For the most part, IP law is still national law. although international treaties affect the content of these laws. Rumsey & Hoffman, International and Foreign Legal Research: A Coursebook (2008).
WIPO Lex includes more than 10,000 intellectual property laws and regulations from nearly 200 countries. It also includes more than 250 IP-related treaties.
If you cannot find a national copyright law via WIPO Lex, you might try searching UNESCO's Collection of National Copyright Laws.
