Mr. Mr. Patrick Derdenger, Estate Litigation Attorney in Phoenix, Arizona
Over 52 years of legal practice · focused on Estate Litigation, General, and Internet · 5.0/5 rating from 1 verified client review
PartneratSteptoe LLP
Phoenix, AZ
Practicing estate litigation in Phoenix since 1974.
- 52+
- Years practicing
- 5.0 ★
- 1 client review
- 3
- Bar admissions
Are you Mr. Patrick Derdenger?
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Quick answer
Mr. Patrick Derdenger is a partner based in Phoenix, AZ. The practice focuses on Estate Litigation, General, and Internet. Mr. has over 52 years of legal experience. Currently practicing at Steptoe LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Phoenix, AZ
- Experience
- over 52 years
- Known for
- Estate Litigation · General · Internet
- Handles Estate Litigation, General, and Internet matters from Phoenix, AZ.
- Over 52 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Mr. Patrick Derdenger: Mr. Patrick Derdenger is a partner based in Phoenix, AZ. The practice focuses on Estate Litigation, General, and Internet. Mr. has over 52 years of legal experience. Currently practicing at Steptoe LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters Patrick takes on
Patrick concentrates on estate litigation, general, internet, tax, and tax litigation. Each area below outlines the kind of case Patrick handles, typical outcomes to expect, and how the intake process starts.
Estate Litigation
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General
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Internet
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Tax
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Tax Litigation
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Real Estate
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Estate Litigation cases in Phoenix, Arizona
Patrick takes estate 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 Patrick agrees to represent you.
General cases in Phoenix, Arizona
Patrick takes general 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 Patrick agrees to represent you.
Internet cases in Phoenix, Arizona
Patrick takes internet 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 Patrick agrees to represent you.
Tax cases in Phoenix, Arizona
Patrick takes tax 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 Patrick agrees to represent you.
Tax Litigation cases in Phoenix, Arizona
Patrick takes tax 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 Patrick agrees to represent you.
Biography
Meet Mr. Patrick Derdenger — estate litigation lawyer in Phoenix
Mr. Patrick Derdenger is a partner based in Phoenix, AZ. The practice focuses on Estate Litigation, General, and Internet. Mr. has over 52 years of legal experience. Currently practicing at Steptoe LLP. Rated 5.0 out of 5 from 1 client review.
Mr Patrick Derdenger is a lawyer practicing tax, state & local tax, irs controversy & tax litigation and 4 other areas of law. Patrick received a B.A. degree from Loyola University of Los Angeles in 1968, and has been licensed for 52 years. Patrick practices at Steptoe LLP in Phoenix, AZ and 1 other location.
Working with Patrick on a estate litigation matter
Mr Patrick Derdenger is a lawyer practicing tax, state & local tax, irs controversy & tax litigation and 4 other areas of law. Patrick received a B.A. degree from Loyola University of Los Angeles in 1968, and has been licensed for 52 years. Patrick practices at Steptoe LLP in Phoenix, AZ and 1 other location.
Clients Patrick works with
Patrick reviews new inquiries case-by-case for estate litigation, general, and internet matters in Phoenix and the surrounding Arizona area.
Credentials
Education, bar admissions, and languages
The George Washington University
LL.M. · 1977
Loyola University of Los Angeles
B.A. University · 1968
Jurisdictions
Patrick's state bar admissions
Oregon
1979 · ACTIVE
Arizona
1979 · ACTIVE
California
1974 · ACTIVE
Patrick studied at LL.M. in The George Washington University and B.A. University in Loyola University of Los Angeles.
Law school and academic background
Patrick completed LL.M. in The George Washington University and B.A. University in Loyola University of Los Angeles. Formal legal training is one signal of substantive knowledge — the day-to-day practice Patrick runs in Arizona is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Patrick has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Mr. Patrick Derdenger's office in Phoenix
Patrick's primary office is at Collier Center, 201 East Washington Street, 16th Floor, Phoenix, AZ, 85004-2382. In-person meetings are by appointment; a phone intake usually comes first.
Steptoe LLP
Collier Center, 201 East Washington Street, 16th Floor
Phoenix, AZ 85004-2382
Open in Google MapsClient feedback
Client reviews of Mr. Patrick Derdenger — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Patrick. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing estate litigation attorneys in Phoenix.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mr. Patrick Derdenger claims this profile.
Read all reviewsHiring guide
How to hire Mr. Patrick Derdenger — what to expect in your first consultation
Working with a new estate litigation attorney should feel structured. Here's how the first two conversations with Patrick usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Patrick charges for the initial consult. That fee is credited toward representation if you retain Patrick'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; Patrick will tell you what matters and what doesn't.
Questions to ask a estate litigation attorney in Phoenix, Arizona
A short list to run through before you commit: How many estate litigation 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 Patrick
Patrick discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in estate litigation practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every estate litigation 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. Patrick confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Patrick's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many estate litigation practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mr. Patrick Derdenger
How much does it cost to hire Patrick for a estate litigation case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Patrick walks through the likely range during the consult so there are no surprises.
Does Patrick offer a free consultation?
Patrick charges for the initial consult; that fee is credited toward representation if you retain Patrick's office. Some estate litigation attorneys offer free consults — check Patrick's current terms during booking.
How long do estate litigation cases in Arizona typically take?
Simple estate litigation 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. Patrick gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Patrick take my case if I'm outside Phoenix?
Patrick 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 — Patrick 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 Patrick?
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. Patrick will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Patrick accepting new estate litigation clients right now?
Patrick's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Estate Litigation attorneys serving Phoenix, Tucson and Scottsdale in Arizona
Patrick handles estate litigation matters throughout Arizona. Each city below is a direct link into the search page for verified estate litigation attorneys in that community.
More counsel
Other top-rated estate litigation attorneys in Arizona
If Patrick's intake is full or the fit isn't right, these estate litigation attorneys in Phoenix handle similar matters. Every profile below is verified and open to consultations.





