Atty. John Mulcahy

Atty. John Mulcahy

John Mulcahy is a lawyer practicing patents, patent litigation, patent prosecution and 3 other areas of law. John received a B.S. degree from Pennsylvania State University in 1993, and has been licensed for 21 years.

Reston Reston 21 yrs experience 21 year
Call (571) 786-5949 Book Appointment

Profile Summary

About John Mulcahy at a glance

John Mulcahy is an Associate based in Reston, Virginia, practicing at Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on patent and ip. Admitted to practice in Virginia registered to practice before U.S. Patent and Trademark Office (2005). Educated at Georgetown University Law Center (J.D., 2005) and Pennsylvania State University (B.S. Electrical, 1993). Serands clients in Reston, VA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mulcahy is a lawyer practicing patents, patent litigation, patent prosecution and 3 other areas of law
  • John received a B.S. degree from Pennsylvania State University in 1993, and has been licensed for 21 years
  • John practices at Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P. in Reston, VA

Practice Areas Explained

John Mulcahy's Areas of Practice

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

Patent Law

John Mulcahy is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Virginia →

Intellectual Property

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

John Mulcahy is one of 106,079 ip attorneys indexed nationally. Browse ip 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 Reston 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 Reston or all attorneys in Virginia.

Frequently Asked

Common questions about John Mulcahy

Where is John Mulcahy's law office located?
John Mulcahy's law practice is located in Reston, Virginia. The firm is Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.. You can contact the office directly through this profile page.
What practice areas does John Mulcahy handle?
John Mulcahy focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in Virginia.
How long has John Mulcahy practiced law?
John Mulcahy has 21+ years of legal experience and has been licensed since 2005.
Where did John Mulcahy go to law school?
John Mulcahy earned their education at (J.D., 2005); (B.S. Electrical, 1993).
How can I contact John Mulcahy for a consultation?
You can contact John Mulcahy 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.
Georgetown University Law Center
- 2005
B.S. Electrical
Pennsylvania State University
- 1993

Bar Admissions

Virginia registered to practice before U.S. Patent and Trademark Office
Admitted: 2005

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