Wilmington, Delaware

Patent attorneys in Wilmington

Wilmington, Delaware is home to 241 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 InterDigital Holdings, Inc., E I Du Pont de Nemours and Company, and E. I. DuPont de Nemous and Company.

Lynne M Christenbury

Reg. 30971

Patent attorney

E I Du Pont de Nemours and Company

Wilmington, DE · 19805

302-999-6337

Dawn S Clark

Reg. 42420

Patent agent

E. I. DuPont de Nemous and Company

Wilmington, DE · 19805

302-992-3980

Scott A Clark

Reg. 60425

Patent attorney

InterDigital Holdings, Inc.

Wilmington, DE · 19809-3727

302-281-3646

Jeffrey M Connor

Reg. 57409

Patent attorney

Qnity Electronics, Inc.

Wilmington, DE · 19805

302-575-7340

Paul E Crawford

Reg. 24397

Patent attorney

Wilmington, DE · 19806

302-655-2786

Evan A. Davey

Reg. 74627

Patent agent

Fish & Richardson, P.C.

Wilmington, DE · 19899

302-778-8457

Kelly A. Del Dotto

Reg. 74120

Patent attorney

Fish & Richardson

Wilmington, DE · 19899

302-652-5070

Timothy Devlin

Reg. 41706

Patent attorney

Devlin Law Firm LLC

Wilmington, DE · 19806

302-449-9011

Liliana Di Nola-Baron

Reg. 56073

Patent attorney

Panitch Schwarze Belisario & Nadel

Wilmington, DE · 19803

215-965-1388

Francis DiGiovanni

Reg. 37310

Patent attorney

Drinker Biddle & Reath LLP

Wilmington, DE · 19801

302-467-4200

Xiaobin Ding

Reg. 72168

Patent agent

Dupont Company

Wilmington, DE · 19803

267-968-0490

Bradley N Ditty

Reg. 40994

Patent attorney

InterDigital Holdings, Inc.

Wilmington, DE · 19809-3727

302-281-3653

Kevin S Dobson

Reg. 40296

Patent agent

E. I. DuPont De Nemours and Company

Wilmington, DE · 19805

302-999-6339

Rex A Donnelly

Reg. 41712

Patent attorney

Buchanan Ingersoll & Rooney

Wilmington, DE · 19899

302-778-3460

Kenneth L Dorsney

Reg. 51624

Patent attorney

Morris James LLP

Wilmington, DE · 19801-1494

302-888-6855

Roseanne Raimondo Duffy

Reg. 33869

Patent attorney

E. I. Du Pont de Nemours and CO

Wilmington, DE · 19898

302-773-0686

Mark A Edwards

Reg. 39542

Patent attorney

E I Du Pont de Nemours & Company

Wilmington, DE · 19880

302-353-9416

Brian P Egan

Reg. 54866

Patent attorney

Morris, Nichols, Arsht & Tunnell, LLP

Wilmington, DE · 19899-1347

302-351-9454

Ikenna C. Ejimonyeugwo

Reg. 82246

Patent agent

Panitch Schwarze Belisario & Nadel LLP

Wilmington, DE · 19803

302-394-6021

Jenafer Evans

Reg. 58177

Patent attorney

DuPont Specialty Products USA, LLC

Wilmington, DE · 19805

302-290-7126

Tamera L Fair

Reg. 35867

Patent attorney

DuPont

Wilmington, DE · 19805

302-999-4170

S Neil Feltham

Reg. 36506

Patent agent

E. I DuPont de Nemours and Company

Wilmington, DE · 19803

302-695-9360

Blair Q Ferguson

Reg. 34329

Patent attorney

Wilmington, DE · 19806

302-354-3126

Gregory J Feulner

Reg. 41744

Patent attorney

E I Dupont De Nemours and Company

Wilmington, DE · 19805

302-999-4201

Gordon Edward Fish

Reg. 46111

Patent agent

Wilmington, DE · 19808

302-482-2242

Mark E Freeman

Reg. 48143

Patent attorney

Freeman Intellectual Property Law, LLC

Wilmington, DE · 19805

302-304-3837

Christina Warrick Geerlof

Reg. 45690

Patent attorney

The LYCRA Company

Wilmington, DE · 19808

302-498-9304

John B. Gillick· Jr.

Reg. 63027

Patent attorney

InterDigital Holdings, Inc.

Wilmington, DE · 19809

302-281-3671

Joel W. Glazer

Reg. 76493

Patent attorney

Devlin Law Firm

Wilmington, DE · 19806

440-667-7109

Andrew G Golian

Reg. 25293

Patent attorney

Wilmington, DE · 19803

302-658-5740

Common questions

Do patent attorneys in Wilmington 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 Wilmington tend to track the broader Delaware legal market.

How many USPTO practitioners list a Wilmington office?

241 USPTO-registered patent practitioners list a Wilmington 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 Wilmington practitioner remotely?

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