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DIFF Subgroup
A61K 39/02

Bacterial antigens

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Medicinal preparations containing antigens or antibodies > Bacterial antigens

CPC:

Medicinal preparations containing antigens or antibodies (materials for immunoassay G01N33/53) > Bacterial antigens

Of 27 combined children, 11 exist in both systems.

12 codes are CPC-only extensions, 4 exist only in IPC.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • A61K 2039/10 2nd only CPC only CPC only
  • A61K 2039/106 2nd only CPC only CPC only
  • A61K 39/0208 CPC only CPC only
  • A61K 39/0216 CPC only CPC only
  • A61K 39/0225 CPC only CPC only
  • A61K 39/0233 CPC only CPC only
  • A61K 39/0241 CPC only CPC only
  • A61K 39/04 Mycobacterium, e.g. Mycobacterium tuberculosis since 1974 IPC+CPC Available in IPC and CPC
  • A61K 39/05 , Corynebacterium; Propionibacterium since 1980 IPC+CPC Available in IPC and CPC
  • A61K 39/07 Bacillus since 1980 IPC+CPC Available in IPC and CPC
  • A61K 39/08 Clostridium, e.g. Clostridium tetani since 1974 IPC+CPC Available in IPC and CPC
  • A61K 39/085 Staphylococcus since 1980 IPC+CPC Available in IPC and CPC
  • A61K 39/095 Neisseria since 1980 IPC+CPC Available in IPC and CPC
  • A61K 39/098 CPC only CPC only
  • A61K 39/099 CPC only CPC only
  • A61K 39/1 Brucella; Bordetella, e.g. Bordetella pertussis since 1974 IPC only IPC only
  • A61K 39/102 , Pasteurella; Haemophilus since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513