Registered patent attorney
Eric R Drennan
Firm
Holzer IP Law, PC
Address
216 16th Street
Suite 1350
Denver, CO, 80202
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Denver, Colorado
- Bret W. AdamsStrategic Patents
- Kevin J. AikenGates Corporation
- Christopher David AinscoughDorsey & Whitney, LLP
- January D AllenFennemore Craig, P.C.
- Scott M AlterMichael Best and Friedrich, LLP
- Jared J. AndersonDavis Graham & Stubbs LLP
- Andrea A. AndersonWomble Bond Dickinson
- Thomas D AndersonHolland & Hart LLP
Frequently asked
Frequently asked about Eric R Drennan
Is Eric R Drennan a registered patent attorney?
Yes. Eric R Drennan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 59099). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Eric R Drennan located?
Eric R Drennan's office is in Denver, Colorado (80202). Affiliated with Holzer IP Law, PC.
What firm does Eric R Drennan work at?
Eric R Drennan is listed as affiliated with Holzer IP Law, PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Eric R Drennan?
Eric R Drennan's office phone (per the USPTO public roster) is 720-204-5666. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.