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Peter Gabor Haller, Government Attorney in Washington, District of Columbia

Over 25 years of legal practice · focused on Government and Tax

AssociateatStone Mattheis Xenopoulos And Brew Pc

Washington, DC

Practicing government in Washington since 2001.

25+
Years practicing
2
Bar admissions

Practices in

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Quick answer

Peter Gabor Haller is an associate based in Washington, DC. The practice focuses on Government and Tax. Peter has over 25 years of legal experience. Currently practicing at Stone Mattheis Xenopoulos And Brew Pc.

Based in
Washington, DC
Experience
over 25 years
Known for
Government · Tax
  • Handles Government and Tax matters from Washington, DC.
  • Over 25 years of practice as a licensed attorney.

About Peter Gabor Haller: Peter Gabor Haller is an associate based in Washington, DC. The practice focuses on Government and Tax. Peter has over 25 years of legal experience. Currently practicing at Stone Mattheis Xenopoulos And Brew Pc.

Areas of practice

Peter's practice areas in Washington

Peter concentrates on government and tax. Each area below outlines the kind of case Peter handles, typical outcomes to expect, and how the intake process starts.

Government cases in Washington, District of Columbia

Peter takes government 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 Peter agrees to represent you.

Tax cases in Washington, District of Columbia

Peter takes tax 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 Peter agrees to represent you.

Biography

Peter Gabor Haller, government attorney serving Washington

Peter Gabor Haller is an associate based in Washington, DC. The practice focuses on Government and Tax. Peter has over 25 years of legal experience. Currently practicing at Stone Mattheis Xenopoulos And Brew Pc. Peter works from Washington, District of Columbia and takes on government matters across the region.

Peter Gabor Haller is a lawyer practicing tax, administrative law. Peter received a B.S. degree from Carnegie Mellon University in 1995, and has been licensed for 25 years. Peter practices at Stone Mattheis Xenopoulos & Brew, PC in Washington, DC.

Peter's approach to government cases

Peter Gabor Haller is a lawyer practicing tax, administrative law. Peter received a B.S. degree from Carnegie Mellon University in 1995, and has been licensed for 25 years. Peter practices at Stone Mattheis Xenopoulos & Brew, PC in Washington, DC.

Clients Peter works with

Peter reviews new inquiries case-by-case for government and tax matters in Washington and the surrounding District of Columbia area.

Credentials

Credentials — where Peter studied and practices

  • George Washington University Law School

    J.D. · 2000

  • Carnegie Mellon University

    B.S. · 1995

Jurisdictions

Peter's state bar admissions

  • District of Columbia

    2008 · ACTIVE

  • New York

    2001 · ACTIVE

Peter studied at J.D. in George Washington University Law School and B.S. in Carnegie Mellon University.

Law school and academic background

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

Locations

Peter Gabor Haller's office in Washington

Peter's primary office is at West Tower, 8th Floor, 1025 Thomas Jefferson Street, N.W., Washington, DC, 20007-5201. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Stone Mattheis Xenopoulos And Brew Pc

West Tower, 8th Floor, 1025 Thomas Jefferson Street, N.W.

Washington, DC 20007-5201

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Client feedback

Client reviews of Peter Gabor Haller

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Hiring guide

How to hire Peter Gabor Haller — what to expect in your first consultation

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

Consultation formats and pricing

Peter charges for the initial consult. That fee is credited toward representation if you retain Peter'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; Peter will tell you what matters and what doesn't.

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

A short list to run through before you commit: How many government 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 Peter

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

Hourly rates, contingency fees, and flat-fee options

Every government 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. Peter confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about Peter Gabor Haller

  • How much does it cost to hire Peter for a government case?

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

  • Does Peter offer a free consultation?

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

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

    Simple government 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. Peter gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

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

    Peter 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 — Peter 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 Peter?

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

  • Is Peter accepting new government clients right now?

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

Areas served

Government attorneys serving Washington and Belize City in District of Columbia

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

More counsel

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