“24. It is also relevant to take into account whether the claimant has won a substantial prize which it could not have achieved without coming to court, and whether the defendant has deprived the claimant of the substantial prize that it sought in the litigation. TQ Delta's position is that it is the overall winner. It has established that one of its patents in a large portfolio is valid and infringed in circumstances where, until then, that was denied. As well as financial relief, it has obtained injunctive relief sufficiently important to merit, apparently, a visit to the Court of Appeal on behalf of ZyXEL.”