Subject matter not otherwise provided for in this section

Filing statistics

CPC E99Z 99/00 belongs to the parent subclass E99Z, which recorded 4 patent applications worldwide between 2013 and 2023. Annual filings declined from 2 in 2019 to 1 in 2022 (-50%). The most active applicants in class E99 are Oy F Emet Ab (2 applications), CHINA UNIVERSITY OF MINING AND TECHNOLOGY (1 applications) and CHINA UNIVERSITY OF MINING AND TECHNOLOGY (1 applications).

Source: EPO PATSTAT, worldwide filings