As a member of Armstrong Teasdale’s Intellectual Property practice, Zach counsels clients on patent acquisitions, licensing, enforcement, product clearance, freedom-to-operate, validity and due diligence. He works closely with inventors and businesses to develop IP strategies and build portfolios. Zach also assists clients on issues of patent infringement, provides opinions of noninfringement and invalidity, and performs due diligence and patent landscape analyses.

As a patent attorney registered to practice before the U.S. Patent and Trademark Office, Zach actively engages in preparation and prosecution of U.S. and international patents. For each patent, Zach proficiently advocates for his clients to carve new boundaries in both new and existing technological fields. He guides inventors, engineers and in-house counsel through all stages of the patent application process.

Zach has vast patent experience in electrical and software technologies including electric motors and controls, electronics, power systems, modeling, simulation, algorithms, semiconductors, graphics processing, avionics and antennas. Zach also has patent experience in adjacent technologies and industries, including animal feed and care products, agricultural equipment, electronic pari-mutuel wagering, electronic casino gaming, oil and gas extraction and exploration, insurance, trace detection, and CT imaging. Within the health care industry, Zach has patent experience including cardiac catheters, heart pumps, implantable medical devices, pharmaceutical software, magnetic resonance, computed tomography and other imaging technologies.

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  • Southern Methodist University School of Law  (J.D., cum laude, 2012)
  • Missouri University of Science and Technology  (B.S., cum laude, 2005)
    • Electrical Engineering


  • Texas
  • Missouri
  • U.S. Patent and Trademark Office


  • The Best Lawyers in America® Ones to Watch, Intellectual Property Law (2022)


In his previous career as an engineer at The Boeing Co., Zach wrote sensor algorithms for the U.S. Navy and, before that, designed and integrated flight simulation systems for U.S. Air Force and U.S. Navy aircraft, as well as various other combat systems.

Prior to joining the firm, Zach was in private practice at a boutique intellectual property firm in Dallas.

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