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 Drinker Biddle & Reath LLP, Shaw Keller LLP, and Ashland Inc..

Stephanie O'Byrne

Reg. 57837

Patent attorney

Shaw Keller LLP

Wilmington, DE · 19801

302-298-0700

Robert Patrick O'Flynn O'Brien

Reg. 35629

Patent attorney

Ashland Inc.

Wilmington, DE · 19808

302-594-6953

Gerard M O'Rourke

Reg. 39794

Patent attorney

O'Rourke Law Office, LLC

Wilmington, DE · 19801-1186

484-770-8046

Brian C Oakes

Reg. 41467

Patent attorney

Tyco Technology Resources

Wilmington, DE · 19808

302-633-2770

Robert M Oakes

Reg. 62189

Patent attorney

Fish & Richardson P.C.

Wilmington, DE · 19899-1114

302-778-8477

Joan T Odell

Reg. 56870

Patent agent

DuPont Company

Wilmington, DE · 19880-0301

302-695-7030

Emil M Orozco· Jr

Reg. 50823

Patent agent

DuPont Agriculture & Nutrition

Wilmington, DE · 19880-0353

302-695-3121

Charlotte R Otto

Reg. 33987

Patent agent

E.I. DuPont

Wilmington, DE · 19805

302-999-2509

Michelle Marie Ovanesian

Reg. 77028

Patent agent

Young, Conaway, Stargatt & Taylor

Wilmington, DE · 19801

302-407-1429

Kelly Anne Palaisa

Reg. 61888

Patent agent

Wilmington, DE · 19805

302-999-3694

Bindu A. G. Palapura

Reg. 70701

Patent attorney

Potter, Anderson & Corroon LLP

Wilmington, DE · 19899

302-984-6092

Dawn L Palmer

Reg. 41238

Patent attorney

Tyco Electronics Corporation

Wilmington, DE · 19808

302-633-2772

Keith W Palmer

Reg. 53427

Patent agent

The Chemours Company

Wilmington, DE · 19801

302-773-4576

Donald F Parsons· Jr

Reg. 31991

Patent attorney

Retired

Wilmington, DE · 19803

302-598-0765

Laurence T Pearson

Reg. 53446

Patent agent

E I Dupont De Nemours and Copmany

Wilmington, DE · 19805

302-999-4219

Carol R Perrotto

Reg. 41247

Patent agent

E I Du Pont de Nemours and Co, Inc.

Wilmington, DE · 19880

302-695-3590

Ashley I Pezzner

Reg. 35646

Patent attorney

Drinker Biddle & Reath LLP

Wilmington, DE · 19801

302-467-4200

Harold Pezzner

Reg. 22112

Patent attorney

Drinker Biddle & Reath LLP

Wilmington, DE · 19801

302-467-4200

Irene Greenwald Plotzker

Reg. 52127

Patent agent

E I Du Pont de Nemours and CO INC

Wilmington, DE · 19880-0301

302-695-3873

Pamela DeMarois Politis

Reg. 47865

Patent attorney

Incyte Corporation

Wilmington, DE · 19803

302-498-5775

Terry N Rahmeier

Reg. 55558

Patent agent

Wilmington, DE · 19807

302-998-3320

Thatcher A Rahmeier

Reg. 65734

Patent attorney

Drinker Biddle & Reath LLP

Wilmington, DE · 19801

302-467-4200

Brad C Rametta

Reg. 54387

Patent attorney

TE Connectivity Corporation

Wilmington, DE · 19808

302-633-2740

Anthony D. Raucci

Reg. 66829

Patent attorney

Morris, Nichols, Arsht & Tunnell LLP

Wilmington, DE · 19899-1347

302-351-9392

Janet E Reed

Reg. 36252

Patent attorney

Potter Anderson & Corroon LLP

Wilmington, DE · 19801

302-984-6044

Stephen E Reynolds

Reg. 37580

Patent agent

E.I. DuPont & Co., Inc.

Wilmington, DE · 19805

302-999-5727

Patricia Smink Rogowski

Reg. 33791

Patent attorney

Rogowski Law LLC

Wilmington, DE · 19809

302-893-0048

Joanne Mary Fobare Rossi

Reg. 43061

Patent attorney

Solenis Technologies, L.P.

Wilmington, DE · 19803

302-502-0808

Jeffrey T. Russell

Reg. 61630

Patent agent

InterDigital Holdings, Inc.

Wilmington, DE · 19809-3727

302-281-3656

John Paul Ryan

Reg. 52186

Patent agent

Encadria Staffing Solutions

WILMINGTON, DE · 19808

302-683-3317

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.