ZIP 19335
Patent attorneys in ZIP code 19335 · Pennsylvania
ZIP code 19335 in Pennsylvania has 4 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. Local offices include Molecular Devices LLC and Maenner & Associates, LLC.
All practitioners
Pauline Farmer-Koppenol
Reg. 58004Patent attorney
Molecular Devices LLC
Downingtown, PA · 19335
484-593-1854
Joseph E Maenner
Reg. 41964Patent attorney
Maenner & Associates, LLC
Downingtown, PA · 19335
215-275-5595
Arnold S Milowsky
Reg. 35288Patent attorney
Downingtown, PA · 19335
610-873-5474
Todd W Spradau
Reg. 52242Patent attorney
Innoventiv IP
Downingtown, PA · 19335
484-288-9295
Common questions
Do patent attorneys in ZIP 19335 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 19335 tend to track the broader Pennsylvania legal market.
How many USPTO practitioners list a ZIP 19335 office?
4 USPTO-registered patent practitioners list a ZIP 19335 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 19335 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 19335-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.