Atty. Mr Patrick Derdenger
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.
IRS Controversy & Tax Litigation & More Attorney · Serving Phoenix, AZ · 52+ Years Experience
Profile Summary
About Mr Patrick Derdenger at a Glance
Mr Patrick Derdenger is a Partner based in Phoenix, Arizona, practicing at Steptoe LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on real estate, tax, tax litigation, estate litigation, and internet. Admitted to practice in California (1974), Arizona (1979), and Oregon (1979). Educated at The George Washington University (LL.M., 1977) and Loyola University of Los Angeles (B.A. University, 1968). Recognitions include AV Preeminent. Serves clients in Phoenix, AZ and the surrounding metropolitan area.
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About Mr Patrick Derdenger
- 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
Practice Areas Explained
Mr Patrick Derdenger's Areas of Legal Practice
Each practice area below reflects the types of cases Mr Patrick Derdenger handles, with a practical overview of what that area of law involves and how it may apply to your situation in Phoenix.
Real Estate Law in Phoenix
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Mr Patrick Derdenger is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Arizona →
Tax Law in Phoenix
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mr Patrick Derdenger is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Arizona →
Tax Litigation in Phoenix
Mr Patrick Derdenger is one of 3,087 tax litigation attorneys indexed nationally. Browse tax litigation attorneys in Arizona →
Estate & Trust Litigation in Phoenix
Mr Patrick Derdenger is one of 19,876 estate litigation attorneys indexed nationally. Browse estate litigation attorneys in Arizona →
Internet & Cyber Law in Phoenix
Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.
Mr Patrick Derdenger is one of 17,826 internet attorneys indexed nationally. Browse internet attorneys in Arizona →
Jurisdictional Context
Why Local Counsel Matters in Phoenix
Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Arizona courts without local counsel or pro hac vice admission.
Phoenix Courts and Legal Process
Choosing a Phoenix-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.
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Professional Profile
Why Clients in Phoenix Choose Mr Patrick Derdenger
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mr Patrick Derdenger's practice in the field of real estate, tax, tax litigation, estate litigation, and internet.
Decade-Tested Legal Experience
Mr Patrick Derdenger brings 52+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in California, Arizona, and Oregon, Mr Patrick Derdenger can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering real estate, tax, and tax litigation, Mr Patrick Derdenger can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Phoenix
A Phoenix-based practice means Mr Patrick Derdenger attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mr Patrick Derdenger Handles in Phoenix
Below is a representative sample of the types of matters Mr Patrick Derdenger has experience with under Arizona law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mr Patrick Derdenger directly to discuss the specifics of your situation.
Search Reference
How People Find Mr Patrick Derdenger Online
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Mr Patrick Derdenger's Practice Areas & Specializations
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