Atty. William P Sullivan

Atty. William P Sullivan

William P Sullivan is a lawyer practicing administrative agency practice, administrative law and regulatory practice, appellate practice and 11 other areas of law. William received a B.S. degree from University of Arizona in 1976, and has been licensed for 47 years.

Phoenix Phoenix 47 yrs experience 47 year
Call (480) 916-2658 Book Appointment

Profile Summary

About William P Sullivan at a glance

William P Sullivan is a Member based in Phoenix, Arizona, practicing at Law Offices Of William P Sulllivan Pllc. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on contracts, business, litigation, environmental, and government. Admitted to practice in Arizona (1979), U.S. District Court, District of Arizona (1979), District of Columbia (1982), and White Mountain Apache Tribal Court (1985). Educated at University of Arizona (J.D. Government, 1979) and University of Arizona (B.S. Government, 1976). Recognitions include Peer Reviewed. Active member of Maricopa County and American (Member, Sections on: Public Utility Law Natural Resources Law) Bar Associations State Bar of Arizona. Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William P Sullivan is a lawyer practicing administrative agency practice, administrative law and regulatory practice, appellate practice and 11 other areas of law
  • William received a B.S. degree from University of Arizona in 1976, and has been licensed for 47 years
  • William practices at Law Offices of William P. Sulllivan PLLC in Phoenix, AZ

Practice Areas Explained

William P Sullivan's Areas of Practice

Each practice area below reflects the types of cases William P Sullivan handles, with a brief overview of what that area of law covers.

Contracts

William P Sullivan is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Arizona →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William P Sullivan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

William P Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Arizona →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

William P Sullivan is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Arizona →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

William P Sullivan is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Arizona →

Jurisdictional Context

Why local counsel matters in Arizona

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 andnue, 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.

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about William P Sullivan

Where is William P Sullivan's law office located?
William P Sullivan's law practice is located in Phoenix, Arizona. The firm is Law Offices Of William P Sulllivan Pllc. You can contact the office directly through this profile page.
What practice areas does William P Sullivan handle?
William P Sullivan focuses on contracts, business, litigation, environmental, government. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has William P Sullivan practiced law?
William P Sullivan has 47+ years of legal experience and has been licensed since 1979.
Where did William P Sullivan go to law school?
William P Sullivan earned their education at (J.D. Government, 1979); (B.S. Government, 1976).
How can I contact William P Sullivan for a consultation?
You can contact William P Sullivan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has William P Sullivan received?
William P Sullivan's notable recognition includes: Peer Reviewed.

Education

J.D. Government
University of Arizona
- 1979
B.S. Government
University of Arizona
- 1976

Awards

Peer Reviewed

Bar Admissions

Arizona
Admitted: 1979
U.S. District Court, District of Arizona
Admitted: 1979
District of Columbia
Admitted: 1982
White Mountain Apache Tribal Court
Admitted: 1985
U.S. Court of Appeals, Ninth Circuit
Admitted: 1986

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