AS

Allan S. Mostoff, Business Attorney in Washington, District of Columbia

Over 68 years of legal practice · focused on Business, Consumer, and Entertainment · 5.0/5 rating from 1 verified client review

Of CounselatDechert Llp

Washington, DC

Practicing business in Washington since 1958.

68+
Years practicing
5.0 ★
1 client review
2
Bar admissions

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Quick answer

Allan S. Mostoff is an of counsel based in Washington, DC. The practice focuses on Business, Consumer, and Entertainment. Allan has over 68 years of legal experience. Currently practicing at Dechert Llp. Rated 5.0 out of 5 from 1 client review.

Based in
Washington, DC
Experience
over 68 years
Known for
Business · Consumer · Entertainment
  • Handles Business, Consumer, and Entertainment matters from Washington, DC.
  • Over 68 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Allan S. Mostoff: Allan S. Mostoff is an of counsel based in Washington, DC. The practice focuses on Business, Consumer, and Entertainment. Allan has over 68 years of legal experience. Currently practicing at Dechert Llp. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Legal matters Allan takes on

Allan concentrates on business, consumer, entertainment, general, and securities. Each area below outlines the kind of case Allan handles, typical outcomes to expect, and how the intake process starts.

Business cases in Washington, District of Columbia

Allan 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 Allan agrees to represent you.

Consumer cases in Washington, District of Columbia

Allan takes consumer 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 Allan agrees to represent you.

Entertainment cases in Washington, District of Columbia

Allan takes entertainment 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 Allan agrees to represent you.

General cases in Washington, District of Columbia

Allan 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 Allan agrees to represent you.

Securities cases in Washington, District of Columbia

Allan takes securities 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 Allan agrees to represent you.

Biography

Meet Allan S. Mostoff — business lawyer in Washington

Allan S. Mostoff is an of counsel based in Washington, DC. The practice focuses on Business, Consumer, and Entertainment. Allan has over 68 years of legal experience. Currently practicing at Dechert Llp. Rated 5.0 out of 5 from 1 client review.

Mr. Allan S. Mostoff is a lawyer practicing advertising, securities / investment fraud, federal regulation and 1 other area of law. Allan received a B.S. degree from Cornell University in 1953, and has been licensed for 68 years. Allan practices at Dechert LLP in Washington, DC.

Allan's approach to business cases

Mr. Allan S. Mostoff is a lawyer practicing advertising, securities / investment fraud, federal regulation and 1 other area of law. Allan received a B.S. degree from Cornell University in 1953, and has been licensed for 68 years. Allan practices at Dechert LLP in Washington, DC.

Clients Allan works with

Allan reviews new inquiries case-by-case for business, consumer, and entertainment matters in Washington and the surrounding District of Columbia area.

Credentials

Education, bar admissions, and languages

  • New York Law School

    LL.B. · 1957

  • Cornell University

    B.S. New · 1953

Jurisdictions

Allan's state bar admissions

  • District of Columbia

    1964 · ACTIVE

  • New York

    1958 · ACTIVE

Allan studied at LL.B. in New York Law School and B.S. New in Cornell University.

Law school and academic background

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

Recognition

Recognition and thought leadership

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

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Allan's professional memberships and bar associations

  • American (Investment Companies Subcommittee, Federal Regulation of Securities Law Committee, Corporation, Banking and Business Law Section) and Federal (Executive Council, Securities Law Committee) Bar Associations

    membership

Locations

Allan S. Mostoff's office in Washington

Allan's primary office is at 1900 K Street, N.W., Washington, DC, 20006. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Dechert Llp

1900 K Street, N.W.

Washington, DC 20006

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Client feedback

Client reviews of Allan S. Mostoff — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Allan. 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 Allan S. Mostoff claims this profile.

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Hiring guide

How to hire Allan S. Mostoff — what to expect in your first consultation

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

Consultation formats and pricing

Allan charges for the initial consult. That fee is credited toward representation if you retain Allan'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; Allan 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 Allan

Allan 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. Allan confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Allan'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 Allan S. Mostoff

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

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

  • Does Allan offer a free consultation?

    Allan charges for the initial consult; that fee is credited toward representation if you retain Allan's office. Some business attorneys offer free consults — check Allan'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. Allan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

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

    Allan 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 — Allan 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 Allan?

    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. Allan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Allan accepting new business clients right now?

    Allan'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

Allan 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.

More counsel

If Allan's intake is full or the fit isn't right, these business attorneys in Washington handle similar matters. Every profile below is verified and open to consultations.