Louis Liao

Louis Liao

Ahmad, Zavitsanos & Mensing

Recognized since 2022

Houston, Texas

Practice Areas

Intellectual Property Law

Litigation - Intellectual Property

Send Louis Liao an email at lliao@azalaw.com Navigate to map location for Louis Liao
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Louis Liao focuses on patent litigation and commercial litigation. He has represented clients in state and federal courts at all phases of litigation, including dispositive motion practice, trial, and appeals. As a technology enthusiast and former engineer, he understands a variety of technical fields ranging from computer software to oilfield equipment.

Mr. Liao is a graduate of Stanford Law School. While in law school, he contributed to academic research on the patent system and was active on the Stanford Law and Policy Review. He also received an engineering degree from Stanford University and has advised technology companies on product strategy. During his summers, he worked as a legal intern at the Sundance Institute in Los Angeles and an impact litigation organization in Texas.

Before law school, he was a pump engineer in the oil and gas industry. His other technical experience includes years of programming experience as a full stack web developer. He graduated with highest honors from The University of Texas, where he received degrees in mechanical engineering and philosophy.


Represented emergency room physicians in obtaining a $19.1 million Houston jury verdict against a large insurance company. The case was the first in the nation to litigate the amount that private insurance companies should pay for out-of-network emergency services under the Affordable Care Act.

Represented various plaintiffs in patent infringement lawsuits against major smartphone and semiconductor manufacturers. In several of these lawsuits, Mr. Liao actively participated from filing until settlement. Those cases alone have collectively recovered over $45 million for AZA’s clients.

Represented plaintiff in asserting multimillion-dollar patent infringement claims against major cellular network providers. Mr. Liao took lead roles in Markman briefing and drafting the opposition to the defendants’ invalidity challenge under 35 U.S.C. § 101. The case settled favorably after the Markman hearing.

Represented various energy sector plaintiffs and defendants in patent litigation matters, including cases against competitor companies.

Successfully defended former executive of offshore service company against noncompete and trade secret claims.

Successfully defended property owner against premises liability claims in a personal injury lawsuit.


Stanford Law School, J.D., 2018

Stanford University, M.S., Management Science and Engineering, 2018

The University of Texas, B.S., Mechanical Engineering, and B.A., Philosophy, 2014


State Bar of Texas

U.S. District Court for the Southern District of Texas

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Western District of Texas

  • 1221 McKinney Street, Suite 2500
    Houston, TX 77010
  • Stanford University, M.S.
  • Stanford University, J.D.
  • The University of Texas, B.S., B.A.
Bar Admissions
  • Texas, State Bar
Court Admissions
  • U.S. District Courts Texas - Southern, Eastern and Western districts

Recognized in Best Lawyers: Ones to Watch® in America 2024 for work in:
  • Intellectual Property Law
  • Litigation - Intellectual Property


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