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ZIP 20899

Patent attorneys in ZIP code 20899 · Maryland

ZIP code 20899 in Maryland has 9 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 National Institute of Standards and Technology and United States Department of Commerce.

All practitioners

Jeffrey A DiVietro

Reg. 68212
Patent agent

National Institute of Standards and Technology

Gaithersburg, MD · 20899

301-975-8779

Daniel B. Gopman

Reg. 84210
Patent agent

NIST

Gaithersburg, MD · 20899-8552

301-975-4047

Spencer J Johnson

Reg. 75125
Patent attorney

United States Department of Commerce

Gaithersburg, MD · 20899

202-381-8344

Marianne L Lynch

Reg. 51047
Patent attorney

Dept. of Commerce/NIST

Gaithersburg, MD · 20899

301--97-5-2389

Steven Phillip Marquis

Reg. 35810
Patent agent

National Institute of Standards and Technology

Gaithersburg, MD · 20899-2200

301-975-3042

Rajesh B. Nair

Reg. 65654
Patent attorney

National Institute of Standards and Technology

Gaithersburg, MD · 20899

301-975-2803

Michael A. Nelson

Reg. 83019
Patent agent

National Institute of Standards and Technology

Gaithersburg, MD · 20899

301-975-4100

G Nagesh Rao

Reg. 69006
Patent agent

US Department of Commerce

Gaithersburg, MD · 20899

202-913-1484

Henry N Wixon

Reg. 32073
Patent attorney

United States Department of Commerce

Gaithersburg, MD · 20899

301-975-2803

Common questions

Do patent attorneys in ZIP 20899 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 20899 tend to track the broader Maryland legal market.
How many USPTO practitioners list a ZIP 20899 office?
9 USPTO-registered patent practitioners list a ZIP 20899 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 20899 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20899-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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