Abstract
The article systematizes matters concerning testamentary and statutory inheritance of proprietary copyrights by the State Treasury. Particular attention has been paid to the regulation of Art. 42 of the Copyright and Neighbouring Rights Act. The article also discusses exercise of copyrights inherited by the State Treasury. De lege ferenda proposals include introduction of a public register of succession cases in which the State Treasury is the beneficiary, entrusting the relevant creative associations with collective management of proprietary copyrights inherited by the State Treasury. It has been considered whether acquisition of proprietary copyrights by the State Treasury should justify shortening of their protection period.