it’s even better, the ECJ ruled in the same case that a similar Swedish law is not compatible with European law and this has consequences for all national surveillance laws in EU member countries: The UK and Swedish government argued that the local laws are off-limits for the EU (and the court), but the judges told them otherwise.
Let’s see if the German data retention law (passed last December, will force all ISPs to store data not later than June 2017) survives this.