Eric R. Drennan

Eric R. Drennan

Attorney Profile

Top Rated Intellectual Property Attorney in Denver, CO

Holzer Patel Drennan
 | 216 16th Street, Suite 1350
Denver, CO 80202
Phone: 720-204-5733
Selected to Rising Stars: 2017 - 2018
Licensed Since: 2008
Practice Areas:
  • Intellectual Property
Attorney Profile

Eric combines his technical background in mechanical and manufacturing engineering technology with years of intellectual property (IP) legal experience to effectively and efficiently develop his clients’ IP assets. Eric’s practice focuses on patent preparation and prosecution, patent analysis, IP due diligence, and IP portfolio management. Eric works in a variety of technical areas including, for example, mechanical devices, manufacturing technology, propulsion systems, materials science, data storage systems, semiconductor devices, telecommunications, electronics, consumer goods, and Internet-based technology.

About Eric Drennan

Admitted: 2008, Colorado

Professional Webpage:

Special Licenses/Certifications:

  • Registered Patent Attorney
Office Location for Eric R. Drennan

216 16th Street
Suite 1350
Denver, CO 80202


Eric R. Drennan:

Last Updated: 10/11/2017

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