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., The Chemours Company FC, LLC, and Panitch Schwarze Belisario & Nadel LLP.

Jeffrey B Safran

Reg. 54689

Patent attorney

McCarter & English, LLP

Wilmington, DE · 19801

302-984-6357

Kathryn Mary Sanchez

Reg. 43081

Patent agent

The Chemours Company

Wilmington, DE · 19801

302-773-0078

Julian Francis Santos

Reg. 47917

Patent attorney

InterDigital Holdings, Inc.

Wilmington, DE · 19809

302-281-3665

F. Sima Sariaslani

Reg. 62253

Patent agent

Dupont Central Research

Wilmington, DE · 19880

302-695-7425

Linda K H Sauerbrunn

Reg. 41291

Patent agent

Wilmington, DE · 19810

302-540-0731

Jerome G Schaefer

Reg. 50800

Patent attorney

InterDigital

Wilmington, DE · 19809

609-436-9560

Claudia Schultze

Reg. 60016

Patent attorney

Faegre Drinker Biddle & Reath LLP

Wilmington, DE · 19801

302-467-4200

Bridget Catherine Sciamanna

Reg. 47333

Patent attorney

INVISTA

Wilmington, DE · 19808

302-683-3137

Patricia Marie Scott

Reg. 33068

Patent attorney

The Chemours Company FC, LLC

Wilmington, DE · 19899

302-773-2285

Robert Steven Scott

Reg. 53572

Patent agent

The Chemours Company FC, LLC

Wilmington, DE · 19801

302-383-0125

Yin Shao

Reg. 72935

Patent agent

InterDigital Holdings, Inc.

Wilmington, DE · 19809

202-349-1715

Jason Mitchell Shapiro

Reg. 35354

Patent attorney

Devlin Law Firm LLC

Wilmington, DE · 19806

302-449-9010

John W Shaw

Reg. 40809

Patent attorney

Shaw Keller LLP

Wilmington, DE · 19899

302-298-0700

Ellen R Sherin

Reg. 68172

Patent agent

DuPont

Wilmington, DE · 19805

302-999-5963

Andrew J. Sherman

Reg. 74042

Patent attorney

Devlin Law Firm

Wilmington, DE · 19806

302-449-9010

Barbara Carrol Siegell

Reg. 30684

Patent attorney

Wilmington, DE · 19810

302-478-3397

Faith L K Silver

Reg. 27720

Patent agent

E I Du Pont de Nemours and Company

Wilmington, DE · 19805

302-999-2457

Alan R. Silverstein

Reg. 67463

Patent attorney

Potter Anderson & Corroon LLP

Wilmington, DE · 19899-0951

302-984-6000

John D Simmons

Reg. 52225

Patent attorney

Panitch Schwarze Belisario & Nadel LLP

Wilmington, DE · 19803

302-394-6001

Jessica Michelle Sinnott

Reg. 34015

Patent attorney

DuPont Specialty Products USA LLC

Wilmington, DE · 19805

302-545-3218

Stephany Gale Small

Reg. 69532

Patent agent

Panitch Schwarze Belisario & Nadel LLP

Wilmington, DE · 19803

302-394-6010

Gerard M Spadaccini

Reg. 48184

Patent attorney

Wilmington, DE · 19803

302-477-0184

Andrew W Spicer

Reg. 57420

Patent attorney

InterDigital Holdings, Inc.

Wilmington, DE · 19809

302-281-3721

Gary R Spritz

Reg. 53630

Patent attorney

Wilmington, DE · 19803

302-655-0900

Monte T. Squire

Reg. 80123

Patent attorney

Duane Morris

Wilmington, DE · 19801-1160

302-229-3813

Stamatios Stamoulis

Reg. 47960

Patent attorney

Stamoulis & Weinblatt LLC

Wilmington, DE · 19809

302-999-1540

Thomas A Stevens

Reg. 52256

Patent attorney

AstraZeneca Pharmaceuticals LP

Wilmington, DE · 19850

302-885-5457

Johan M Stoop

Reg. 61723

Patent agent

IFF

Wilmington, DE · 19803

302-999-3582

Chad S C Stover

Reg. 54471

Patent attorney

Barnes & Thornburg LLP

Wilmington, DE · 19801

302-300-3434

Frederick D Strickland

Reg. 39041

Patent attorney

E I du Pont de Nemours and Company

Wilmington, DE · 19805

302-999-6395

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.