ZIP 20546
Patent attorneys in ZIP code 20546 · District of Columbia
ZIP code 20546 in District of Columbia has 3 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include National Aeronautics and Space Administration and NASA - HQ, Office 7E78.
All practitioners
Joseph M. Fleishman
Reg. 72816Patent attorney
National Aeronautics and Space Administration
Washington, DC · 20546
202-235-2237
Trenton J. Roche
Reg. 61164Patent attorney
National Aeronautics and Space Administration
Washington, DC · 20546
202-358-0646
Ruth B. Siboni
Reg. 76622Patent agent
NASA - HQ, Office 7E78
Washington, DC · 20546
910-232-4605
Common questions
Do patent attorneys in ZIP 20546 cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in ZIP 20546 tend to track the broader District of Columbia legal market.
How many USPTO practitioners list a ZIP 20546 office?
3 USPTO-registered patent practitioners list a ZIP 20546 mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a ZIP 20546 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20546-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.