I guess this means the right to those block-style UK toys expired, because Lego just posted this on their Cuuso site:
Resolved Past Licensing Conflicts
We now welcome projects based on the following licenses that used to have conflicts:
Dr. Who – February 2014
Presuming they just made a nerd foul and don’t specifically mean only the Peter Cushing movies, this is cautious good news, but isn’t indicative that you’ll see any mass-produced sets. Just that, like Ghostbusters and Back to the Future, it has a chance if a good enough fan proposal is made. So steady those wibbly wobbly hands, and get building!