CPC Subgroup
A61K 35/37 Digestive system
Full Title
Medicinal preparations containing materials or reaction products thereof with undetermined constitution > Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells (vaccines or medicinal preparations containing antigens or antibodies A61K39/00) > Digestive system
4 direct subcodes
Child Classifications
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- A61K 35/38 Stomach; Intestine; Goblet cells; Oral mucosa; Saliva
- A61K 35/39 Pancreas; Islets of Langerhans (Langerhans cells of epidermis A61K35/36)
- A61K 35/407 Liver; Hepatocytes
- A61K 35/413 Gall bladder; Bile
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