Contact information & free consultation

Call Greenfield Patents at 815-991-9420 or email to set up a free consultation.
We will work with you to assess your needs.


Greenfield Patents is based in Northern Illinois but serves clients across the US.

1349 Foxpointe Dr.
Sycamore, IL 60178

Steven Greenfield

Work: 815-991-9420
Cell: 920-639-3493