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Hazelwood, Missouri

Patent attorneys in Hazelwood

Hazelwood, Missouri is home to 7 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 Mallinckrodt Pharmaceuticals, The Boeing Company, and Mallinckrodt.

Matthew L Balkenbusch

Reg. 67308
Patent agent

The Boeing Company

Hazelwood, MO · 63042

314-234-6373

Kenneth D Goetz

Reg. 32696
Patent attorney

Mallinckrodt

Hazelwood, MO · 63042

314-654-3778

Anthony R Kinney

Reg. 44834
Patent attorney

Mallinckrodt Pharmaceuticals

Hazelwood, MO · 63042

314-654-3846

John A Lepore

Reg. 63340
Patent attorney

Boeing

Hazelwood, MO · 63042-2513

314-258-0732

Marie L Riley

Reg. 71961
Patent attorney

bioMerieux, Inc.

Hazelwood, MO · 63042

314-731-8500

Craig D Siman

Reg. 60137
Patent attorney

Mallinckrodt Pharmaceuticals

Hazelwood, MO · 63042

314-654-3960

John A. Yannuzzi

Reg. 60779
Patent attorney

Cortrol Process Systems, Inc.

Hazelwood, MO · 63042

314-731-2006

Common questions

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