Atty. Donald L. Dennison

Atty. Donald L. Dennison

Donald L. Dennison is a lawyer practicing trademarks, patents - mechanical and aeronautical, designs and 8 other areas of law.

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Profile Summary

About Donald L. Dennison at a glance

Donald L. Dennison is a Counsel based in Washington, District of Columbia. Their practice focuses on patent, trademark, copyright, trade secrets, and litigation. Educated at George Washington University (J.D., 1961) and Carnegie Institute of Technology (B.S.M.E., 1955). Recognitions include AV Preeminent. Active member of AIPPI) International Trademark Association (INTA) European Communities Trademark Association (ECTA, ASSOCIATIONS & ORGANIZATIONS International Association for the Protection of Industrial Property. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Donald L. Dennison is a lawyer practicing trademarks, patents - mechanical and aeronautical, designs and 8 other areas of law
  • Donald L. received a B.S.M.E. degree from Carnegie Institute of Technology in 1955, and
  • Donald L. practices in Washington, DC

Practice Areas Explained

Donald L. Dennison's Areas of Practice

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

Patent Law

Donald L. Dennison is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Trademark Law

Donald L. Dennison is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in District of Columbia →

Copyright Law

Donald L. Dennison is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in District of Columbia →

Trade Secrets

Donald L. Dennison is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in District of Columbia →

Civil Litigation

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

Donald L. Dennison 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 Donald L. Dennison

Where is Donald L. Dennison's law office located?
Donald L. Dennison's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Donald L. Dennison handle?
Donald L. Dennison focuses on patent, trademark, copyright, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
Where did Donald L. Dennison go to law school?
Donald L. Dennison earned their education at (J.D., 1961); (B.S.M.E., 1955).
How can I contact Donald L. Dennison for a consultation?
You can contact Donald L. Dennison 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.
What awards or recognition has Donald L. Dennison received?
Donald L. Dennison's notable recognition includes: AV Preeminent.

Education

J.D.
George Washington University
- 1961
B.S.M.E.
Carnegie Institute of Technology
- 1955

Awards

AV Preeminent

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