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Dennis Eugene Diesen, International Tax Attorney in Irving, Texas

Over 26 years of legal practice · focused on International Tax and Tax

Irving, TX

Practicing international tax in Irving since 2000.

26+
Years practicing
1
Bar admission

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Quick answer

Dennis Eugene Diesen is an attorney based in Irving, TX. The practice focuses on International Tax and Tax. Dennis has over 26 years of legal experience.

Based in
Irving, TX
Experience
over 26 years
Known for
International Tax · Tax
  • Handles International Tax and Tax matters from Irving, TX.
  • Over 26 years of practice as a licensed attorney.

About Dennis Eugene Diesen: Dennis Eugene Diesen is an attorney based in Irving, TX. The practice focuses on International Tax and Tax. Dennis has over 26 years of legal experience.

Areas of practice

Dennis's practice areas in Irving

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

International Tax cases in Irving, Texas

Dennis takes international tax matters in Irving, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.

Tax cases in Irving, Texas

Dennis takes tax matters in Irving, Texas. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.

Biography

Dennis Eugene Diesen, international tax attorney serving Irving

Dennis Eugene Diesen is an attorney based in Irving, TX. The practice focuses on International Tax and Tax. Dennis has over 26 years of legal experience. Dennis works from Irving, Texas and takes on international tax matters across the region.

Dennis Eugene Diesen is a lawyer practicing u.s. federal tax, international taxation. Dennis received a B.S. degree from Virginia Tech in 1991, and has been licensed for 26 years. Dennis practices in Irving, TX.

Dennis's approach to international tax cases

Dennis Eugene Diesen is a lawyer practicing u.s. federal tax, international taxation. Dennis received a B.S. degree from Virginia Tech in 1991, and has been licensed for 26 years. Dennis practices in Irving, TX.

The kind of cases Dennis takes

Dennis reviews new inquiries case-by-case for international tax and tax matters in Irving and the surrounding Texas area.

Credentials

Credentials — where Dennis studied and practices

  • George Mason University

    J.D. · 2000

  • Virginia Tech

    B.S. Virginia · 1991

Jurisdictions

Dennis's state bar admissions

  • Virginia

    2000 · ACTIVE

Dennis studied at J.D. in George Mason University and B.S. Virginia in Virginia Tech.

Law school and academic background

Dennis completed J.D. in George Mason University and B.S. Virginia in Virginia Tech. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dennis runs in Texas is where that training gets applied to real client questions.

Locations

Dennis Eugene Diesen's office in Irving

Dennis's primary office is at 5959 Las Colinas Boulevard, Irving, TX, 75039. In-person meetings are by appointment; a phone intake usually comes first.

Main office

5959 Las Colinas Boulevard

Irving, TX 75039

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Client feedback

Client reviews of Dennis Eugene Diesen

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Hiring guide

How to hire Dennis Eugene Diesen — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a international tax attorney in Irving, Texas

A short list to run through before you commit: How many international tax 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 Dennis

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

Hourly rates, contingency fees, and flat-fee options

Every international tax 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. Dennis confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about Dennis Eugene Diesen

  • How much does it cost to hire Dennis for a international tax case?

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

  • Does Dennis offer a free consultation?

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

  • How long do international tax cases in Texas typically take?

    Simple international tax 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. Dennis gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Dennis take my case if I'm outside Irving?

    Dennis is licensed in Texas. Matters governed by Texas law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Dennis 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 Dennis?

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

  • Is Dennis accepting new international tax clients right now?

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

Areas served

International Tax attorneys serving Irving, Houston and Dallas in Texas

Dennis handles international tax matters throughout Texas. Each city below is a direct link into the search page for verified international tax attorneys in that community.

More counsel

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