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Scheme
Definition
CPC-to-IPC
Compilation of Changes
Recent Changes List
CPC to IPC Concordance for Subclass
B
23Q
Printable Version [PDF]
Version:
2026.08
CPC Group
IPC Group
CPC Group
IPC Group
B
23Q
1/00
B
23
Q
1/00
open_in_new
B
23Q
1/0009
B
23
Q
1/00
open_in_new
B
23Q
1/0018
B
23
Q
1/00
open_in_new
B
23Q
1/0027
B
23
Q
1/00
open_in_new
B
23Q
1/0036
B
23
Q
1/00
open_in_new
B
23Q
1/0045
B
23
Q
1/00
open_in_new
B
23Q
1/0054
B
23
Q
1/00
open_in_new
B
23Q
1/0063
B
23
Q
1/00
open_in_new
B
23Q
1/0072
B
23
Q
1/00
open_in_new
B
23Q
1/0081
B
23
Q
1/00
open_in_new
B
23Q
1/009
B
23
Q
1/00
open_in_new
B
23Q
1/01
B
23
Q
1/01
open_in_new
B
23Q
1/012
B
23
Q
1/01
open_in_new
B
23Q
1/015
B
23
Q
1/01
open_in_new
B
23Q
1/017
B
23
Q
1/01
open_in_new
B
23Q
1/03
B
23
Q
1/03
open_in_new
B
23Q
1/032
B
23
Q
1/03
open_in_new
B
23Q
1/035
B
23
Q
1/03
open_in_new
B
23Q
1/037
B
23
Q
1/03
open_in_new
B
23Q
1/25
B
23
Q
1/25
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B
23Q
1/26
B
23
Q
1/26
open_in_new
B
23Q
1/262
B
23
Q
1/26
open_in_new
B
23Q
1/265
B
23
Q
1/26
open_in_new
B
23Q
1/267
B
23
Q
1/26
open_in_new
B
23Q
1/28
B
23
Q
1/28
open_in_new
B
23Q
1/282
B
23
Q
1/28
open_in_new
B
23Q
1/285
B
23
Q
1/28
open_in_new
B
23Q
1/287
B
23
Q
1/28
open_in_new
B
23Q
1/30
B
23
Q
1/30
open_in_new
B
23Q
1/32
B
23
Q
1/32
open_in_new
B
23Q
1/34
B
23
Q
1/34
open_in_new
B
23Q
1/36
B
23
Q
1/36
open_in_new
B
23Q
1/38
B
23
Q
1/38
open_in_new
B
23Q
1/385
B
23
Q
1/38
open_in_new
B
23Q
1/40
B
23
Q
1/40
open_in_new
B
23Q
1/42
B
23
Q
1/42
open_in_new
B
23Q
1/44
B
23
Q
1/44
open_in_new
B
23Q
1/445
B
23
Q
1/44
open_in_new
B
23Q
1/46
B
23
Q
1/46
open_in_new
B
23Q
1/48
B
23
Q
1/48
open_in_new
B
23Q
1/4804
B
23
Q
1/48
open_in_new
B
23Q
1/4809
B
23
Q
1/48
open_in_new
B
23Q
1/4814
B
23
Q
1/48
open_in_new
B
23Q
1/4819
B
23
Q
1/48
open_in_new
B
23Q
1/4823
B
23
Q
1/48
open_in_new
B
23Q
1/4828
B
23
Q
1/48
open_in_new
B
23Q
1/4833
B
23
Q
1/48
open_in_new
B
23Q
1/4838
B
23
Q
1/48
open_in_new
B
23Q
1/4842
B
23
Q
1/48
open_in_new
B
23Q
1/4847
B
23
Q
1/48
open_in_new
B
23Q
1/4852
B
23
Q
1/48
open_in_new
B
23Q
1/4857
B
23
Q
1/48
open_in_new
B
23Q
1/4861
B
23
