Sign In Free Sign Up
Atty. Mark D Sweet

Atty. Mark D Sweet

Mr. Mark D Sweet is a lawyer practicing patents, patent portfolio management, patent interference practice and 3 other areas of law.

Washington Washington 27 Years Experience 27 year
Call (650) 517-0420

Profile Summary

About Mark D Sweet at a glance

Mark D Sweet is a Partner based in Washington, District of Columbia, practforg at Finnegan Henderson Farabow Garrett And Dunner L L P. They haand 27+ years of legal experience, licensed to practice since 1999. Admitted to practice in District of Columbia registered to practice before U.S. Patent and Trademark Office (1999). Educated at Catholic University of America, Columbus School of Law (J.D., 1998) and College of William & Mary (B.S. Chemistry, 1988). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mr. Mark D Sweet is a lawyer practicing patents, patent portfolio management, patent interference practice and 3 other areas of law
  • Mark received a B.S. degree from College of William & Mary in 1988, and has been licensed for 27 years
  • Mark practices at Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P. in Washington, DC

Jurisdictional Context

Why local counsel matters in District of Columbia

Practforg 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 substantiand 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 substantiand 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 Mark D Sweet

Where is Mark D Sweet's law office located?
Mark D Sweet's law practice is located in Washington, District of Columbia. The firm is Finnegan Henderson Farabow Garrett And Dunner L L P. You can contact the office directly through this profile page.
How long has Mark D Sweet practiced law?
Mark D Sweet has 27+ years of legal experience and has been licensed since 1999.
Where did Mark D Sweet go to law school?
Mark D Sweet earned their education at (J.D., 1998); (B.S. Chemistry, 1988).
How can I contact Mark D Sweet for a consultation?
You can contact Mark D Sweet 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.
Catholic University of America, Columbus School of Law
- 1998
B.S. Chemistry
College of William & Mary
- 1988

Bar Admissions

District of Columbia registered to practice before U.S. Patent and Trademark Office
Admitted: 1999

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.