Sometimes when you log in at EFS-Web there will be a sort of “announcement of the day” on the main EFS-Web page. Recently there was an announcement that said that US patent applicants need to be sure to file Form PTO/SB/69 to avoid getting in trouble with the European Patent Office. I had never heard of Form PTO/SB/69 and had no idea that without it there was some risk of getting in trouble with the EPO. So I looked into the matter and spoke with people at EPO and at USPTO about this.
Maybe you already know all about Form PTO/SB/69 in which case no need to read further. Otherwise I invite you to read on.
Continue reading “Filing in EPO with a priority claim to a US application? If so, read this!”