Originally Posted by PretjeNL

I thought the same, it has suddenly stopped, but then i realized it was weekend.
Yesterday evening (monday) i got the first one again, and now tuesday morning again 2.
So it appears to me that it's a company that got the weekend off.....

Here the whole list of the senders, from some i got more then one:
IPSentinelAdvanced
DMCA Enforcer Elite
Copyright Watchdog Pro
IPShieldAdvanced
PiracyDefensePro
DMCA Watch Pro
DMCA Safeguard Elite
Copyright Blocker Elite
Content Plus
Infringement Patrol Pro
Copyright Safeguard
DMCASentinelElite
IP Enforcer
Copyright Shield
Legal Guard
DMCA Enforcer Plus
Content Enforcer

Does someone know how to contact Google about this?