Permanently attaching together sheets, quires or signatures by stitching with filamentary material, e.g. textile threads (discontinuously B42B4/00)

Filing statistics

CPC B42B 2/00 belongs to the parent subclass B42B, which recorded 2,449 patent applications worldwide between 2013 and 2023. Annual filings declined from 266 in 2013 to 109 in 2023 (-59%), peaking at 426 applications in 2018. The most active applicants in class B42 are SICPA HOLDING (1,317 applications), GIESECKE+DEVRIENT CURRENCY TECHNOLOGY (949 applications) and BUNDESDRUCKEREI (881 applications).

Source: EPO PATSTAT, worldwide filings