ZIP 21228
Patent attorneys in ZIP code 21228 · Maryland
ZIP code 21228 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. Local offices include Alembic Enterprises, LLC and University Of Maryland, Baltimore County.
All practitioners
Paul A Bell
Reg. 67413Patent agent
Catonsville, MD · 21228
410-314-1706
George Kenneth Eichelman
Reg. 78113Patent attorney
Catonsville, MD · 21228
443-604-7465
Gregory S Hamilton
Reg. 55242Patent agent
Alembic Enterprises, LLC
Catonsville, MD · 21228-3528
410-302-7830
Wendy C. Martin
Reg. 44903Patent agent
University Of Maryland, Baltimore County
Baltimore, MD · 21228
410-455-3658
Nathaniel J Pettigrew
Reg. 59007Patent agent
Peraton
Catonsville, MD · 21228
281-536-7540
Common questions
Do patent attorneys in ZIP 21228 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 21228 tend to track the broader Maryland legal market.
How many USPTO practitioners list a ZIP 21228 office?
5 USPTO-registered patent practitioners list a ZIP 21228 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 21228 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 21228-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.