ZIP 20250
Patent attorneys in ZIP code 20250 · District of Columbia
ZIP code 20250 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 United States Department of Agriculture and US Dept of Agriculture.
All practitioners
John D Dellinger
Reg. 50436Patent attorney
United States Department of Agriculture
Washington, DC · 20250-1400
202-239-4531
John D Fado
Reg. 27876Patent attorney
US Dept of Agriculture
Washington, DC · 20250
202-720-2421
Lesley E Shaw
Reg. 52214Patent attorney
United States Department of Agriculture
Washington, DC · 20250-1400
202-720-6035
Common questions
Do patent attorneys in ZIP 20250 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 20250 tend to track the broader District of Columbia legal market.
How many USPTO practitioners list a ZIP 20250 office?
3 USPTO-registered patent practitioners list a ZIP 20250 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 20250 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20250-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.