The background is that Proview had a product called “IPAD” at one point in the past. When Apple was readying for the iPad launch they purchased, so they thought, the rights to the name from Proview. There are various arguments that they did so for all territories, at least one argument that they didn’t purchase the one for China. This court case for example is arguing that the Proview company which had the agreement with Apple said that it was selling the Chinese rights. But Proview has won in another Chinese court (a Mainland court, not a Hong Kong one, an entirely different legal system) a ruling that Proview still owns the China rights and can enforce them.