Atty. Diana Hamlet-Cox

Atty. Diana Hamlet-Cox

Diana Hamlet-Cox is a lawyer practicing patent application, patents. Diana received a Ph.D. degree from University of California at Los Angeles in 1985, and has been licensed for 34 years.

Arlington Arlington 34 yrs experience 34 year
Call (571) 670-6652 Book Appointment

Profile Summary

About Diana Hamlet-Cox at a glance

Diana Hamlet-Cox is an Associate based in Arlington, Virginia, practicing at Millen, White, Zelano & Branigan, P.C.. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on patent. Admitted to practice in Virginia (1992) and California registered to practice before U.S. Patent and Trademark Office (2000). Educated at George Mason University School of Law (J.D. Patent, 1992) and University of California at Los Angeles (Ph.D. Biological, 1985). Active member of Virginia State Bar American Intellectual Property Law Association. Serands clients in Arlington, VA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Diana Hamlet-Cox is a lawyer practicing patent application, patents
  • Diana received a Ph.D. degree from University of California at Los Angeles in 1985, and has been licensed for 34 years
  • Diana practices at Millen, White, Zelano & Branigan, P.C. in Arlington, VA

Practice Areas Explained

Diana Hamlet-Cox's Areas of Practice

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

Patent Law

Diana Hamlet-Cox is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Virginia →

Jurisdictional Context

Why local counsel matters in Virginia

Practicing law in Virginia. Legal matters in Virginia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Arlington are typically filed in the local municipal court or the appropriate Virginia state district court, depending on subject matter and amount in controversy. An attorney licensed in Virginia 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 Virginia courts without local counsel or pro hac vice admission.

Looking for additional Virginia attorneys? Browse all attorneys in Arlington or all attorneys in Virginia.

Frequently Asked

Common questions about Diana Hamlet-Cox

Where is Diana Hamlet-Cox's law office located?
Diana Hamlet-Cox's law practice is located in Arlington, Virginia. The firm is Millen, White, Zelano & Branigan, P.C.. You can contact the office directly through this profile page.
What practice areas does Diana Hamlet-Cox handle?
Diana Hamlet-Cox focuses on patent. Each practice area listed reflects experience handling cases of that type in Virginia.
How long has Diana Hamlet-Cox practiced law?
Diana Hamlet-Cox has 34+ years of legal experience and has been licensed since 1992.
Where did Diana Hamlet-Cox go to law school?
Diana Hamlet-Cox earned their education at (J.D. Patent, 1992); (Ph.D. Biological, 1985).
How can I contact Diana Hamlet-Cox for a consultation?
You can contact Diana Hamlet-Cox 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.

Practice Areas

Education

J.D. Patent
George Mason University School of Law
- 1992
Ph.D. Biological
University of California at Los Angeles
- 1985

Bar Admissions

Virginia
Admitted: 1992
California registered to practice before U.S. Patent and Trademark Office
Admitted: 2000

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