You should be able to craft a udev rule to block an input device. I see someone did something similar here: Disabling device with udev - #2 by jawse
But you need to craft the rule so it specifically matches your device. I’m not sure what attributes in the output you provided would be unique and consistent.
There should be ID_VENDOR_ID and ID_MODEL_ID attributes as there were from my sample output, but yours is missing that. Maybe you can just match on ENV{ID_BUS}=="i8042". I don’t know if that would match too much or not.
The event number (event3 in your example) is likely to change between reboots, so you don’t want to key on (just) that.