ZIP 21220
Patent attorneys in ZIP code 21220 · Maryland
ZIP code 21220 in Maryland 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 Stanley Black and Decker, Inc. and Black & Decker.
All practitioners
Timothy D. Kiser
Reg. 61350Patent attorney
Baltimore, MD · 21220
410-652-2964
Michael P Leary
Reg. 41144Patent agent
Stanley Black and Decker, Inc.
Middle River, MD · 21220
410-630-9425
Maureen Rottschaefer Long
Reg. 59982Patent attorney
Middle River, MD · 21220
410-925-4114
Scott B Markow
Reg. 46899Patent attorney
Black & Decker
Middle River, MD · 21220
410-630-9429
Common questions
Do patent attorneys in ZIP 21220 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 21220 tend to track the broader Maryland legal market.
How many USPTO practitioners list a ZIP 21220 office?
4 USPTO-registered patent practitioners list a ZIP 21220 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 21220 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 21220-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.