Main720.204.5666 Fax720.204.5669
216 16th Street,
Suite 1350
Denver, CO 80202
8681 Eagle Pt. Blvd.
Lk Elmo, MN 55042



Holzer Patel Drennan believes in bringing out your best. We are devoted to bringing out the best in our clients’ technologies, brands, expressions, and trade secrets. We bring creative legal and technical perspectives to help our clients protect their intellectual property and add value to their businesses.

Our capabilities include a broad range of intellectual property legal services. We help our clients procure intellectual property protection domestically and internationally. We specialize in building and managing patent portfolios in many technologies, including software, electronics, mechanical systems, materials, propulsion systems, semiconductor manufacturing systems, environmental engineering, and footwear. We also assist clients in securing trademark, copyright, and trade secret protections. HPD also represents clients in licensing and technology transfer activities, whether in-bound or out-bound. When our clients enforce intellectual property rights against infringers or defend against the intellectual property assertions of others, we assist in the dispute resolution or litigation as subject matter and intellectual property legal experts supporting our clients’ litigation attorneys.


Holzer Patel Drennan is participating in the Open to All coalition. This is a stand against discrimination where we maintain a welcoming and safe environment for all people. For more information, please read Diversity & Inclusion.