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IPC Subgroup
A61K 35/74

Bacteria

Introduced: July 1974

Last revised: January 2015

Full Title

Medicinal preparations containing materials or reaction products thereof with undetermined constitution > Microorganisms or materials therefrom > Bacteria

Classification Context

Section:
HUMAN NECESSITIES
Class:
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

2 direct subcodes

Child Classifications

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  • A61K 35/748 Cyanobacteria, i.e. blue-green bacteria or blue-green algae, e.g. spirulina

Top Applicants

Top 10 applicants by patent filingsfor 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