Mr. Mr. Mark A. Nadeau, ADR Attorney in Phoenix, Arizona
Over 45 years of legal practice · focused on ADR, Education, and International · 4.9/5 rating from 3 verified client reviews
Co-managing PartneratDLA Piper LLP
Phoenix, AZ
Practicing adr in Phoenix since 1981.
- 45+
- Years practicing
- 4.9 ★
- 3 client reviews
- 3
- Bar admissions
Are you Mr. Mark A. Nadeau?
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Quick answer
Mr. Mark A. Nadeau is a co-managing partner based in Phoenix, AZ. The practice focuses on ADR, Education, and International. Mr. has over 45 years of legal experience. Currently practicing at DLA Piper LLP. Rated 4.9 out of 5 from 3 client reviews.
- Based in
- Phoenix, AZ
- Experience
- over 45 years
- Known for
- ADR · Education · International
- Handles ADR, Education, and International matters from Phoenix, AZ.
- Over 45 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Mr. Mark A. Nadeau: Mr. Mark A. Nadeau is a co-managing partner based in Phoenix, AZ. The practice focuses on ADR, Education, and International. Mr. has over 45 years of legal experience. Currently practicing at DLA Piper LLP. Rated 4.9 out of 5 from 3 client reviews.
Areas of practice
Practice areas handled by Mr. Mark A. Nadeau
Mark concentrates on adr, education, international, litigation, and product liability. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
ADR
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Education
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International
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Litigation
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Product Liability
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ADR cases in Phoenix, Arizona
Mark takes adr matters in Phoenix, Arizona. 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.
Education cases in Phoenix, Arizona
Mark takes education matters in Phoenix, Arizona. 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.
International cases in Phoenix, Arizona
Mark takes international matters in Phoenix, Arizona. 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.
Litigation cases in Phoenix, Arizona
Mark takes litigation matters in Phoenix, Arizona. 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.
Product Liability cases in Phoenix, Arizona
Mark takes product liability matters in Phoenix, Arizona. 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
About Mr. Mark A. Nadeau — Over 45 years of Arizona adr experience
Mr. Mark A. Nadeau is a co-managing partner based in Phoenix, AZ. The practice focuses on ADR, Education, and International. Mr. has over 45 years of legal experience. Currently practicing at DLA Piper LLP. Rated 4.9 out of 5 from 3 client reviews.
Mr Mark A. Nadeau is a lawyer practicing international arbitration, litigation and arbitration, product liability and 4 other areas of law. Mark received a B.A. degree from University of Colorado in 1976, and has been licensed for 45 years. Mark practices at DLA Piper LLP in Phoenix, AZ.
Working with Mark on a adr matter
Mr Mark A. Nadeau is a lawyer practicing international arbitration, litigation and arbitration, product liability and 4 other areas of law. Mark received a B.A. degree from University of Colorado in 1976, and has been licensed for 45 years. Mark practices at DLA Piper LLP in Phoenix, AZ.
Who Mark represents
Mark reviews new inquiries case-by-case for adr, education, and international matters in Phoenix and the surrounding Arizona area.
Credentials
Mr. Mark A. Nadeau's legal education and bar admissions
University of Pittsburgh School of Law
J.D. · 1981
University of Colorado
B.A. · 1976
Jurisdictions
Mark's state bar admissions
Indiana
2008 · ACTIVE
Arizona U.S. Distric
1987 · ACTIVE
Colorado
1981 · ACTIVE
Mark studied at J.D. in University of Pittsburgh School of Law and B.A. in University of Colorado.
Law school and academic background
Mark completed J.D. in University of Pittsburgh School of Law and B.A. in University of Colorado. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in Arizona is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Mr. Mark A. Nadeau
Mark has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Mark's professional memberships and bar associations
State Bar of Arizona International Chamber of Commerce (Panel of Arbitrators) Congress of Fellows, Center for International Legal Studies
membership
Locations
Mr. Mark A. Nadeau's office in Phoenix
Mark's primary office is at 2525 E. Camelback Rd., Ste. 1000, Phoenix, AZ, 85016-4232. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mr. Mark A. Nadeau — 4.9/5 rating from 3 verified client reviews
Every review below is from a verified client of Mark. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing adr attorneys in Phoenix.
4.9
3 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mr. Mark A. Nadeau claims this profile.
Read all reviewsHiring guide
How to hire Mr. Mark A. Nadeau — what to expect in your first consultation
Working with a new adr 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 adr attorney in Phoenix, Arizona
A short list to run through before you commit: How many adr 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 adr practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every adr 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 adr practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mr. Mark A. Nadeau
How much does it cost to hire Mark for a adr 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 adr attorneys offer free consults — check Mark's current terms during booking.
How long do adr cases in Arizona typically take?
Simple adr 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 Phoenix?
Mark is licensed in Arizona. Matters governed by Arizona 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 adr 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
ADR attorneys serving Phoenix, Tucson and Scottsdale in Arizona
Mark handles adr matters throughout Arizona. Each city below is a direct link into the search page for verified adr attorneys in that community.
More counsel
Other top-rated adr attorneys in Arizona
If Mark's intake is full or the fit isn't right, these adr attorneys in Phoenix handle similar matters. Every profile below is verified and open to consultations.





