Spotting the difference between the priority document and the claims (T 1303/18)
http://ipkitten.blogspot.com/2023/02/spotting-difference-between-priority.html Much of patent prosecution and opposition at the EPO is an advanced game of spot the difference. Subtle differences between the application as filed and the claimed subject matter can be fatal to a granted European patent. A recent decision from the Board of Appeal (T 1303/18) confirmed the... Continue reading