ZIP 19810
Patent attorneys in ZIP code 19810 · Delaware
ZIP code 19810 in Delaware has 8 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office.
All practitioners
Steven E. Kleiner
Reg. 61151Patent attorney
Wilmington, DE · 19810
302-635-0775
Charles Stuart Knothe
Reg. 29661Patent attorney
Wilmington, DE · 19810
302-478-8800
Robert K Kobos
Reg. 54229Patent agent
Wilmington, DE · 19810
302-475-4489
Jeffrey C Lew
Reg. 35935Patent attorney
Wilmington, DE · 19810
302-475-7919
Bruce M Monroe
Reg. 33602Patent attorney
Wilmington, DE · 19810-3424
302-478-5733
Joy Mulholland
Reg. 47810Patent attorney
Ardentown, DE · 19810
Linda K H Sauerbrunn
Reg. 41291Patent agent
Wilmington, DE · 19810
302-540-0731
Barbara Carrol Siegell
Reg. 30684Patent attorney
Wilmington, DE · 19810
302-478-3397
Common questions
Do patent attorneys in ZIP 19810 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 ZIP 19810 tend to track the broader Delaware legal market.
How many USPTO practitioners list a ZIP 19810 office?
8 USPTO-registered patent practitioners list a ZIP 19810 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 ZIP 19810 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 19810-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.