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, Thompson Coburn LLP, and The Simon Law Firm, P.C..

Michael R. Sherby

Reg. 65179

Patent agent

ST. Louis, MO · 63105

314-750-8153

David G Siegel

Reg. 65510

Patent agent

St. Louis, MO · 63130

954-415-6635

Anthony G Simon

Reg. 40813

Patent attorney

The Simon Law Firm, P.C.

St. Louis, MO · 63101

314-241-2929

Stacy L. Skornia

Reg. 63217

Patent attorney

Gallop Johnson & Newman, LC

St. Louis, MO · 63105

314-615-6000

Brian T. Slater

Reg. 69706

Patent attorney

Armstrong Teasdale, LLP

St. Louis, MO · 63105

314-621-5070

Andrew J Smith

Reg. 68066

Patent attorney

St. Louis, MO · 63122

573-999-0319

Cormac M. Smith

Reg. 65180

Patent attorney

Washington University in St. Louis School of Law

St. Louis, MO · 63130

314-935-9269

Benjamin J. Sodey

Reg. 62258

Patent attorney

POLSINELLI PC

St. Louis, MO · 63105

314-889-7017

Evan R. Sotiriou

Reg. 46247

Patent attorney

Tucker Ellis LLP

St. Louis, MO · 63102

314-571-4985

Michael J Spenner

Reg. 70275

Patent attorney

St. Louis, MO · 63017

314-406-8450

Kevin C Staed

Reg. 77170

Patent attorney

Carmody MacDonald P.C.

St. Louis, MO · 63105

314-854-8723

Mark Edward Stallion

Reg. 46132

Patent attorney

Greensfelder, Hemker & Gale, P.C.

St. Louis, MO · 63102

314-345-4735

Gale W Starkey

Reg. 66972

Patent agent

Bayer

St. Louis, MO · 63017

314-602-9744

Nancy A Swiezynski

Reg. 65936

Patent attorney

Senniger Powers, LLP

St. Louis, MO · 63102

314-345-7030

Joseph E. Tabor

Reg. 72469

Patent attorney

St. Louis, MO · 63129

314-413-4700

James Arthur Telthorst

Reg. 50943

Patent attorney

Wiedner & McAuliffe, Ltd.

St. Louis, MO · 63105

314-721-3400

Michael Tersillo

Reg. 42180

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-552-6608

Bradley H Thomas

Reg. 73169

Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6563

Mark A Thomas

Reg. 63394

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-580-1962

Michael J Thomas

Reg. 39857

Patent attorney

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

St. Louis, MO · 63105

314-726-7500

Paul D Tietz

Reg. 66669

Patent attorney

Bayer U.S.

St. Louis, MO · 63017

314-943-3309

Donald W Tuegel

Reg. 45424

Patent attorney

The Boeing Company

St. Louis, MO · 63166-0516

314-232-0232

Michael J Vander Molen

Reg. 57274

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105-1847

314-259-4734

Marc W Vander Tuig

Reg. 57964

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-259-4798

Catherine E. VanEngelen

Reg. 71086

Patent agent

Washington University

St. Louis, MO · 63110

314-747-0927

Joseph E Walsh· Jr

Reg. 36959

Patent attorney

Harness, Dickey & Pierce, PLC

St. Louis, MO · 63105

314-726-7510

Agnelo J. Wang

Reg. 61988

Patent attorney

St. Louis, MO · 63141

314-432-5656

Qing Wang

Reg. 56485

Patent agent

Gates Ag One

St. Louis, MO · 63108

314-548-3189

Andrew C Wegman

Reg. 54530

Patent attorney

Senniger Powers LLP

St. Louis, MO · 63102

314-345-7000

Alex D. Weidner

Reg. 76397

Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6333

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.