Here is a link to all the senator's contact information. I am going to send out a few letters this week when I get a chance.
https://contactsenators.com/arkansas
Tom Cotton, Chris Van Hollan, Chuck Schumer (barf), and Marco Rubio are the key contacts if you only have limited time.
I am not sure if it is too late for us but the current political climate as it relates to patent protection is encouraging.