Registered patent attorney
Gregory W Marcum
Firm
Carsten & Cahoon, LLP
Address
1 Greenway Plaza
Suite 100
Houston, TX, 77046
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Gregory W Marcum
Is Gregory W Marcum a registered patent attorney?
Yes. Gregory W Marcum is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69184). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Gregory W Marcum located?
Gregory W Marcum's office is in Houston, Texas (77046). Affiliated with Carsten & Cahoon, LLP.
What firm does Gregory W Marcum work at?
Gregory W Marcum is listed as affiliated with Carsten & Cahoon, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Gregory W Marcum?
Gregory W Marcum's office phone (per the USPTO public roster) is 713-270-0097. 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.