IP rights is not a problem that needs solving. In fact, the existing legal system has ways of punishing copyright violations whereas the Blockchain does not.

Supply chain validation is also an example of the block chain "in action". But the people that are entering the data on the Blockchain are the same people that were typing it in an email yesterday.

I used to be a fan of the technology as well but so far it hasn't show itself to be useful. A solution in search of a problem.