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DIFF Main Group
C12P 21/00

Preparation of peptides or proteins (single cell protein C12N1/00)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Preparation of peptides or proteins

CPC: Preparation of peptides or proteins (single cell protein C12N1/00)

Full Title

Full titles differ between systems:

IPC:

Preparation of peptides or proteins

CPC:

Preparation of peptides or proteins (single cell protein C12N1/00)

Of 4 combined children, 2 exist in both systems.

1 codes are CPC-only extensions, 1 exist only in IPC.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C12P 21/005 CPC only CPC only
  • C12P 21/02 having a known sequence of two or more amino acids, e.g. glutathione since 1980 IPC+CPC Available in IPC and CPC
  • C12P 21/06 produced by the hydrolysis of a peptide bond, e.g. hydrolysate products (preparing foodstuffs by protein hydrolysis A23J3/00) since 1980 IPC+CPC Available in IPC and CPC
  • C12P 21/08 Monoclonal antibodies since 1990 IPC only IPC only

Top Applicants

Top Applicants (IPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 10,330
  2. HARVARD UNIVERSITY US 7,308
  3. UNIVERSITY OF CALIFORNIA US 6,383
  4. JIANGNAN UNIVERSITY 5,144
  5. MONSANTO TECHNOLOGY US 4,121
  6. PIONEER HI-BRED INTERNATIONAL US 3,630
  7. REGENERON PHARMACEUTICALS US 3,515
  8. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
  9. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
  10. CJ CHEILJEDANG CORPORATION KR 3,361

Top Applicants (CPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. HARVARD UNIVERSITY US 8,321
  2. CHINESE ACADEMY OF SCIENCES 7,486
  3. UNIVERSITY OF CALIFORNIA US 7,320
  4. REGENERON PHARMACEUTICALS US 5,003
  5. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
  6. UNIVERSITY OF PENNSYLVANIA US 4,213
  7. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
  8. JIANGNAN UNIVERSITY 3,961
  9. ROCHE CH 3,792
  10. ILLUMINA US 3,692