Hi everyone, I would like to ask what possible numbering formats there are for European Patents. Can there be a patent number with more than 7 digits? As I currently understand, possible formats are: EP X XXX XXX A1 / A2 / A3 / A4 / A8 / A9 / B1 / B2 / B3 / B8 / B9 / W1 / W2 But can there be a paten...

Hi everyone, I've come across the following: When downloading the .ZIP of a patent from the European Publication Server, the name of the .pdf and .xml of the patent is changed to EPxxxxxxx NW xx. Why is the " NW " added to the name of the patent? Is there a specific reason? When going thro...