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., Potter Anderson & Corroon LLP, and Tyco Electronics Corporation.

Francis M Linguiti

Reg. 32424

Patent attorney

InterDigital Holdings Inc.

Wilmington, DE · 19809-3727

302-281-3676

Kangping K Loewenstein

Reg. 41161

Patent attorney

Tyco Electronics Corporation

Wilmington, DE · 19808

302-633-2764

David Mercur Lukoff

Reg. 30870

Patent attorney

Wilmington, DE · 19801

302-468-5033

Ava E. Lutz

Reg. 79309

Patent attorney

Panitch Schwarze Belisario & Nadel, LLP

Wilmington, DE · 19803

302-394-6022

Marie Hagarty MacNichol

Reg. 35941

Patent attorney

InterDigital Holdings Inc.

Wilmington, DE · 19809

302-281-3705

Roberte M D Makowski

Reg. 55421

Patent attorney

Connolly Gallagher LLP

Wilmington, DE · 19801

302-757-7300

Andrea V Malinowski

Reg. 33012

Patent attorney

DuPont Legal

Wilmington, DE · 19898

302-774-6443

Daniel M Maloney

Reg. 43771

Patent attorney

E.I. du Pont de Nemours and Company

Wilmington, DE · 19805

302-892-5529

Leland R. Marcus

Reg. 81814

Patent attorney

Wilmington, DE · 19806

302-449-9010

Joshua W Martin· III

Reg. 28324

Patent attorney

Potter Anderson & Corroon LLP

Wilmington, DE · 19899-0951

302-984-6010

Nancy S Mayer

Reg. 29190

Patent attorney

E I du Pont de Nemours and Company

Wilmington, DE · 19805

302-892-0680

Patricia McGee

Reg. 37391

Patent attorney

E I du Pont de Nemours and CO.

Wilmington, DE · 19898

302-773-0149

Thomas J McWilliams

Reg. 44930

Patent attorney

Barnes & Thornburg, LLP

Wilmington, DE · 19801-1050

302-300-3443

George M Medwick

Reg. 27456

Patent attorney

E I Du Point de Nemours and CO

Wilmington, DE · 19805

302-892-7915

Rakesh H Mehta

Reg. 50224

Patent attorney

Potter Anderson & Corroon LLP

Wilmington, DE · 19899-0951

302-984-6089

Pamela C Meitner

Reg. 28774

Patent attorney

Wilmington, DE · 19803

302-654-2097

William J Merritt

Reg. 38967

Patent attorney

Interdigital Inc.

Wilmington, DE · 19809

302-281-3700

Roger Miao

Reg. 53323

Patent agent

DuPont de Nemours, Inc.

Wilmington, DE · 19880

302-596-6923

Bruce M Monroe

Reg. 33602

Patent attorney

Wilmington, DE · 19810-3424

302-478-5733

M.P. Moon

Reg. 53844

Patent attorney

Wilmington, DE · 19899

Michael A Moore

Reg. 41203

Patent attorney

Wilmington, DE · 19803

312-615-6783

Eamonn P Morrison

Reg. 55841

Patent attorney

Morrison Law

Wilmington, DE · 19809

302-793-4941

Susan E. Morrison

Reg. 56332

Patent attorney

Fish & Richardson P.C.

Wilmington, DE · 19899-1114

302-778-8434

Bruce William Morrissey

Reg. 30663

Patent attorney

Wilmington, DE · 19803

302-478-3549

Arthur Z Moss

Reg. 41206

Patent agent

The Du Pont Company

Wilmington, DE · 19880-0301

302-695-2360

Daniel C Mulveny

Reg. 45897

Patent attorney

Wilmington, DE · 19803

302-530-4830

Dillon T. Murphy

Reg. 79699

Patent agent

Buchanan Ingersoll & Rooney PC

Wilmington, DE · 19801

610-675-6822

Glenn E J Murphy

Reg. 33539

Patent attorney

Buchanan Ingersoll & Rooney

Wilmington, DE · 19801

302-778-3462

Jonathon O Narita

Reg. 53369

Patent agent

E I Du Pont de Nemours and Company

Wilmington, DE · 19880-0353

302-695-3127

Jamie T Nguyen

Reg. 64687

Patent attorney

Interdigital,

Wilmington, DE · 19809

302-281-3600

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.