Looks like that instead of defaulting on copyrights, the transitional period was able to enforce retroactive copyrighting. http://en.wikipedia.org/wiki/Copyrig

Looks like that instead of defaulting on copyrights, the transitional period was able to enforce retroactive copyrighting. http://en.wikipedia.org/wiki/Copyright_law_of_the_Soviet_Union#Transition_to_post-Soviet_legislation_in_Russia http://en.wikipedia.org/wiki/Copyright_law_of_the_Soviet_Uni... Fascinating subject, though!