ZIP 20993

Patent attorneys in ZIP code 20993 · Maryland

ZIP code 20993 in Maryland has 18 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. Food and Drug Administration and Food and Drug Administration.

All practitioners

Kristiana M Brugger

Reg. 56660

Patent attorney

Food and Drug Administration

Silver Spring, MD · 20993

Crystal R Canterbury

Reg. 69853

Patent attorney

Food and Drug Administration, Office of Generic Drug Policy

Silver Spring, MD · 20993

301-796-1349

Marissa W Chaet

Reg. 62457

Patent agent

FDA

Silver Spring, MD · 20993

Kathleen M Davies

Reg. 76077

Patent attorney

Food and Drug Administration

Silver Spring, MD · 20993

410-598-3833

Kristin I Davis

Reg. 51599

Patent attorney

U.S. Food & Drug Administration

Silver Spring, MD · 20993

301-796-0418

Rochelle C. Fink

Reg. 50462

Patent attorney

U.S. Food and Drug Administration

Silver Spring, MD · 20993

301-796-0838

Seth I. Heller

Reg. 77768

Patent attorney

Food and Drug Administration

Silver Spring, MD · 20993

240-402-6502

Jianping Li

Reg. 83377

Patent agent

U.S. Food and Drug Administration

Silver Spring, MD · 20993-0002

301-796-1611

Lixin Liu

Reg. 62243

Patent agent

FDA

Silver Spring, MD · 20993

301-796-6970

Bryon M Pearsall

Reg. 63166

Patent attorney

FDA Office of Medical Policy

Silver Spring, MD · 20993

301-796-9617

Alexander Poonai

Reg. 76557

Patent attorney

FDA

Silver Spring, MD · 20993

301-796-3600

Robert J. Rocchio

Reg. 83855

Patent agent

U.S. Food & Drug Administration

Silver Spring, MD · 20993

240-402-1540

William Charles Ronnenberg· Jr

Reg. 48693

Patent attorney

U.S. Food and Drug Administration

Silver Spring, MD · 20993

240-402-4561

Mitchell J Shein

Reg. 34518

Patent agent

US Food & Drug Administration

Silver Spring, MD · 20993

301-796-6363

Marianne Simone Terrot

Reg. 76461

Patent attorney

FDA Office of the Chief Counsel

Silver Spring, MD · 20993

301-796-8572

Michael N Varrone

Reg. 52317

Patent attorney

U.S. Food and Drug Admn

Silver Spring, MD · 20993-0002

301-796-8721

Ying Wang

Reg. 55711

Patent agent

Food & Drug Administration

Silver Spring, MD · 20993

301-796-1479

King Lit Wong

Reg. 37500

Patent attorney

U.S. Food and Drug Administration

Silver Spring, MD · 20993

301-796-6878

Common questions

Do patent attorneys in ZIP 20993 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 20993 tend to track the broader Maryland legal market.

How many USPTO practitioners list a ZIP 20993 office?

18 USPTO-registered patent practitioners list a ZIP 20993 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 20993 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20993-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.