Atty. John Robert Diana

Atty. John Robert Diana

Mr. John Robert Diana is a lawyer practicing intellectual property, business transactions.

Phoenix Phoenix 25 yrs experience 25 year
Call (623) 292-4410 Book Appointment

Profile Summary

About John Robert Diana at a glance

John Robert Diana is a Sage Software based in Phoenix, Arizona. They have 25+ years of legal experience, licensed to practice since 2001. Their practice focuses on business and ip. Admitted to practice in California (2001) and Arizona (2009). Educated at University of California School of Law at Davis (J.D., 2001) and University of Rochester (B.S. Optics, 1988). Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Robert Diana is a lawyer practicing intellectual property, business transactions
  • John Robert received a B.S. degree from University of Rochester in 1988, and has been licensed for 25 years
  • John Robert practices in Phoenix, AZ

Practice Areas Explained

John Robert Diana's Areas of Practice

Each practice area below reflects the types of cases John Robert Diana handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

John Robert Diana is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Robert Diana is one of 106,079 ip attorneys indexed nationally. Browse ip 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 John Robert Diana

Where is John Robert Diana's law office located?
John Robert Diana's law practice is located in Phoenix, Arizona. You can contact the office directly through this profile page.
What practice areas does John Robert Diana handle?
John Robert Diana focuses on business, ip. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has John Robert Diana practiced law?
John Robert Diana has 25+ years of legal experience and has been licensed since 2001.
Where did John Robert Diana go to law school?
John Robert Diana earned their education at (J.D., 2001); (B.S. Optics, 1988).
How can I contact John Robert Diana for a consultation?
You can contact John Robert Diana 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.

Education

J.D.
University of California School of Law at Davis
- 2001
B.S. Optics
University of Rochester
- 1988

Bar Admissions

California
Admitted: 2001
Arizona
Admitted: 2009

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