Registered patent attorney
Nathan S Mammen
Firm
Reichman Jorgensen Lehman & Feldberg LLP
Address
1909 K Street NW
Suite 800
Washington, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at Reichman Jorgensen Lehman & Feldberg LLP
- Philip J EklemUSPTO Reg. 76490 · Washington, DC
- Connor S HoughtonUSPTO Reg. 77830 · Washington, DC
- Jeff LeungUSPTO Reg. 65896 · Redwood Shores, CA
- Michael J X Matulewicz-CrowleyUSPTO Reg. 72220 · New York, NY
- Taylor N MauzeUSPTO Reg. 75827 · Austin, TX
- Aaron L MorrisUSPTO Reg. 80821 · Redwood City, CA
- Peter J. ParkUSPTO Reg. 71267 · Washington, DC
- Michael M PolkaUSPTO Reg. 75084 · Redwood City, CA
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 Nathan S Mammen
Is Nathan S Mammen a registered patent attorney?
Yes. Nathan S Mammen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54892). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Nathan S Mammen located?
Nathan S Mammen's office is in Washington, District of Columbia (20006). Affiliated with Reichman Jorgensen Lehman & Feldberg LLP.
What firm does Nathan S Mammen work at?
Nathan S Mammen is listed as affiliated with Reichman Jorgensen Lehman & Feldberg LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Nathan S Mammen?
Nathan S Mammen's office phone (per the USPTO public roster) is 202-988-2827. 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.