Maryland

Patent attorneys in Maryland

Maryland hosts 1,200 active patent practitioners registered with the USPTO Office of Enrollment and Discipline. Patent attorneys and patent agents can both prepare and file patent applications, but only patent attorneys can also offer legal advice on prosecution strategy, freedom-to-operate analyses, and infringement opinions in Maryland. Practitioners are concentrated across 20 cities, with the largest clusters in the metros listed below. Notable firms with multiple registered practitioners in the state include Edell, Shapiro & Finnan, LLC, National Cancer Institute, and Ai & Associates.

Top cities in Maryland

All practitioners in Maryland

Fredric D Abramson

Reg. 33642

Patent attorney

Gaithersburg, MD · 20882

301-840-9733

Martin Abramson

Reg. 25787

Patent attorney

Edell, Shapiro & Finnan, LLC

Gaithersburg, MD · 20678

301-424-3640

Kevin S. Adams

Reg. 81680

Patent attorney

Baltimore, MD · 21224

202-807-4021

Anum Afzal

Reg. 84039

Patent agent

Baltimore, MD · 21224

630-724-7334

Bahman Aghdasi

Reg. 59346

Patent agent

Rosedale, MD · 21237

301-580-4018

Sidra Ahsan

Reg. 77085

Patent agent

National Cancer Institute

Bethesda, MD · 20892

248-910-0762

Julia Ai

Reg. 48353

Patent attorney

Ai & Associates

Rockville, MD · 20850

301-294-0780

Irwin M Aisenberg

Reg. 19007

Patent attorney

Bethesda, MD · 20814

301-365-6444

Andrew C Aitken

Reg. 36729

Patent attorney

Aitken Law Offices

Wheaton, MD · 20915

301-537-3299

Laith Q Al-Mawsawi

Reg. 60883

Patent agent

Human Genome Sciences, Inc.

Rockville, MD · 20850

240-314-4400 EXT. 2070

Nanda K Alapati

Reg. 39893

Patent attorney

Thistlehouse Advisors

Gaithersburg, MD · 20882

240-676-6493

Patrick Scott Alban

Reg. 48714

Patent attorney

Astra Zeneca, Legal Department

Gaithersburg, MD · 20878

301-398-1041

Samuel L Alberstadt

Reg. 32766

Patent attorney

Annapolis, MD · 21401

310-991-2233

Clarence L. Albritton

Reg. 38760

Patent agent

Mitchellville, MD · 20721

301-249-9149

Andrew J Aldag

Reg. 40483

Patent attorney

Edell, Shapiro and Finnan, LLC

Gaithersburg, MD · 20878

301-424-3640

Christopher R Alder

Reg. 47383

Patent attorney

Patent Elements

Baltimore, MD · 21230

410-530-4850

Joel F Aldrich

Reg. 71964

Patent attorney

AstraZeneca

Gaithersburg, MD · 20878

301-398-0932

William A Alexander

Reg. 44009

Patent agent

National Institute of Allergy and Infectious Diseases, NIH

Bethesda, MD · 20892-6604

301-451-6806

Ilene D Altman

Reg. 36371

Patent attorney

North Potomac, MD · 20878-4816

240-453-0977

Kande K D Amarasinghe

Reg. 65835

Patent agent

Ellicott City, MD · 21042

410-461-5071

Javid A. Amini

Reg. 83565

Patent agent

Jey-Network LLC

Gaithersburg, MD · 20878

240-620-5852

Flora M Amwayi

Reg. 73039

Patent attorney

Accokeek, MD · 20607

617-821-9468

Siddharth Anandalingam

Reg. 82945

Patent attorney

Bethesda, MD · 20817

301-910-3372

Gerald A. Anderson

Reg. 55989

Patent agent

Gerald Anderson

Chevy Chase, MD · 20815

240-447-6494

Koren J Anderson

Reg. 51061

Patent agent

Mati Therapeutics Inc.

Gaithersburg, MD · 20882

130-178-82236

Lawrence E Anderson

Reg. 29503

Patent attorney

Army Research Laboratory

Adelphi, MD · 20783

301-394-0613

Isaac A Angres

Reg. 29765

Patent agent

Isaac A. Angres, Ph.D.

Gaithersburg, MD · 20878

703-418-3777

Christopher E Aniedobe

Reg. 48293

Patent attorney

Dobe Law Group, LLC

Greenbelt, MD · 20770

301-982-0152

Raymond F Anthracite

Reg. 61835

Patent attorney

The Law Office of Raymond F. Anthracite

Rockville, MD · 20850

301-556-8709

Michael C Antone

Reg. 39094

Patent attorney

Law Office of Michael Antone

West Friendship, MD · 21794

443-838-9510

Common questions

Do I need a patent attorney based in Maryland?

No. Every USPTO-registered patent practitioner is licensed to file applications on behalf of inventors in any state, regardless of where the practitioner's office is. Choosing a Maryland-based practitioner can simplify in-person inventor signings, local meetings, and same-time-zone calls, but it is not a legal requirement.

How many patent attorneys are licensed in Maryland?

1,200 active USPTO-registered patent practitioners list a Maryland office address on the OEDCI roster. This includes both patent attorneys (who can also offer legal advice) and patent agents (who can prepare and file patents but not offer broader legal advice).

What is the difference between a patent attorney and a patent agent?

Both pass the USPTO Patent Bar and can prepare, file, and prosecute patent applications. Only patent attorneys also hold a state bar license, meaning they can additionally offer legal advice on infringement, licensing, and litigation strategy. Patent agents tend to charge less per hour and are common at large in-house IP departments.