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Description

A residual classification for inventions and innovations within the textiles and paper domain that do not fit within the established Classes D01 through D98. This class accommodates emerging technologies, interdisciplinary developments, or specialized applications in textiles and paper manufacturing that predate or fall outside the scope of existing systematic classifications. Patent examiners use this class when the primary technical character of an invention relates to textiles or paper but lacks a clearly defined home in the defined subclasses.

Filing statistics

IPC D99 recorded 5 patent applications worldwide between 2013 and 2023, summed across its 1 subclasses. Annual filings declined from 3 in 2014 to 1 in 2018 (-67%). The most active applicants in class D99 are LYKHOVYD ANDRII LEONIDOVYCH (1 applications), ROOSE, MADELYN (1 applications) and J. ADAMS & ASSOCIATES (1 applications).

Source: EPO PATSTAT, worldwide filings