ZIP 21054
Patent attorneys in ZIP code 21054 · Maryland
ZIP code 21054 in Maryland has 5 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.
All practitioners
Charlton J Chen
Reg. 75265Patent agent
Gambrills, MD · 21054
212-920-0816
Edward W Merz· II
Reg. 44445Patent agent
Gambrills, MD · 21054
410-672-6643
Avrom David Spevack
Reg. 24743Patent attorney
Gambrills, MD · 21054
301-953-1753
Charles R Watts
Reg. 33142Patent attorney
Gambrills, MD · 21054
410-451-6778
Lynn F Watts
Reg. 33496Patent attorney
Gambrills, MD · 21054
410-451-6778
Common questions
Do patent attorneys in ZIP 21054 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 21054 tend to track the broader Maryland legal market.
How many USPTO practitioners list a ZIP 21054 office?
5 USPTO-registered patent practitioners list a ZIP 21054 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 21054 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 21054-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.