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St. Louis, Missouri

Patent attorneys in St. Louis

St. Louis, Missouri is home to 221 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 Armstrong Teasdale LLP, POLSINELLI PC, and Welsh IP Strategies, LLC.

Robert W Welsh

Reg. 31687
Patent attorney

Welsh IP Strategies, LLC

St. Louis, MO · 63131

314-805-7788

Andrew B. Whitehead

Reg. 61989
Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-259-4708

Zachary S Wiersma

Reg. 77808
Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-259-4764

Catherine J Winter

Reg. 38364
Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-342-7807

Jacob A. Winton

Reg. 84153
Patent agent

Husch Blackwell

St. Louis, MO · 63105

314-480-1500

Adam R Wuller

Reg. 65671
Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-621-5070

Clayton R. Zak

Reg. 72156
Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6293

Paul E Zarek

Reg. 75190
Patent agent

POLSINELLI PC

St. Louis, MO · 63105

314-889-8000

Michael E. Zawalski

Reg. 82044
Patent attorney

POLSINELLI PC

St. Louis, MO · 63105

314-889-8000

Brendan R. Zee-Cheng

Reg. 75209
Patent attorney

Husch Blackwell LLP

St. Louis, MO · 63105

314-480-1500

Karen M Zelle

Reg. 67555
Patent attorney

Polsinelli PC

St. Louis, MO · 63102

314-552-6894

Common questions

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