Experimental use is a keystone of research and innovation for some and obstacle in using a patent for others. In a genuine international field such as patent law, monitoring recent developments is best done in a comparative way. Particularly, the decision Merck v. Integra of the US Supreme Court and the new EU law, give reason to explore this field in more detail.
Accepting Exceptions?: A Comparative Approach to Experimental Use in U.S. and German Patent Law,
10 Marq. Intellectual Property L. Rev. 81
Available at: http://scholarship.law.marquette.edu/iplr/vol10/iss1/2