I already heard back from the EFF and they agree that it's "silly trademark claim". They will now reach out to their contact at LinkedIn and ask them to withdra

I already heard back from the EFF and they agree that it's "silly trademark claim". They will now reach out to their contact at LinkedIn and ask them to withdraw. Apparently, IP enforcement firms like Tracer send out a lot of these claims, even if LinkedIn would not stand behind it and litigate.