Number formats EN

The following number formats are valid for your search.

Application numbers

• EP applications: a sequence of eight digits (eg 99203729)
• esp@cenet data format (eg EP19990402065 or WO1998US04141)

Publication numbers

• EP (eg EP1023455)
• WO (eg WO0133678)

Dates:

• yyyymmdd

IPC classification codes

• eg G09G5/00
• eg H04L29/06
• eg H04L25/49M3B