Q
1/48
open_in_new
B
23Q
1/4866
B
23
Q
1/48
open_in_new
B
23Q
1/4871
B
23
Q
1/48
open_in_new
B
23Q
1/4876
B
23
Q
1/48
open_in_new
B
23Q
1/488
B
23
Q
1/48
open_in_new
B
23Q
1/4885
B
23
Q
1/48
open_in_new
B
23Q
1/489
B
23
Q
1/48
open_in_new
B
23Q
1/4895
B
23
Q
1/48
open_in_new
B
23Q
1/50
B
23
Q
1/50
open_in_new
B
23Q
1/52
B
23
Q
1/52
open_in_new
B
23Q
1/522
B
23
Q
1/52
open_in_new
B
23Q
1/525
B
23
Q
1/52
open_in_new
B
23Q
1/527
B
23
Q
1/52
open_in_new
B
23Q
1/54
B
23
Q
1/54
open_in_new
B
23Q
1/5406
B
23
Q
1/54
open_in_new
B
23Q
1/5412
B
23
Q
1/54
open_in_new
B
23Q
1/5418
B
23
Q
1/54
open_in_new
B
23Q
1/5425
B
23
Q
1/54
open_in_new
B
23Q
1/5431
B
23
Q
1/54
open_in_new
B
23Q
1/5437
B
23
Q
1/54
open_in_new
B
23Q
1/5443
B
23
Q
1/54
open_in_new
B
23Q
1/545
B
23
Q
1/54
open_in_new
B
23Q
1/5456
B
23
Q
1/54
open_in_new
B
23Q
1/5462
B
23
Q
1/54
open_in_new
B
23Q
1/5468
B
23
Q
1/54
open_in_new
B
23Q
1/5475
B
23
Q
1/54
open_in_new
B
23Q
1/5481
B
23
Q
1/54
open_in_new
B
23Q
1/5487
B
23
Q
1/54
open_in_new
B
23Q
1/5493
B
23
Q
1/54
open_in_new
B
23Q
1/56
B
23
Q
1/56
open_in_new
B
23Q
1/58
B
23
Q
1/58
open_in_new
B
23Q
1/585
B
23
Q
1/58
open_in_new
B
23Q
1/60
B
23
Q
1/60
open_in_new
B
23Q
1/601
B
23
Q
1/60
open_in_new
B
23Q
1/603
B
23
Q
1/60
open_in_new
B
23Q
1/605
B
23
Q
1/60
open_in_new
B
23Q
1/606
B
23
Q
1/60
open_in_new
B
23Q
1/608
B
23
Q
1/60
open_in_new
B
23Q
1/62
B
23
Q
1/62
open_in_new
B
23Q
1/621
B
23
Q
1/62
open_in_new
B
23Q
1/623
B
23
Q
1/62
open_in_new
B
23Q
1/625
B
23
Q
1/62
open_in_new
B
23Q
1/626
B
23
Q
1/62
open_in_new
B
23Q
1/628
B
23
Q
1/62
open_in_new
B
23Q
1/64
B
23
Q
1/64
open_in_new
B
23Q
1/66
B
23
Q
1/66
open_in_new
B
23Q
1/68
B
23
Q
1/68
open_in_new
B
23Q
1/70
B
23
Q
1/70
open_in_new
B
23Q
1/703
B
23
Q
1/70
open_in_new
B
23Q
1/706
B
23
Q
1/70
open_in_new
B
23Q
1/72
B
23
Q
1/72
open_in_new
B
23Q
1/74
B
23
Q
1/74
open_in_new
B
23Q
1/76
B
23
Q
1/76
open_in_new
B
23Q
1/763
B
23
Q
1/76
open_in_new
B
23Q
1/766
B
23
Q
1/76
open_in_new
B
23Q
3/00
B
23
Q
3/00
open_in_new
B
23Q
3/002
B
23
Q
3/00
open_in_new
B
23Q
3/005
B
23
Q
3/00
open_in_new
B
23Q
3/007
B
23
Q
3/00
open_in_new
B
23Q
3/02
B
23
Q
3/02
open_in_new
B
23Q
3/04
B
23
Q
3/04
open_in_new
B
