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, Harness, Dickey & Pierce, P.L.C., and Armstrong Teasdale, LLP.

Richard A. Hoffman

Reg. 82402

Patent attorney

St. Louis, MO · 63130

314-630-0899

Steven G. Holdener

Reg. 67480

Patent attorney

Armstrong Teasdale, LLP

St. Louis, MO · 63105

314-259-4770

Donald R Holland

Reg. 35197

Patent attorney

St. Louis, MO · 63125

314-296-3210

William A Holtz

Reg. 64153

Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6512

Brian D Inacay

Reg. 75891

Patent attorney

St. Louis, MO · 63139

813-240-7396

Alex L. Jacobs

Reg. 76319

Patent attorney

St. Louis, MO · 63130

847-797-1354

David B Jinkins

Reg. 46805

Patent attorney

Thompson Coburn, LLP

St. Louis, MO · 63101

314-552-6304

Peter J. Jochens

Reg. 80362

Patent attorney

Husch Blackwell

St. Louis, MO · 63105

314-480-1945

Morgan L Johnson

Reg. 73963

Patent attorney

Stinson Leonard Street LLP

St. Louis, MO · 63105

314-345-7000

Daniel S Kasten

Reg. 45363

Patent attorney

Sigma - Aldrich Co.

St. Louis, MO · 63103

314-286-7454

James A Kearns

Reg. 55320

Patent attorney

Jones Walker LLP

St. Louis, MO · 63119

314-705-2680

Teneil L Kellerman

Reg. 53105

Patent attorney

Kellerman Law, LLC

St. Louis, MO · 63105

314-333-4025

Nicholas A. Keppel

Reg. 64979

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-621-5070

Brian P Klein

Reg. 44837

Patent attorney

Fast Forward Law LLC

St. Louis, MO · 63131

314-858-9500

Erin D. Knese

Reg. 73414

Patent attorney

c/o G Knese

St. Louis, MO · 63130

205-336-2383

Ellen M. Komlos

Reg. 79723

Patent attorney

Bryan Cave Leighton Paisner LLP

St. Louis, MO · 63102

314-259-2354

David A. Koonce

Reg. 72315

Patent attorney

St. Louis, MO · 63101

314-736-2287

Elisabeth A. Koral

Reg. 67022

Patent attorney

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

St. Louis, MO · 63105

314-726-7500

Thomas M Krenning

Reg. 73742

Patent agent

St. Louis, MO · 63131

314-809-9819

Allison N Krepel

Reg. 73649

Patent attorney

Polsinelli, PC

St. Louis, MO · 63105

314-889-8000

Timothy D. Krieger

Reg. 61808

Patent attorney

Foley & Marsfield

St. Louis, MO · 63105

314-925-5700

Donald R Ladwig

Reg. 61777

Patent attorney

Engineering Software Research and Development, Inc.

St. Louis, MO · 63146

314-744-5021 X17

Joseph A Lanahan

Reg. 47732

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63102

314-621-5070

Lawrence Michael Lavin· Jr

Reg. 30768

Patent attorney

Monsanto Company

St. Louis, MO · 63167

314-737-5606

Mary D. Lawlor

Reg. 66313

Patent agent

The Small Patent Law Group LLC

St. Louis, MO · 63105

314-792-8042

James J Leary

Reg. 35237

Patent agent

St. Louis, MO · 63128

314-270-3497

Kisuk Lee

Reg. 66861

Patent attorney

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

St. Louis, MO · 63105

314-446-7670

Lori J Lehman

Reg. 62480

Patent agent

Monsanto

St. Louis, MO · 63167

314-694-8871

Lynn A Lehnert

Reg. 54678

Patent attorney

Goldberg Segalla

St. Louis, MO · 63105

314-446-3359

Linda L Lewis

Reg. 31212

Patent attorney

CreatiVenture Law

St. Louis, MO · 63132

314-989-0458

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.