Atty. Donald Nelson Halgren

Atty. Donald Nelson Halgren

Donald Nelson Halgren is a lawyer. Donald received a B.S.I.E. degree from Boston University in 1967, and has been licensed for 56 years.

Greensburg Greensburg 56 yrs experience 56 year
Call (412) 981-5043 Book Appointment

Profile Summary

About Donald Nelson Halgren at a glance

Donald Nelson Halgren is a Patent Attorney based in Greensburg, Pennsylvania, practicing at Nils H. Ljungman & Associates. They have 56+ years of legal experience, licensed to practice since 1970. Admitted to practice in Maryland (1970) and U.S. Court of Appeals for the Federal Circuit registered to practice before U.S. Patent and Trademar (1977). Educated at University of Baltimore (J.D., 1970) and Boston University (B.S.I.E. John, 1967). Active member of Massachusetts Bar Association Boston Patent Law Association American Intellectual Property Law Association. Serands clients in Greensburg, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Donald Nelson Halgren is a lawyer
  • Donald received a B.S.I.E. degree from Boston University in 1967, and has been licensed for 56 years
  • Donald practices at Nils H. Ljungman & Associates in Greensburg, PA

Jurisdictional Context

Why local counsel matters in Pennsylvania

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

Looking for additional Pennsylvania attorneys? Browse all attorneys in Greensburg or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Donald Nelson Halgren

Where is Donald Nelson Halgren's law office located?
Donald Nelson Halgren's law practice is located in Greensburg, Pennsylvania. The firm is Nils H. Ljungman & Associates. You can contact the office directly through this profile page.
How long has Donald Nelson Halgren practiced law?
Donald Nelson Halgren has 56+ years of legal experience and has been licensed since 1970.
Where did Donald Nelson Halgren go to law school?
Donald Nelson Halgren earned their education at (J.D., 1970); (B.S.I.E. John, 1967).
How can I contact Donald Nelson Halgren for a consultation?
You can contact Donald Nelson Halgren 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.
University of Baltimore
- 1970
B.S.I.E. John
Boston University
- 1967

Bar Admissions

Maryland
Admitted: 1970
U.S. Court of Appeals for the Federal Circuit registered to practice before U.S. Patent and Trademar
Admitted: 1977

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.