23Q
3/06
B
23
Q
3/06
open_in_new
B
23Q
3/061
B
23
Q
3/06
open_in_new
B
23Q
3/062
B
23
Q
3/06
open_in_new
B
23Q
3/063
B
23
Q
3/06
open_in_new
B
23Q
3/064
B
23
Q
3/06
open_in_new
B
23Q
3/065
B
23
Q
3/06
open_in_new
B
23Q
3/066
B
23
Q
3/06
open_in_new
B
23Q
3/067
B
23
Q
3/06
open_in_new
B
23Q
3/068
B
23
Q
3/06
open_in_new
B
23Q
3/069
B
23
Q
3/06
open_in_new
B
23Q
3/08
B
23
Q
3/08
open_in_new
B
23Q
3/082
B
23
Q
3/08
open_in_new
B
23Q
3/084
B
23
Q
3/08
open_in_new
B
23Q
3/086
B
23
Q
3/08
open_in_new
B
23Q
3/088
B
23
Q
3/08
open_in_new
B
23Q
3/10
B
23
Q
3/10
open_in_new
B
23Q
3/101
B
23
Q
3/10
open_in_new
B
23Q
3/102
B
23
Q
3/10
open_in_new
B
23Q
3/103
B
23
Q
3/10
open_in_new
B
23Q
3/104
B
23
Q
3/10
open_in_new
B
23Q
3/105
B
23
Q
3/10
open_in_new
B
23Q
3/106
B
23
Q
3/10
open_in_new
B
23Q
3/107
B
23
Q
3/10
open_in_new
B
23Q
3/108
B
23
Q
3/10
open_in_new
B
23Q
3/12
B
23
Q
3/12
open_in_new
B
23Q
3/14
B
23
Q
3/14
open_in_new
B
23Q
3/15
B
23
Q
3/15
open_in_new
B
23Q
3/152
B
23
Q
3/152
open_in_new
B
23Q
3/154
B
23
Q
3/154
open_in_new
B
23Q
3/1543
B
23
Q
3/154
open_in_new
B
23Q
3/1546
B
23
Q
3/154
open_in_new
B
23Q
3/155
B
23
Q
3/155
open_in_new
B
23Q
3/15503
B
23
Q
3/155
open_in_new
B
23Q
3/15506
B
23
Q
3/155
open_in_new
B
23Q
3/15513
B
23
Q
3/155
open_in_new
B
23Q
3/1552
B
23
Q
3/155
open_in_new
B
23Q
3/15526
B
23
Q
3/155
open_in_new
B
23Q
2003/15527
B
23
Q
3/155
open_in_new
B
23Q
2003/15528
B
23
Q
3/155
open_in_new
B
23Q
2003/1553
B
23
Q
3/155
open_in_new
B
23Q
2003/15531
B
23
Q
3/155
open_in_new
B
23Q
2003/15532
B
23
Q
3/155
open_in_new
B
23Q
3/15533
B
23
Q
3/155
open_in_new
B
23Q
3/15534
B
23
Q
3/155
open_in_new
B
23Q
3/15536
B
23
Q
3/155
open_in_new
B
23Q
2003/15537
B
23
Q
3/155
open_in_new
B
23Q
3/15539
B
23
Q
3/155
open_in_new
B
23Q
3/1554
B
23
Q
3/155
open_in_new
B
23Q
2003/155404
B
23
Q
3/155
open_in_new
B
23Q
2003/155407
B
23
Q
3/155
open_in_new
B
23Q
2003/155411
B
23
Q
3/155
open_in_new
B
23Q
2003/155414
B
23
Q
3/155
open_in_new
B
23Q
2003/155418
B
23
Q
3/155
open_in_new
B
23Q
2003/155421
B
23
Q
3/155
open_in_new
B
23Q
2003/155425
B
23
Q
3/155
open_in_new
B
23Q
2003/155428
B
23
Q
3/155
open_in_new
B
23Q
2003/155432
B
23
Q
3/155
open_in_new
B
23Q
