Decisions of the Federal Supreme Court (BGH)
http://juris.bundesgerichtshof.de/cgi-bin/rechtsprechung/list.py?Gericht=bgh&Art=en&Sort=3
Case Law of the boards of appeal of the EPO
http://www.epo.org/law-practice/case-law-appeals.html
Jurisdiction of the European Court of Jurisdiction (EuGH)
http://curia.europa.eu/jcms/jcms/j_6/