No benefit of hindsight: BA rejects ex tunc assessment of an intervention in opposition (T 0439/17)
http://ipkitten.blogspot.com/2019/07/no-benefit-of-hindsight-ba-rejects-ex.html In T 0439/17 (published online 1 July 2019), the Board of Appeal of the EPO considered the circumstances under which a third party may intervene in an opposition. In general, a third party may intervene in opposition proceedings, after the opposition period has expired, if infringement proceedings relating to the patent have been... Continue reading