Atty. Douglas William Massinger

Atty. Douglas William Massinger

Douglas William Massinger is a lawyer practicing patents, trademarks, copyrights and 3 other areas of law. Douglas received a B.S. degree from West Chester University in 1987, and has been licensed for 35 years.

Malvern Malvern 35 yrs experience 35 year
Call (484) 573-2871 Book Appointment

Profile Summary

About Douglas William Massinger at a glance

Douglas William Massinger is a Member based in Malvern, Pennsylvania, practicing at Douglas W. Massinger Attorney. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on patent, trademark, copyright, business, and ip. Admitted to practice in Pennsylvania (Inactive) (1991), U.S. District Court, Eastern District of Pennsylvania and U.S. Court of Appeals, Third Circuit regis (1992), and Florida (2004). Educated at Widener University School of Law (J.D., 1990) and West Chester University (B.S. Chemistry, 1987). Active member of Delaware County and American Bar Association American Intellectual Property Law Association Philadelphia Patent Law Association. Serands clients in Malvern, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Douglas William Massinger is a lawyer practicing patents, trademarks, copyrights and 3 other areas of law
  • Douglas received a B.S. degree from West Chester University in 1987, and has been licensed for 35 years
  • Douglas practices at Douglas W. Massinger Attorney in Malvern, PA

Practice Areas Explained

Douglas William Massinger's Areas of Practice

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

Patent Law

Douglas William Massinger is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Pennsylvania →

Trademark Law

Douglas William Massinger is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Pennsylvania →

Copyright Law

Douglas William Massinger is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Pennsylvania →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Douglas William Massinger is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Pennsylvania →

Intellectual Property

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

Douglas William Massinger is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Pennsylvania →

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 Malvern 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 Malvern or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Douglas William Massinger

Where is Douglas William Massinger's law office located?
Douglas William Massinger's law practice is located in Malvern, Pennsylvania. The firm is Douglas W. Massinger Attorney. You can contact the office directly through this profile page.
What practice areas does Douglas William Massinger handle?
Douglas William Massinger focuses on patent, trademark, copyright, business, ip. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has Douglas William Massinger practiced law?
Douglas William Massinger has 35+ years of legal experience and has been licensed since 1991.
Where did Douglas William Massinger go to law school?
Douglas William Massinger earned their education at (J.D., 1990); (B.S. Chemistry, 1987).
How can I contact Douglas William Massinger for a consultation?
You can contact Douglas William Massinger 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.
Widener University School of Law
- 1990
B.S. Chemistry
West Chester University
- 1987

Bar Admissions

Pennsylvania (Inactive)
Admitted: 1991
U.S. District Court, Eastern District of Pennsylvania and U.S. Court of Appeals, Third Circuit regis
Admitted: 1992
Florida
Admitted: 2004

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