Here's another article in connection with the German Supreme Court ruling that I mentioned yesterday. It indicates that the decision is not a landmark ruling. Rather it's a continuation of a long line of thinking by the German courts. According to this author it's the recognition of the solution of a technical problem which is solved by a programmed computer that leads to a potential patent.
This is in line with the present European approach.
IAM Magazine - IAM Blog - German Supreme Court software patent decision "not a landmark ruling", says expert