Atty. John Willis Greenleaf III

Atty. John Willis Greenleaf III

John Willis Greenleaf III is a lawyer practicing intellectual property, technology, state and local tax and 1 other area of law. John received a B.S. degree from James Madison University in 1998, and has been licensed for 25 years.

Mesquite Mesquite 25 yrs experience 25 year
Call (469) 920-8977 Book Appointment

Profile Summary

About John Willis Greenleaf III at a glance

John Willis Greenleaf III is a Member based in Mesquite, Texas. They have 25+ years of legal experience, licensed to practice since 2001. Their practice focuses on ip, tax, and health care. Admitted to practice in Pennsylvania (2001). Educated at University of Maryland (J.D., 2001) and James Madison University (B.S., 1998). Recognitions include Peer Reviewed. Serands clients in Mesquite, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Willis Greenleaf III is a lawyer practicing intellectual property, technology, state and local tax and 1 other area of law
  • John received a B.S. degree from James Madison University in 1998, and has been licensed for 25 years
  • John practices in Mesquite, TX

Practice Areas Explained

John Willis Greenleaf III's Areas of Practice

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

Intellectual Property

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

John Willis Greenleaf III is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

John Willis Greenleaf III is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Texas →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

John Willis Greenleaf III is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Mesquite or all attorneys in Texas.

Frequently Asked

Common questions about John Willis Greenleaf III

Where is John Willis Greenleaf III's law office located?
John Willis Greenleaf III's law practice is located in Mesquite, Texas. You can contact the office directly through this profile page.
What practice areas does John Willis Greenleaf III handle?
John Willis Greenleaf III focuses on ip, tax, health care. Each practice area listed reflects experience handling cases of that type in Texas.
How long has John Willis Greenleaf III practiced law?
John Willis Greenleaf III has 25+ years of legal experience and has been licensed since 2001.
Where did John Willis Greenleaf III go to law school?
John Willis Greenleaf III earned their education at (J.D., 2001); (B.S., 1998).
How can I contact John Willis Greenleaf III for a consultation?
You can contact John Willis Greenleaf III 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 Willis Greenleaf III received?
John Willis Greenleaf III's notable recognition includes: Peer Reviewed.

Education

J.D.
University of Maryland
- 2001
B.S.
James Madison University
- 1998

Awards

Peer Reviewed

Bar Admissions

Pennsylvania
Admitted: 2001

Reviews

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