ZIP 20230
Patent attorneys in ZIP code 20230 · District of Columbia
ZIP code 20230 in District of Columbia has 4 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 U.S. Department of Commerce and Office of the Inspector General.
All practitioners
Christopher A Brown
Reg. 41642Patent attorney
Office of the Inspector General
Washington, DC · 20230
202-750-5360
Andrea G Torczon
Reg. 36701Patent attorney
US Deptartment of Commerce
Washington, DC · 20230
202-482-8028
Shraddha A Upadhyaya
Reg. 49025Patent agent
U.S. Department of Commerce
Washington, DC · 20230
202-482-6066
Anita Choudhary Zinzuvadia
Reg. 56520Patent agent
U.S. Department of Commerce
Washington, DC · 20230
202-482-3772
Common questions
Do patent attorneys in ZIP 20230 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 20230 tend to track the broader District of Columbia legal market.
How many USPTO practitioners list a ZIP 20230 office?
4 USPTO-registered patent practitioners list a ZIP 20230 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 20230 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20230-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.