50 years would still be far too long. We shouldn't forget that we are talking about our cultural heritage. Which we are currently damaging by such extensive a

50 years would still be far too long. We shouldn't forget that we are talking about our cultural heritage. Which we are currently damaging by such extensive and draconian copyright law. I'd say 20 years would be good. That way the owner can in most cases still utilise the full commercial potential. But it still enters our cultural heritage fast enough to have value attached to it.