Subject matter not provided for in other groups of this subclass

Filing statistics

CPC H03D 99/00 belongs to the parent subclass H03D, which recorded 4,553 patent applications worldwide between 2013 and 2023. Annual filings declined from 430 in 2013 to 348 in 2023 (-19%), peaking at 484 applications in 2017. The most active applicants in class H03 are SAMSUNG ELECTRONICS COMPANY (7,293 applications), QUALCOMM (7,085 applications) and MURATA MANUFACTURING COMPANY (5,982 applications).

Source: EPO PATSTAT, worldwide filings