Arielle K. Allen is an Austin personal injury attorney and the founder of Allen Trial Law PLLC, a trial firm licensed in Texas, Colorado, and Arizona. She focuses her practice on catastrophic personal injury cases, with a specialty in traumatic brain injury (TBI) litigation, an area she approaches with both legal precision and scientific rigor as a PhD candidate in Experimental Psychology at East Texas A&M University.
Arielle is a four-time published author and award-winning attorney recognized by the National Trial Lawyers Top 40 Under 40, Elite Lawyer, and Lawyers of Distinction. She is a CATLA Warrior Award 2025 recipient and a passionate advocate for access to justice, having handled more than 100 pro bono cases throughout her career.
Her scientific background in eyewitness memory and cognitive psychology gives her clients a distinct advantage in cases involving disputed liability, witness credibility, and brain injury damages. She brings the same evidence-based discipline to every case she tries.
Allen Trial Law PLLC serves injured clients in Austin, TX; Denver, CO; and Phoenix, AZ.
1
Practice Area
1%-45%
30 %
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withState: Arizona
Acquired: 2025
No misconduct found
State: Colorado
Acquired: 2024
No misconduct found
State: Texas
Acquired: 2024
No misconduct found
5 Client Reviews
Showing 1 - 1 of 1 review | Car Accidents
Posted by Michelle | September 27, 2026 | Hired Attorney
Five Stars Aren’t Enough for Arielle Allen
I truly cannot say enough wonderful things about Arielle Allen. Arielle represented me in my car accident lawsuit before leaving the firm to open her own law practice. While I am incredibly happy and excited for her as she begins this new chapter, I have to admit—I miss her every single day and wish ...
"Arielle is an outstanding personal injury attorney— detail-oriented, strategic, and compassionate. Her dedication to her practice is clear— she goes the extra mile and takes every opportunity to secure wins for her clients. Arielle is deeply invested in the community, serving in leadership positions for all sorts of wonderful philanthropic organizations and even forming her own firm to better serve clients through pro bono and reduced-fee work. She’s truly committed and exceptionally skilled at what she does, and I’m very proud to call her my colleague and friend."
Criminal defense lawyer
2026
Lawyer of Distinction 2026, Lawyers of Distinction
2026
Lifetime Achievement Award, America's Top 100 Attorneys
2026
Top 40 Under 40, National Trial Lawyers
2025
Pro Bono Award, State Bar of Texas
2025
Warrior Award, Capital Area Trial Lawyers Association
2025
Best General Interest Story Award, State Bar of Texas
N/A
Elite Lawyer 2026, Elite Lawyer
2026 - Present
Founder/Trial Lawyer, Allen Trial Law PLLC
2025 - 2026
Trial Lawyer, RJL
2025 - 2025
Trial Lawyer, Lorenz & Lorenz
2024 - 2025
Trial Lawyer, LOAR PLLC
2024 - Present
Texas Bar College
2023 - Present
Texas Trial Lawyers Association
2023 - Present
Capital Area Trial Lawyers Association
2022 - Present
Austin Bar Association
2022 - Present
Travis County Womens Lawyers' Association
2024
JD - Juris Doctor
N/A
PhD - Doctorate
2026
2025
2023
2025
2024
Spanish
Legal Answers
Legal Guides