Complex sentence: The court said that the above idea needs to be respected as if it is not, then the purpose of granting exclusive licenses would be defeated, as would the idea of the national division of copyright which has been provided for in the International Copyright Convention.
Split into simpler sentences: The court said that the above idea needs to be respected as if it is not, then the purpose of granting exclusive licenses would be defeated. So would the idea of the national division of copyright which has been provided for in the International Copyright Convention.