and Belize City in District of Columbia
Mark handles employment matters throughout District of Columbia. Each city below is a direct link into the search page for verified employment attorneys in that community.
More counsel
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