You can read the full ruling from Google here, but finally a triumph of sense over solicitors.
For most, the above page is a dull footnote in the ocean of Google blog posts, but for those using Adwords, this is exactly what we were expecting (and hoping) for.
What Was the Problem
A few years ago, brand owners threatened Google by arguing that they were using their trademarks unlawfully by allowing businesses to use their brands in keywords and adverts.