International Patent Classification (IPC) - IT support area - Edition 20080401 - Statistics

IPC-8 Statistics

See detailed definitions of IPC-8 statistics: IPCR_ statistics-specification_V1.05.doc (MS-Word).

See detailed IPC-8 statistics figures: IPCR_ statistics-20080401_V1.05.doc

Summary table:

Section	No. of classes		No. of subclasses		No. of main groups		No. of subgroups		Total no. of groups
	CL	AL	CL	AL	CL	AL	CL	AL	CL	AL
A	16	16	84	84	1'093	1'104	1'343	7'327	2'436	8'431
B	37	37	165	167	1'778	1'974	2'361	14'570	4'139	16'544
C	21	21	91	93	1'304	1'326	1'124	13'121	2'428	14'447
D	9	9	39	39	348	349	179	2'611	527	2'960
E	8	8	31	31	317	318	454	2'900	771	3'218
F	18	18	95	97	1'036	1'037	858	7'297	1'894	8'334
G	14	14	79	79	679	692	1'862	6'789	2'541	7'481
H	6	6	49	49	511	516	1'866	6'845	2'377	7'361
Total	129	129	633	639	7'066	7'316	10'047	61'460	17'113	68'776

Download detailed IPC-8 statistics in Excel format (ZIP file).