Atty. John David Hamann

Atty. John David Hamann

John David Hamann is a lawyer practicing ip litigation, patents, computers and 5 other areas of law. John received a degree from George Washington University in 1996, and has been licensed for 27 years.

Worcester Worcester 27 yrs experience 27 year
Call (857) 416-1942 Book Appointment

Profile Summary

About John David Hamann at a glance

John David Hamann is a Principal based in Worcester, Massachusetts. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on patent, ip, and litigation. Admitted to practice in Georgia (1999), California U.S. District Court, Northern District of Georgia U.S. District Court, Northern District (2009), and Massachusetts (2014). Educated at George Washington University (M.S., 1996) and Washington and Lee University School of Law J.D. magna cum laude Washington and Lee University School of Law J.D. 1999 Order of the Coif - Lead Articles Editor for the Washington and Lee Law (—). Active member of Boston Patent Law Association. Serands clients in Worcester, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John David Hamann is a lawyer practicing ip litigation, patents, computers and 5 other areas of law
  • John received a degree from George Washington University in 1996, and has been licensed for 27 years
  • John practices in Worcester, MA

Practice Areas Explained

John David Hamann's Areas of Practice

Each practice area below reflects the types of cases John David Hamann handles, with a brief overview of what that area of law covers.

Patent Law

John David Hamann is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Intellectual Property

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

John David Hamann is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Civil Litigation

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

John David Hamann is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Worcester or all attorneys in Massachusetts.

Frequently Asked

Common questions about John David Hamann

Where is John David Hamann's law office located?
John David Hamann's law practice is located in Worcester, Massachusetts. You can contact the office directly through this profile page.
What practice areas does John David Hamann handle?
John David Hamann focuses on patent, ip, litigation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John David Hamann practiced law?
John David Hamann has 27+ years of legal experience and has been licensed since 1999.
Where did John David Hamann go to law school?
John David Hamann earned their education at (M.S., 1996); (—).
How can I contact John David Hamann for a consultation?
You can contact John David Hamann 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

M.S.
George Washington University
- 1996
Washington and Lee University School of Law J.D. magna cum laude Washington and Lee University School of Law J.D. 1999 Order of the Coif - Lead Articles Editor for the Washington and Lee Law
- In Progress

Bar Admissions

Georgia
Admitted: 1999
California U.S. District Court, Northern District of Georgia U.S. District Court, Northern District
Admitted: 2009
Massachusetts
Admitted: 2014

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