Atty. John Jason Sims

Atty. John Jason Sims

Mr. John Jason Sims is a lawyer practicing criminal, intellectual property, business and 9 other areas of law.

Austin Austin 28 yrs experience 28 year
Call (737) 359-3420 Book Appointment

Profile Summary

About John Jason Sims at a glance

John Jason Sims is a Member based in Austin, Texas, practicing at Law Office of J. Jason Sims. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on trusts, probate, criminal defense, estate planning, and business. Admitted to practice in Texas (1998). Educated at South Texas College Of Law (J.D., 1997) and Texas State University-San Marcos B.A. (—). Serands clients in Austin, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Jason Sims is a lawyer practicing criminal, intellectual property, business and 9 other areas of law
  • John received a B.A. degree from Texas State University-San Marcos, and has been licensed for 28 years
  • John practices at Law Office of J. Jason Sims in Austin, TX

Practice Areas Explained

John Jason Sims's Areas of Practice

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

Trusts

John Jason Sims is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in Texas →

Probate

John Jason Sims is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Texas →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Jason Sims is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Texas →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

John Jason Sims is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Texas →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Jason Sims is one of 501,317 business attorneys indexed nationally. Browse business 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 Austin 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 Austin or all attorneys in Texas.

Frequently Asked

Common questions about John Jason Sims

Where is John Jason Sims's law office located?
John Jason Sims's law practice is located in Austin, Texas. The firm is Law Office of J. Jason Sims. You can contact the office directly through this profile page.
What practice areas does John Jason Sims handle?
John Jason Sims focuses on trusts, probate, criminal defense, estate planning, business. Each practice area listed reflects experience handling cases of that type in Texas.
How long has John Jason Sims practiced law?
John Jason Sims has 28+ years of legal experience and has been licensed since 1998.
Where did John Jason Sims go to law school?
John Jason Sims earned their education at (J.D., 1997); (—).
How can I contact John Jason Sims for a consultation?
You can contact John Jason Sims 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.
South Texas College Of Law
- 1997
Texas State University-San Marcos B.A.
- In Progress

Bar Admissions

Texas
Admitted: 1998

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.