The UK is not blessed with the "sue everyone at the drop of a hat" culture that the US enjoys
. Primarily because, in this country, the loser of a court case generally has to pay all the legal costs for both sides. That tends to prevent frivolous lawsuits. If, however, I had genuine reason to believe that, let's say, someone had been illegally selling my software, then it would not seem unreasonable for a court to be able to order an examination of a computer to determine whether or not my claim was true.