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 Senniger Powers LLP.

Erica L. Agnew

Reg. 80407

Patent agent

St. Louis, MO · 63132

314-607-7106

Frank R Agovino

Reg. 27416

Patent attorney

Senniger Powers LLP

St. Louis, MO · 63102

314-345-7000

Derick E Allen

Reg. 43468

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-259-4782

Lucinda Anne Althauser

Reg. 59101

Patent attorney

Bryan Cave, LLP

St. Louis, MO · 63102

314-259-2461

Ralph E Altmann

Reg. 73783

Patent attorney

Emerson Electric Co.

St. Louis, MO · 63136

314-553-3454

Holly M Amjad

Reg. 41582

Patent attorney

Solae, LLC

St. Louis, MO · 63110

314-659-3088

Cecilia M Andrews

Reg. 57970

Patent attorney

Gillespie & Powers

St. Louis, MO · 63144

314-778-8472

Juan F Arias

Reg. 66378

Patent attorney

Wiedner & McAuliffe, Ltd.

St. Louis, MO · 63105

314-721-3400

Michael Edwin Montgomery Armstrong

Reg. 77294

Patent attorney

Lewis Rice LLC

St. Louis, MO · 63101

314-444-7724

Robyn H Ast-Gmoser

Reg. 60029

Patent attorney

Polsinelli

St. Louis, MO · 63102

314-622-6614

Denis A Backer

Reg. 58988

Patent attorney

St. Louis, MO · 63129

Drew C Baebler

Reg. 31230

Patent attorney

Bauer & Baebler, P.C.

St. Louis, MO · 63104

314-241-7700

Adam L Bagwell

Reg. 67043

Patent attorney

The Law Office of Adam L. Bagwell, LLC

St. Louis, MO · 63108

314-266-8356

Timothy K Ball

Reg. 42287

Patent attorney

Bayer CropScience LP

St. Louis, MO · 63167

314-223-9268

Steven C. Balsarotti

Reg. 65601

Patent attorney

St. Louis, MO · 63126

314-803-0398

Kyle L Barringer

Reg. 73950

Patent attorney

Husch Blackwell LLP

St. Louis, MO · 63105

314-480-1500

Mark D Becker

Reg. 39105

Patent attorney

Nidec Motor Corporation

St. Louis, MO · 63136

314-595-8028

Raoqiong Bennett

Reg. 70519

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-552-6608

Michael Patrick Benson

Reg. 74099

Patent agent

St. Louis, MO · 63130

815-514-4376

Nicholas P Beulick

Reg. 78073

Patent attorney

St. Louis, MO · 63127

314-401-3390

Kumar R Bhushan

Reg. 69405

Patent agent

St. Louis, MO · 63146

617-584-7525

Thaddeus J Blenke

Reg. 72710

Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6033

Zachary J. Block

Reg. 71896

Patent attorney

Polsinelli PC

St. Louis, MO · 63105

314-889-8000

George H Blosser

Reg. 33650

Patent attorney

Polster, Lieder, Woodruff & Lucchesi

St. Louis, MO · 63131

314-238-2400

Anthony F Blum

Reg. 64703

Patent attorney

Thompson Coburn LLP

St. Louis, MO · 63101

314-552-6030

Jeannie M Boettler

Reg. 55822

Patent attorney

Stinson Leonard Street LLP

St. Louis, MO · 63105

314-863-0800

Daniel D. Bracciano

Reg. 76022

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-342-8022

Anne I Breikss

Reg. 55023

Patent agent

MECS, INC.

St. Louis, MO · 63141

302-688-7450

George G. Brell

Reg. 74531

Patent attorney

Bryan Cave LLP

St. Louis, MO · 63102-2750

314-259-2432

Patrick E Brennan

Reg. 56511

Patent attorney

Armstrong Teasdale LLP

St. Louis, MO · 63105

314-621-5070

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.