Mark Trenner represent inventors, startups, manufacturers, universities, and established businesses throughout Colorado, Tennessee, and across the United States (patent and federal trademark matters only).
✔ Former Senior Patent Counsel at National Renewable Energy Laboratory
✔ Over 25 Years of Patent and Trademark Experience
✔ Licensed Before the USPTO, and separately in both Colorado and Tennessee
✔ Flexible Virtual and By-Appointment Meetings
Trenner Law Firm has built a reputation for excellence in intellectual property law since its founding in 2004.

Empowering Innovation Nationwide: Patent Representation Without Boundaries
In today’s interconnected world, innovation knows no boundaries, and neither should your access to expert patent representation. As a patent attorney, I am uniquely licensed under federal law to prepare, file, and handle patent applications for clients in all 50 states. This federal licensure allows me to work with inventors, entrepreneurs, and businesses across the nation, ensuring that your location is never a barrier to securing your intellectual property. The various Trenner Law Firm meeting locations facilitate easy access to our services.
What Does Federal Licensure Mean?
Federal licensure distinguishes patent attorneys from other legal professionals. While most attorneys are limited to practicing law within the states where they hold a bar admission, patent attorneys are authorized to operate nationwide. This is because patents are governed by federal law and administered by the United States Patent and Trademark Office (USPTO). Whether you’re based in the heart of Silicon Valley, the innovation corridors of Boston, or the small towns that are brimming with creativity, I can seamlessly assist you in navigating the patent process. Access to Trenner Law Firm meeting locations can ease this process substantially.
Rooted in Colorado and Tennessee
While my federal licensure allows me to serve clients nationwide, my practice has deep roots in Colorado and Tennessee. I am a graduate of the University of Denver College of Law, where I started Trenner Law Firm. I am proud to hold state bar admissions in both Colorado and Tennessee, and Trenner Law Firm, LLC is registered to do business in both states. These local connections underscore my commitment to the communities I serve and highlight the strategic Trenner Law Firm service areas that cater to client needs.
In Colorado, I have access to meeting spaces across the Front Range communities to provide easy access for clients. Whether you’re along the front range (Denver, Boulder, Fort Collins, Colorado Springs), the western slope, or another part of the state, my goal is to offer the convenience of online and in-person collaboration whenever needed. Similarly, my presence in Tennessee includes access to meeting spaces in both Nashville and Knoxville, providing a local touchpoint for clients in the Volunteer State. These Trenner Law Firm meeting locations are integral to our service offerings.
Global Reach, Strategic International Protection
Innovation rarely stops at national borders, and neither should your intellectual property strategy.
Throughout his career, patent attorney Mark Trenner has had the privilege of representing inventors, startups, manufacturers, research institutions, and established businesses with intellectual property interests spanning North America, Europe, Asia, Australia, and beyond. From early-stage patent strategy to global portfolio development, Mark has helped clients protect technologies across a wide range of industries, including engineering, energy, software, manufacturing, consumer products, and emerging technologies.
In addition to prosecuting patent applications before the United States Patent and Trademark Office, Mark regularly works with a trusted network of experienced patent attorneys, agents, and intellectual property professionals throughout the world. These long-standing international relationships allow Trenner Law Firm to help clients coordinate foreign patent filings, national phase entries, Patent Cooperation Treaty (PCT) strategies, and international trademark protection in a manner that aligns closely with their U.S. intellectual property objectives.
Whether a client is preparing for international manufacturing, global licensing opportunities, foreign market expansion, cross-border investment, or acquisition readiness, Trenner Law Firm helps develop intellectual property strategies designed to support long-term commercial growth.
At Trenner Law Firm, international intellectual property protection is not simply about filing applications—it is about building strategic, coordinated protection for innovations that have the potential to compete in global markets.
Need to Find a Patent Attorney Near You?
Innovative businesses are not limited by geography, and neither is effective intellectual property counsel. My practice is built around helping clients protect valuable innovations while making sophisticated intellectual property counsel accessible through modern, technology-driven communication and flexible meeting options.
Trenner Law Firm offers in-person meetings by appointment in select business locations throughout Colorado and Tennessee. In addition, clients across the United States and internationally are served through secure virtual consultations and online collaboration tools.
Serving Innovators Across Colorado
Before founding Trenner Law Firm, I served as Senior Patent Counsel at the National Renewable Energy Laboratory in Golden, Colorado, where I worked on patent licensing, strategic technology transfer, and commercialization transactions involving innovative businesses and emerging technologies.
I work with inventors and businesses throughout Colorado, including:
- Boulder
- Cherry Creek
- Colorado Springs
- Downtown Denver and Surrounding Communities
- Denver Tech Center
- Fort Collins
- Golden
- Grand Junction
- Pueblo
- Summit County: Breckenridge, Silverthorne and mountain communities
My Colorado clients range from established manufacturers, engineering firms, healthcare businesses, and consumer product companies.
Serving Innovators Across Tennessee
As a Tennessee-licensed attorney for over eight years, I also represent inventors and businesses throughout Tennessee, including:
My Tennessee practice includes work with startups, university-connected innovators, family-owned businesses, and established manufacturing organizations.
Patent, Trademark, and Technology Commercialization Services
I assist clients with:
- Provisional patent applications
- Utility patent applications
- Patentability and prior art analysis
- Patent prosecution before the USPTO
- Trademark clearance and registration
- Office Action responses
- Patent licensing and technology transfer
- Intellectual property portfolio strategy
Whether you are commercializing university research, launching a startup, scaling a manufacturing business, or protecting a new product or brand, I help clients build intellectual property strategies aligned with long-term business goals.
Meeting by Appointment or Virtually
I meet with clients by appointment in select meeting locations throughout Colorado and Tennessee, and I serve clients nationwide through:
- Secure online document sharing
- Video consultations
- Electronic signatures
- Responsive communication by phone, email, and text
This allows clients to access sophisticated intellectual property counsel without unnecessary travel or disruption to their business.
A Personalized Approach to Patent Protection
At Trenner Law Firm, LLC, we understand that the patent process can feel daunting. That’s why we prioritize clear communication and a tailored approach to every client’s needs. Whether you’re an independent inventor with a groundbreaking idea or a business looking to expand your intellectual property portfolio, our firm is dedicated to guiding you through each step of the process. From initial consultations to filing applications and addressing USPTO communications, we work diligently to protect your innovations.
Our meeting spaces in both Colorado and Tennessee offer the opportunity to connect face-to-face. However, we also embrace the flexibility of modern technology. Virtual meetings and remote collaboration allow us to bridge any geographic gap, ensuring that you receive the same high-quality service no matter where you are.
Why Choose Trenner Law Firm?
Choosing a patent attorney is a critical decision, and I strive to make that choice clear and confident for my clients. With a blend of nationwide reach and local accessibility found at various Trenner Law Firm meeting locations, I offer the best of both worlds. My extensive experience and in-depth knowledge of patent law enable me to navigate complex cases and deliver results that matter.
As a dual state bar member and a federally licensed patent attorney, I bring a comprehensive understanding of intellectual property law to every client relationship. This dual expertise ensures that I can handle your patent needs with precision, professionalism, and a personalized touch.
Let’s Protect Your Innovation
Innovation is the lifeblood of progress, and protecting your ideas is an investment in your future. Whether you’re in Colorado, Tennessee, or any of the other 48 states, Trenner Law Firm, LLC is here to support you. Don’t let geography stand in the way of securing your intellectual property. Contact me today to schedule a consultation and take the first step toward safeguarding your ideas.
If you are building something innovative, whether a new technology, product, process, or brand, I welcome the opportunity to help you protect it.
