Atty. Brett Aaron Mangrum

Atty. Brett Aaron Mangrum

Mr. Brett Aaron Mangrum is a lawyer practicing intellectual property, intellectual property practice, life sciences practice and 2 other areas of law.

Waco Waco 18 yrs experience 18 year
Call (254) 362-3226 Book Appointment

Profile Summary

About Brett Aaron Mangrum at a glance

Brett Aaron Mangrum is a Partner based in Waco, Texas, practicing at Cherry Johnson Siegmund James LLC. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on patent and ip. Admitted to practice in Texas U.S. District Court, Northern District of Texas Texas Eastern District Court U.S. Court of App (2008). Educated at Southern Methodist University School of Law (J.D., 2008) and Brigham Young University (B.S. Electronics, 2000). Serands clients in Waco, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Brett Aaron Mangrum is a lawyer practicing intellectual property, intellectual property practice, life sciences practice and 2 other areas of law
  • Brett received a B.S. degree from Brigham Young University in 2000, and has been licensed for 18 years
  • Brett practices at Cherry Johnson Siegmund James LLC in Waco, TX

Practice Areas Explained

Brett Aaron Mangrum's Areas of Practice

Each practice area below reflects the types of cases Brett Aaron Mangrum handles, with a brief overview of what that area of law covers.

Patent Law

Brett Aaron Mangrum is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Texas →

Intellectual Property

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

Brett Aaron Mangrum is one of 106,079 ip attorneys indexed nationally. Browse ip 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 Waco 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 Waco or all attorneys in Texas.

Frequently Asked

Common questions about Brett Aaron Mangrum

Where is Brett Aaron Mangrum's law office located?
Brett Aaron Mangrum's law practice is located in Waco, Texas. The firm is Cherry Johnson Siegmund James LLC. You can contact the office directly through this profile page.
What practice areas does Brett Aaron Mangrum handle?
Brett Aaron Mangrum focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Brett Aaron Mangrum practiced law?
Brett Aaron Mangrum has 18+ years of legal experience and has been licensed since 2008.
Where did Brett Aaron Mangrum go to law school?
Brett Aaron Mangrum earned their education at (J.D., 2008); (B.S. Electronics, 2000).
How can I contact Brett Aaron Mangrum for a consultation?
You can contact Brett Aaron Mangrum 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.
Southern Methodist University School of Law
- 2008
B.S. Electronics
Brigham Young University
- 2000

Bar Admissions

Texas U.S. District Court, Northern District of Texas Texas Eastern District Court U.S. Court of App
Admitted: 2008

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