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DIFF Class Not Allocatable
A61

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Description

A61 encompasses inventions and technologies in medical and veterinary diagnosis, treatment, surgery, and hygiene. This broad class includes medical devices, surgical instruments, therapeutic methods, prosthetics, dental equipment, and hygiene products for both human and animal healthcare. Related inventions in pharmaceutical formulations (A61K), physical therapy and rehabilitation (A61H), and medical diagnostic apparatus (A61B) are classified within this section, while chemical compositions themselves are typically handled in section C.

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

9 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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)

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