You can turn of IP logs in the Protonmail webapp. I do that as a small precaution, but if the authorities want your IP, they will get it, and in the worst case

You can turn of IP logs in the Protonmail webapp. I do that as a small precaution, but if the authorities want your IP, they will get it, and in the worst case compel Proton to deploy a compromised webapp frontend where emails can be seen in the clear. But you'd have to be a really juicy target for that to happen, and most people aren't juicy targets.