What if the copyright period, instead of concluding at creator’s death plus 70 years, concluded after a period of 20 years since initial performance? Surely, there’s an imperative to create more content if it has only a “short” copyright period? And harmonizing patent and copyright law has got to have benefits.
Who writes software, or produces a movie, or writes a book anticipating income from their work more than 20 years hence? No one, that’s who. So, I’m going to go ahead and change the copyright duration.
I wonder how far in advance Hollywood business plans look? Who would have known that Charlie Chaplin’s films would still be being restored and marketed on the latest home formats today, 80+ years after being made?