Atty. Constantine Gregory Gramenopoulos

Atty. Constantine Gregory Gramenopoulos

Constantine Gregory Gramenopoulos is a lawyer practicing patent infringement, intellectual property, licensing. Constantine has been licensed for 31 years.

Washington Washington 31 J. Erfahrung 31 year
Call (650) 517-0420 Book Appointment

Profile Summary

About Constantine Gregory Gramenopoulos at a glance

Constantine Gregory Gramenopoulos is a patent and ip attorney based in Washington, District of Columbia. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in Virginia (1995). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Constantine Gregory Gramenopoulos is a lawyer practicing patent infringement, intellectual property, licensing
  • Constantine has been licensed for 31 years
  • Constantine practices in Washington, DC

Practice Areas Explained

Constantine Gregory Gramenopoulos's Areas of Practice

Each practice area below reflects the types of cases Constantine Gregory Gramenopoulos handles, with a brief overview of what that area of law covers.

Patent Law

Constantine Gregory Gramenopoulos is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Intellectual Property

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

Constantine Gregory Gramenopoulos is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Constantine Gregory Gramenopoulos

Where is Constantine Gregory Gramenopoulos's law office located?
Constantine Gregory Gramenopoulos's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Constantine Gregory Gramenopoulos handle?
Constantine Gregory Gramenopoulos focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Constantine Gregory Gramenopoulos practiced law?
Constantine Gregory Gramenopoulos has 31+ years of legal experience and has been licensed since 1995.
How can I contact Constantine Gregory Gramenopoulos for a consultation?
You can contact Constantine Gregory Gramenopoulos 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.

Bar Admissions

Virginia
Admitted: 1995

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