Z-About Us

Polasek, Quisenberry & Errington, LLP (“PQE”) is a full-service intellectual property (IP) law firm based in Houston, Texas. The firm provides a full-range of IP services including litigating IP lawsuits, licensing IP rights, preparing and prosecuting patent applications, registering trademarks and copyrights, protecting trade secrets, conducting due diligence in business transactions, and rendering opinions and counseling clients regarding a broad range of intellectual property issues.


“When you find yourself embroiled in a dispute involving Intellectual Property, you need lawyers that have experience in handling those types of disputes. You need lawyers that not only understand the legal issues, but you also need lawyers that understand your business objectives” 

Our firm offers litigation services for a broad spectrum of intellectual property rights, including infringement litigation involving patents, trademarks, copyrights, trade secrets and claims for unfair competition and violations of trade dress and related Lanham Act violations. PQE has represented numerous patent, trademark and copyright owners in litigation as well as companies accused of infringing the intellectual property rights of others. The attorneys at PQE have represented clients from all over the world and represents its clients in courts across the United States.

Prosecution and General IP Counseling

“Having litigated countless IP cases, PQE is particularly well-suited to use that knowledge in preparing patent applications, trademark applications, copyright registrations, providing opinions and general IP counseling”

PQE provides services for preparation and prosecution of foreign and domestic patent applications and trademark applications. With over 25+ years of experience, PQE is well-suited to provide general IP counseling and opinions.

Our Goal

Our goal is to achieve successful outcomes for our clients, build strong relationships with clients and provide viable economic solutions by working efficiently and focusing on the issues necessary to achieve a successful outcome. PQE’s success comes in part by offering a variety of financial options to fit every client’s needs. These options include traditional hourly fee arrangements and non-traditional fee arrangements – such as contingent-fee arrangements, mixed hourly/contingent-fee, flat-fee or other result-oriented arrangements.


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