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Search for IPC and CPC classification codes or keywords
DIFF Main Group
A23K 50/00

Feeding-stuffs specially adapted for particular animals

Introduced: January 2016

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2016.

Child Classifications

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  • A23K 50/20 for horses since 2016 IPC+CPC Available in IPC and CPC
  • A23K 50/30 for swines since 2016 IPC+CPC Available in IPC and CPC
  • A23K 50/50 for rodents since 2016 IPC+CPC Available in IPC and CPC
  • A23K 50/60 for weanlings since 2016 IPC+CPC Available in IPC and CPC
  • A23K 50/80 for aquatic animals, e.g. fish, crustaceans or molluscs since 2016 IPC+CPC Available in IPC and CPC
  • A23K 50/90 for insects, e.g. bees or silkworms since 2016 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A23,2013–2023, worldwide · Source: EPO PATSTAT

  1. KVASENKOV OLEG IVANOVICH RU 6,158
  2. NESTLE CH 4,562
  3. NESTEC CH 3,354
  4. JIANGNAN UNIVERSITY 2,699
  5. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,320
  6. SUNTORY HOLDINGS JP 1,926
  7. CHINESE ACADEMY OF SCIENCES 1,804
  8. CJ CHEILJEDANG CORPORATION KR 1,653
  9. CARGILL US 1,588
  10. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,314

Top Applicants (CPC)

Class A23,2013–2023, worldwide · Source: EPO PATSTAT

  1. NESTLE CH 5,075
  2. NESTEC CH 3,916
  3. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,558
  4. JIANGNAN UNIVERSITY 2,196
  5. SUNTORY HOLDINGS JP 2,133
  6. CJ CHEILJEDANG CORPORATION KR 1,842
  7. CARGILL US 1,708
  8. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,341
  9. CHINESE ACADEMY OF SCIENCES 1,279
  10. MARS US 1,161