Atty. Timothy William Hagan

Atty. Timothy William Hagan

Timothy William Hagan is a lawyer practicing intellectual property, patent litigation, patent prosecution and 4 other areas of law. Timothy received a B.S. degree from Cornell University in 1972, and has been licensed for 50 years.

Dayton Dayton 50 yrs experience 50 year
Call (326) 213-3243 Book Appointment

Profile Summary

About Timothy William Hagan at a glance

Timothy William Hagan is a Partner based in Dayton, Ohio, practicing at Dinsmore & Shohl LLP. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on patent, trademark, copyright, ip, and international. Admitted to practice in Maryland (Inactive) U.S. Patent & Trademark Office (1976) and Ohio Federal Circuit Court of Appeals Southern District of Ohio (1978). Educated at Georgetown University Law Center (J.D., 1975) and Cornell University (B.S. Chemical, 1972). Recognitions include AV Preeminent. Serands clients in Dayton, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Timothy William Hagan is a lawyer practicing intellectual property, patent litigation, patent prosecution and 4 other areas of law
  • Timothy received a B.S. degree from Cornell University in 1972, and has been licensed for 50 years
  • Timothy practices at Dinsmore & Shohl LLP in Dayton, OH

Practice Areas Explained

Timothy William Hagan's Areas of Practice

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

Patent Law

Timothy William Hagan is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Ohio →

Trademark Law

Timothy William Hagan is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Ohio →

Copyright Law

Timothy William Hagan is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Ohio →

Intellectual Property

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

Timothy William Hagan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Ohio →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Timothy William Hagan is one of 40,133 international attorneys indexed nationally. Browse international attorneys in Ohio →

Jurisdictional Context

Why local counsel matters in Ohio

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

Looking for additional Ohio attorneys? Browse all attorneys in Dayton or all attorneys in Ohio.

Frequently Asked

Common questions about Timothy William Hagan

Where is Timothy William Hagan's law office located?
Timothy William Hagan's law practice is located in Dayton, Ohio. The firm is Dinsmore & Shohl LLP. You can contact the office directly through this profile page.
What practice areas does Timothy William Hagan handle?
Timothy William Hagan focuses on patent, trademark, copyright, ip, international. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has Timothy William Hagan practiced law?
Timothy William Hagan has 50+ years of legal experience and has been licensed since 1976.
Where did Timothy William Hagan go to law school?
Timothy William Hagan earned their education at (J.D., 1975); (B.S. Chemical, 1972).
How can I contact Timothy William Hagan for a consultation?
You can contact Timothy William Hagan 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 Timothy William Hagan received?
Timothy William Hagan's notable recognition includes: AV Preeminent.

Education

J.D.
Georgetown University Law Center
- 1975
B.S. Chemical
Cornell University
- 1972

Awards

AV Preeminent

Bar Admissions

Maryland (Inactive) U.S. Patent & Trademark Office
Admitted: 1976
Ohio Federal Circuit Court of Appeals Southern District of Ohio
Admitted: 1978

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