officially International Convention for the Protection of Literary and Artistic Works International agreement adopted in Bern, Switz. , in 1886 to protect copyrights on an international basis. It was modified several times throughout the 20th century. Its signatories constitute the Bern Copyright Union. Each member country grants the authors of other member countries the same rights that its laws grant its own nationals. Protected works include every kind of literary, scientific, and artistic production, regardless of mode of expression, including paintings, sculptures, architectural plans, and musical arrangements. Copyright is now protected for 70 years after the creator's death