Registered patent attorney
Kirk A. Sigmon
Firm
Banner & Witcoff Ltd.
Address
1100 13th Street, NW
#1200
Washington, DC, 20005
US
Phone
Registered as
Registered patent attorney
Other attorneys at Banner & Witcoff Ltd.
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Canek AcostaMayer Brown LLP
- Stephanie N. AdamakosPaul Hastings LLP
Frequently asked
Frequently asked about Kirk A. Sigmon
Is Kirk A. Sigmon a registered patent attorney?
Yes. Kirk A. Sigmon is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 76326). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Kirk A. Sigmon located?
Kirk A. Sigmon's office is in Washington, District of Columbia (20005). Affiliated with Banner & Witcoff Ltd..
What firm does Kirk A. Sigmon work at?
Kirk A. Sigmon is listed as affiliated with Banner & Witcoff Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Kirk A. Sigmon?
Kirk A. Sigmon's office phone (per the USPTO public roster) is 202-824-3000. 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.