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Baltimore, Maryland

Patent attorneys in Baltimore

Baltimore, Maryland is home to 119 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include University of Maryland School of Law, Under Armour, Inc., and Johns Hopkins Technology Ventures.

Jeanine M. Pennington

Reg. 67638
Patent agent

John Hopkins University Technology Transfer

Baltimore, MD · 21201

410-516-5680

Jackson Ray Petrella

Reg. 903024
Limited recognition

University of Maryland School of Law

Baltimore, MD · 21201

617-637-2649

Amol Purohit

Reg. 65547
Patent attorney

Under Armour, Inc.

Baltimore, MD · 21230

1-8-884-27-6687

Kajan Ratnakumar

Reg. 81308
Patent agent

Baltimore, MD · 21211

917-673-1871

Bernard Rhee

Reg. 48816
Patent attorney

Technology & Business Law Advisors, LLC

Baltimore, MD · 21286

443-519-5540

Sam Rosen

Reg. 37991
Patent attorney

.

Baltimore, MD · 21215

410-358-0877

Pinchus Rubelow

Reg. 83556
Patent agent

Baltimore, MD · 21209

443-472-9498

Sara R. Salhanick

Reg. 64316
Patent agent

Baltimore, MD · 21209

646-413-1806

Louisa T. Salomon

Reg. 63215
Patent attorney

Johns Hopkins Technology Ventures

Baltimore, MD · 21205

571-271-7116

Peter A. Sheppard

Reg. 71554
Patent attorney

Johns Hopkins Technology Ventures

Baltimore, MD · 21205

443-963-2909

Brandon L Shue

Reg. 63010
Patent agent

Baltimore, MD · 21230

540-239-4194

Massa Sitta

Reg. 902673
Limited recognition

University of Maryland School of Law

Baltimore, MD · 21201

703-717-3068

Hee H Smith

Reg. 57631
Patent attorney

The Johns Hopkins University

Baltimore, MD · 21231

443-243-6729

Jill A Tarzian Sorensen

Reg. 34959
Patent attorney

Bilyan, LLC

Baltimore, MD · 21210

443--51-4-7122

Rachel L St Peter

Reg. 47958
Patent attorney

Under Armour, Inc.

Baltimore, MD · 21230

410-454-6759

Theresa M Stevens

Reg. 36281
Patent attorney

Lupin GmbH

Baltimore, MD · 21202

410-576-2000

Gregory M Stone

Reg. 43165
Patent attorney

Womble Bond Dickinson (US) LLP

Baltimore, MD · 21202

410-545-5819

Julia Eliza Streit

Reg. 902675
Limited recognition

University of Maryland School of Law

Baltimore, MD · 21201

217-714-3793

Michael S Studdard

Reg. 50992
Patent attorney

States Attorney Office Of Baltimore City

Baltimore, MD · 21202

410-396-1020

Dan Tasch

Reg. 63393
Patent agent

Baltimore, MD · 21209

410-961-5358

Steven E Tiller

Reg. 39859
Patent attorney

Whiteford Taylor & Preston, LLP

Baltimore, MD · 21202

410-347-8700

David L. Washington

Reg. 62265
Patent attorney

Law Offices of David L. Washington

Baltimore, MD · 21230

202-297-9778

Edward A Weathers

Reg. 54527
Patent agent

Baltimore, MD · 21206

410-488-4666

Richard C Wilder

Reg. 31202
Patent attorney

Baltimore, MD · 21211

202-740-8430

Sam Lawrence Williams

Reg. 68071
Patent attorney

Baltimore, MD · 21210

202-596-7267

Linda B Zeit

Reg. 57084
Patent attorney

Office of the Public Defender

Baltimore, MD · 21202

410-333-4900 EXT. 242

Alevtina G Zhelonkina

Reg. 65746
Patent agent

The Johns Hopkins University

Baltimore, MD · 21201

410-516-7789

Qi Zhuo

Reg. 63749
Patent agent

Johns Hopkins University

Baltimore, MD · 21205

667-306-8205

Shannon Leigh Ziegler

Reg. 903025
Limited recognition

University of Maryland School of Law

Baltimore, MD · 21201

443-789-0316

Common questions

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