Our intellectual property transactional team includes professionals with advanced technical degrees and real-world experience.  We specialize in the prosecution and registration of patents, trademarks, and copyrights from our clients’ perspective in a cost efficient manner.  Our Technical Advisors are integral in patent application preparation, which ensures efficient interaction with our clients inventors and accurate presentation and advocacy of their technology before the United States Patent and Trademark Office.  Our approach lets us work in advanced technical fields with very competitive rates. 

We obtain patents and advise clients in all fields of art allowed under United States Patent Laws.  Our team has great technical breadth with particular expertise in the mechanical and chemical arts, including solid-state devices, nanotechnology, and biotech.  Examples of our work include patents obtained for medical devices and implants, optics, control systems, down-hole tools and devices, oil and gas exploration and production equipment and systems, specialty chemical equipment and processes, catalysts, energy and alternative energy systems and methods, to name a few.

Likewise, our trademark and copyright team has extensive experience in prosecuting, defending, and enforcing our client’s rights across many industries, including oil and gas, renewable energy, building design, building and construction, real estate, non-profit, business and finance, software and technology, retail and wholesale, medical, restaurant and entertainment, employment, maritime, automobile, clothing, shipping, and advertising.

International Network

Porter Hedges’ has a robust, international patent and trademark practice and has built an extensive network of foreign intellectual property associates around the globe.  Our team ensures that our clients are well-equipped to build, maintain, and protect their patent and trademark portfolios domestically and abroad.

  • Our patent team has prosecuted patents in more than 70 countries across the world. 
  • Our trademark team has prosecuted applications in nearly 100 countries, spanning 6 continents. Our client’s portfolios consist of many types of applications including trademark, service mark, certification mark, trade dress, as well as multi-country applications such as International Registrations (Madrid Protocol) and Community Trademarks. We also assist clients in obtaining and enforcing domain name and copyright registrations both in the United States and abroad.


  • Represent clients in patent preparation and prosecution matters in the chemical and mechanical arts, including:  technology related to energy and alternative energy, such as GTL, CTL, and catalytic technology; petrochemical processes, including both upstream and refinery processes; high-temperature reaction engineering, including combustion, gasification, and slag-melt processes; multiphase flow and gas-solid reactions; biomass to fuel conversion; biochemical processes and medical devices; specialty chemical processes across a wide range of industries, including polymer production and processing; and downhole tools and processes.
  • Represent global oilfield service company in managing its worldwide trademark portfolio.