Registered patent attorney
John R Posthumus
Firm
Polsinelli PC
Address
1401 Lawrence St.
Suite 2300
Denver, CO, 80202-2498
US
Phone
Registered as
Registered patent attorney
Other attorneys at Polsinelli PC
- Burton A AmernickUSPTO Reg. 24852 · Washington, DC
- Zachary J. BlockUSPTO Reg. 71896 · St. Louis, MO
- Joanna Y. ChenUSPTO Reg. 72754 · Washington, DC
- Matthew R FrontzUSPTO Reg. 65198 · Houston, TX
- Ron GalantUSPTO Reg. 60558 · Chicago, IL
- Rebecca Ann HammerUSPTO Reg. 82776 · Phoenix, AZ
- Philip G HamptonUSPTO Reg. 30642 · Washington, DC
- Roberta J HansonUSPTO Reg. 51774 · Denver, CO
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 John R Posthumus
Is John R Posthumus a registered patent attorney?
Yes. John R Posthumus is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 36245). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John R Posthumus located?
John R Posthumus's office is in Denver, Colorado (80202-2498). Affiliated with Polsinelli PC.
What firm does John R Posthumus work at?
John R Posthumus is listed as affiliated with Polsinelli PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John R Posthumus?
John R Posthumus's office phone (per the USPTO public roster) is 720-931-1191. 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.