Links to relevant legislation

Most of the relevant IP legislation is available online, at WIPO's, WTO's or EPO's websites.
Here are some of them:

Wipo Administered Treaties http://www.wipo.int/treaties/en/
TRIPS http://www.wto.org/english/tratop_e/TRIPS_e/TRIPS_e.htm
Patent Cooperation Treaty http://www.wipo.int/pct/en/texts/index.htm
European Patent Convention http://www.epo.org/patents/law/legal-texts/epc.html