CPC Subgroup
A61Q 9/04 Depilatories
Full Title
Preparations for removing hair or for aiding hair removal > Depilatories
Filing statistics
CPC A61Q 9/04 belongs to the parent subclass A61Q, which recorded 216,925 patent applications worldwide between 2013 and 2023. Annual filings grew from 13,898 in 2013 to 15,729 in 2023 (+13%), peaking at 24,588 applications in 2017. The most active applicants in class A61 are PHILIPS ELECTRONICS (20,621 applications), NOVARTIS (15,792 applications) and ROCHE (14,303 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513