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Clayton, Missouri

Patent attorneys in Clayton

Clayton, Missouri is home to 8 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 Harness, Dickey & Pierce, P.L.C., Harness, Dickey & Pierce, PLC, and Armstrong Teasdale LLP.

Matthew L Cutler

Reg. 43574
Patent attorney

Harness, Dickey & Pierce, P.L.C.

Clayton, MO · 63105

314-726-7500

Anthony G Fussner

Reg. 47582
Patent attorney

Harness, Dickey & Pierce, P.L.C.

Clayton, MO · 63105

314-726-7500

Jessica E.S. Glunt

Reg. 64381
Patent attorney

Clayton, MO · 63105

314-605-6941

Joshua Kim

Reg. 73435
Patent attorney

Harness, Dickey & Pierce, PLC

Clayton, MO · 63105

314-446-7638

Ashley M Mayer

Reg. 70018
Patent attorney

Armstrong Teasdale LLP

Clayton, MO · 63105

314-621-5070

David J Tucker· Jr.

Reg. 63120
Patent attorney

Harness, Dickey & Pierce, P.L.C.

Clayton, MO · 63105

314-446-7681

Kaylynn R. Williamson

Reg. 82650
Patent agent

Clayton, MO · 63105

618-420-8683

Saul L Zackson

Reg. 52391
Patent attorney

Sandberg, Phoenix & von Gontard, P.C.

Clayton, MO · 63105

314-425-4916

Common questions

Do patent attorneys in Clayton 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 Clayton tend to track the broader Missouri legal market.
How many USPTO practitioners list a Clayton office?
8 USPTO-registered patent practitioners list a Clayton 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 Clayton practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Clayton-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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