It seems like the license was assignable at no cost to the parent company, they just didn't actually do that because they were in a rush to sell. RBS was argui

It seems like the license was assignable at no cost to the parent company, they just didn't actually do that because they were in a rush to sell. RBS was arguing that no, they did assign it, because of reasons X, Y, and Z so they shouldn't have to pay anything.