Methods or devices for eye surgery

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

CPC:

Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand (caps with means for protecting the eyes A42B1/0181; visors for helmets A42B3/22; eye baths A61H35/02; sunglasses or goggles having the same features as spectacles G02C) > Methods or devices for eye surgery

CPC subdivides this area 5x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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A61F 9/00709 CPC only CPC only
A61F 9/00718 CPC only CPC only
A61F 9/00727 CPC only CPC only
A61F 9/00736 +3 CPC CPC only CPC only
A61F 9/00772 CPC only CPC only
A61F 9/00781 CPC only CPC only
A61F 9/0079 CPC only CPC only
A61F 9/008 using laser since 2000 +11 CPC −2 IPC IPC+CPC Available in IPC and CPC
A61F 9/013 for compensation of ocular refraction (A61F9/008 takes precedence) since 1995 +2 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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