Reproductive organs

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

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 > Reproductive organs

CPC:

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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A61K 35/50 Placenta; Placental stem cells; Amniotic fluid; Amnion; Amniotic stem cells since 1974 IPC+CPC Available in IPC and CPC
A61K 35/51 Umbilical cord; Umbilical cord blood; Umbilical stem cells since 2015 IPC+CPC Available in IPC and CPC
A61K 35/52 Sperm; Prostate; Seminal fluid; Leydig cells of testes since 1974 IPC+CPC Available in IPC and CPC
A61K 35/54 Ovaries; Ova; Ovules; Embryos; Foetal cells; Germ cells since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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