IPC Main Group
A61K 9/00 Medicinal preparations characterised by special physical form
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
Filing statistics
IPC A61K 9/00 belongs to the parent subclass A61K, which recorded 1,792,627 patent applications worldwide between 2013 and 2023. Annual filings declined from 147,606 in 2013 to 132,650 in 2023 (-10%), peaking at 177,518 applications in 2016. The most active applicants in class A61 are PHILIPS ELECTRONICS (18,523 applications), NOVARTIS (14,253 applications) and COVIDIEN (13,953 applications).
Source: EPO PATSTAT, worldwide filings
10 direct subcodes
Child Classifications
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- A61K 9/02 Suppositories; Bougies; Bases for suppositories or bougies
- A61K 9/06 Ointments; Bases therefor
- A61K 9/08 Solutions
- A61K 9/1 Dispersions; Emulsions
- A61K 9/14 Particulate form, e.g. powders
- A61K 9/2 Pills, lozenges or tablets
- A61K 9/48 Preparations in capsules, e.g. of gelatin, of chocolate
- A61K 9/68 chewing gum type
- A61K 9/7 Web, sheet or filament bases
- A61K 9/72 for smoking or inhaling
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594