Johnston, Iowa

Patent attorneys in Johnston

Johnston, Iowa is home to 20 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 Pioneer Hi-Bred International, Inc., Corteva Agriscience, and Corteva Agriscience LLC.

Lila Alyce Tohidast Akrad

Reg. 52550

Patent attorney

ITS, Inc.

Johnston, IA · 50131-1605

515-288-2828 X 4034

Catherine D Brooke

Reg. 44041

Patent agent

Johnston, IA · 50131

515-334-7134

Steven J Callistein

Reg. 43525

Patent attorney

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-2823

Daniel J Cosgrove

Reg. 36770

Patent attorney

Pioneer Hi-Bred Int'l Inc.

Johnston, IA · 50131

515-535-4892

Janice L Deaver

Reg. 52183

Patent agent

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-3599

Sendil K Devadas

Reg. 52425

Patent attorney

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-6608

Lynda M Fitzpatrick

Reg. 60901

Patent attorney

DuPont Pioneer

Johnston, IA · 50131

515-535-0647

Jenna T Fortini

Reg. 76225

Patent agent

Corteva Agriscience

Johnston, IA · 50131-0552

515-270-3200

Louise A Foutch

Reg. 37133

Patent attorney

Johnston, IA · 50131

515-314-9569

Kim M Hagemann

Reg. 52982

Patent agent

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-4878

Krista K. Hill

Reg. 69965

Patent agent

Corteva Agriscience LLC

Johnston, IA · 50131-0552

515-535-8248

Bradley S Kurtz

Reg. 53165

Patent attorney

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-5920

Amanda J Laird

Reg. 68242

Patent attorney

Johnston, IA · 50131

515-291-4822

Robert C Lampe· III

Reg. 51914

Patent attorney

Johnston, IA · 50131

515--53-5-6769

Kathryn K Lappegard

Reg. 46857

Patent agent

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131-0552

515-535-5707

Janae E Lehman Bell

Reg. 55370

Patent attorney

Pioneer Hi- Bred International, Inc.

Johnston, IA · 50131-0552

515-535-7596

Kurt R Van Thomme

Reg. 58320

Patent attorney

Corteva Agriscience LLC

Johnston, IA · 50131-1014

515-535-0039

Guy R Watkins

Reg. 74066

Patent agent

Corteva Agriscience

Johnston, IA · 50131

515-535-6167

Fred R. Wolf

Reg. 69278

Patent agent

Pioneer Hi-Bred International, Inc.

Johnston, IA · 50131

515-535-4480

Gusui Wu

Reg. 53798

Patent agent

DuPont Agriculture & Nutrition - Pioneer

Johnston, IA · 50131

515-270-3163

Common questions

Do patent attorneys in Johnston 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 Johnston tend to track the broader Iowa legal market.

How many USPTO practitioners list a Johnston office?

20 USPTO-registered patent practitioners list a Johnston 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 Johnston practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Johnston-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.