Registered patent attorney
Roger W Parkhurst
Firm
Steptone & Johnson LLP
Address
1330 Connecticut Avenue N.W.
Washington, DC, 20036-1795
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Roger W Parkhurst
Is Roger W Parkhurst a registered patent attorney?
Yes. Roger W Parkhurst is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25177). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Roger W Parkhurst located?
Roger W Parkhurst's office is in Washington, District of Columbia (20036-1795). Affiliated with Steptone & Johnson LLP.
What firm does Roger W Parkhurst work at?
Roger W Parkhurst is listed as affiliated with Steptone & Johnson LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Roger W Parkhurst?
Roger W Parkhurst's office phone (per the USPTO public roster) is 202-429-6420. 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.