Atty. John Warwick Caldwell

Atty. John Warwick Caldwell

John Warwick Caldwell is a lawyer practicing patents, trademarks, copyrights and 11 other areas of law. John received a M.A. degree from Johns Hopkins University in 1973, and has been licensed for 48 years.

Philadelphia Philadelphia 48 Years Experience 48 year
Call (484) 573-2871

Profile Summary

About John Warwick Caldwell at a glance

John Warwick Caldwell is a Partner based in Philadelphia, Pennsylvania, practicing at Baker & Hostetler LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on patent, trademark, copyright, litigation, and internet. Admitted to practice in Pennsylvania U.S. Court of Appeals, Federal Circuit U.S. Court of Appeals, Third Circuit U.S. Distri (1978). Educated at Villanova University School of Law (J.D., 1978) and Johns Hopkins University (M.A. Chemistry, 1973). Recognitions include AV Preeminent. Serves clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Warwick Caldwell is a lawyer practicing patents, trademarks, copyrights and 11 other areas of law
  • John received a M.A. degree from Johns Hopkins University in 1973, and has been licensed for 48 years
  • John practices at Baker & Hostetler LLP in Philadelphia, PA

Practice Areas Explained

John Warwick Caldwell's Areas of Practice

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

Patent Law

John Warwick Caldwell is one of 18,874 patent attorneys indexed nationally. Browse patent attorneys in Pennsylvania →

Trademark Law

John Warwick Caldwell is one of 20,983 trademark attorneys indexed nationally. Browse trademark attorneys in Pennsylvania →

Copyright Law

John Warwick Caldwell is one of 15,929 copyright attorneys indexed nationally. Browse copyright attorneys in Pennsylvania →

Civil Litigation

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

John Warwick Caldwell is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

John Warwick Caldwell is one of 15,865 internet attorneys indexed nationally. Browse internet 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 Philadelphia 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 venue, 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 Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about John Warwick Caldwell

Where is John Warwick Caldwell's law office located?
John Warwick Caldwell's law practice is located in Philadelphia, Pennsylvania. The firm is Baker & Hostetler LLP. You can contact the office directly through this profile page.
What practice areas does John Warwick Caldwell handle?
John Warwick Caldwell focuses on patent, trademark, copyright, litigation, internet. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has John Warwick Caldwell practiced law?
John Warwick Caldwell has 48+ years of legal experience and has been licensed since 1978.
Where did John Warwick Caldwell go to law school?
John Warwick Caldwell earned their education at (J.D., 1978); (M.A. Chemistry, 1973).
How can I contact John Warwick Caldwell for a consultation?
You can contact John Warwick Caldwell 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 John Warwick Caldwell received?
John Warwick Caldwell's notable recognition includes: AV Preeminent.

Education

J.D.
Villanova University School of Law
- 1978
M.A. Chemistry
Johns Hopkins University
- 1973

Awards

AV Preeminent

Bar Admissions

Pennsylvania U.S. Court of Appeals, Federal Circuit U.S. Court of Appeals, Third Circuit U.S. Distri
Admitted: 1978

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