Atty. Mark Joseph Henry

Atty. Mark Joseph Henry

Mr. Mark Joseph Henry is a lawyer practicing antitrust & trade law, ip educational programs, patent practice and 3 other areas of law.

Washington Washington 34 yrs experience 34 year
Call (771) 244-1966 Book Appointment

Profile Summary

About Mark Joseph Henry at a glance

Mark Joseph Henry is a Senior Counsel based in Washington, District of Columbia, practicing at Staas & Halsey LLP. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on trademark, copyright, ip, and litigation. Admitted to practice in Virginia (1992), New Jersey (1992), and District of Columbia U.S. Patent and Trademark Office (1994). Educated at Widener University School of Law, Harrisburg, Pennsylvania J.D. (—) and George Washington University M.S.E.E. Pennsylvania State University B.S. Bachelor of Science Pennsylvania State University B.S. Chemical Engineering (—). Active member of Professional Associations and Memberships •American Intellectual Property Law Association Member •American Institute of Chemical Engineers Member •Patent and Trademark Office Society Member. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mark Joseph Henry is a lawyer practicing antitrust & trade law, ip educational programs, patent practice and 3 other areas of law
  • Mark received a degree from George Washington University, and has been licensed for 34 years
  • Mark practices at Staas & Halsey LLP in Washington, DC

Practice Areas Explained

Mark Joseph Henry's Areas of Practice

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

Trademark Law

Mark Joseph Henry is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in District of Columbia →

Copyright Law

Mark Joseph Henry is one of 17,495 copyright attorneys indexed nationally. Browse copyright 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.

Mark Joseph Henry is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Joseph Henry is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Mark Joseph Henry

Where is Mark Joseph Henry's law office located?
Mark Joseph Henry's law practice is located in Washington, District of Columbia. The firm is Staas & Halsey LLP. You can contact the office directly through this profile page.
What practice areas does Mark Joseph Henry handle?
Mark Joseph Henry focuses on trademark, copyright, ip, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark Joseph Henry practiced law?
Mark Joseph Henry has 34+ years of legal experience and has been licensed since 1992.
Where did Mark Joseph Henry go to law school?
Mark Joseph Henry earned their education at (—); (—).
How can I contact Mark Joseph Henry for a consultation?
You can contact Mark Joseph Henry 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

Widener University School of Law, Harrisburg, Pennsylvania J.D.
- In Progress
George Washington University M.S.E.E. Pennsylvania State University B.S. Bachelor of Science Pennsylvania State University B.S. Chemical Engineering
- In Progress

Bar Admissions

Virginia
Admitted: 1992
New Jersey
Admitted: 1992
District of Columbia U.S. Patent and Trademark Office
Admitted: 1994

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.