2003/155435
B
23
Q
3/155
open_in_new
B
23Q
2003/155439
B
23
Q
3/155
open_in_new
B
23Q
2003/155442
B
23
Q
3/155
open_in_new
B
23Q
2003/155446
B
23
Q
3/155
open_in_new
B
23Q
2003/155449
B
23
Q
3/155
open_in_new
B
23Q
2003/155453
B
23
Q
3/155
open_in_new
B
23Q
2003/155456
B
23
Q
3/155
open_in_new
B
23Q
3/15546
B
23
Q
3/155
open_in_new
B
23Q
3/15553
B
23
Q
3/155
open_in_new
B
23Q
3/1556
B
23
Q
3/155
open_in_new
B
23Q
3/15566
B
23
Q
3/155
open_in_new
B
23Q
3/15573
B
23
Q
3/155
open_in_new
B
23Q
2003/1558
B
23
Q
3/155
open_in_new
B
23Q
2003/15586
B
23
Q
3/155
open_in_new
B
23Q
3/157
B
23
Q
3/157
open_in_new
B
23Q
3/15706
B
23
Q
3/157
open_in_new
B
23Q
3/15713
B
23
Q
3/157
open_in_new
B
23Q
3/1572
B
23
Q
3/157
open_in_new
B
23Q
3/15722
B
23
Q
3/157
open_in_new
B
23Q
3/15724
B
23
Q
3/157
open_in_new
B
23Q
3/15726
B
23
Q
3/157
open_in_new
B
23Q
3/15733
B
23
Q
3/157
open_in_new
B
23Q
3/1574
B
23
Q
3/157
open_in_new
B
23Q
3/15746
B
23
Q
3/157
open_in_new
B
23Q
3/15753
B
23
Q
3/157
open_in_new
B
23Q
3/1576
B
23
Q
3/157
open_in_new
B
23Q
3/15766
B
23
Q
3/157
open_in_new
B
23Q
3/15773
B
23
Q
3/157
open_in_new
B
23Q
3/1578
B
23
Q
3/157
open_in_new
B
23Q
3/15786
B
23
Q
3/157
open_in_new
B
23Q
3/15793
B
23
Q
3/157
open_in_new
B
23Q
3/16
B
23
Q
3/16
open_in_new
B
23Q
3/18
B
23
Q
3/18
open_in_new
B
23Q
3/183
B
23
Q
3/18
open_in_new
B
23Q
3/186
B
23
Q
3/18
open_in_new
B
23Q
5/00
B
23
Q
5/00
open_in_new
B
23Q
2005/005
B
23
Q
5/00
open_in_new
B
23Q
5/02
B
23
Q
5/02
open_in_new
B
23Q
5/027
B
23
Q
5/027
open_in_new
B
23Q
5/033
B
23
Q
5/033
open_in_new
B
23Q
5/04
B
23
Q
5/04
open_in_new
B
23Q
5/041
B
23
Q
5/04
open_in_new
B
23Q
5/043
B
23
Q
5/04
open_in_new
B
23Q
5/045
B
23
Q
5/04
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B
23Q
5/046
B
23
Q
5/04
open_in_new
B
23Q
5/048
B
23
Q
5/04
open_in_new
B
23Q
5/06
B
23
Q
5/06
open_in_new
B
23Q
5/08
B
23
Q
5/08
open_in_new
B
23Q
5/10
B
23
Q
5/10
open_in_new
B
23Q
5/12
B
23
Q
5/12
open_in_new
B
23Q
5/14
B
23
Q
5/14
open_in_new
B
23Q
5/142
B
23
Q
5/14
open_in_new
B
23Q
5/145
B
23
Q
5/14
open_in_new
B
23Q
5/147
B
23
Q
5/14
open_in_new
B
23Q
5/16
B
23
Q
5/16
open_in_new
B
23Q
5/162
B
23
Q
5/16
open_in_new
B
23Q
5/165
B
23
Q
5/16
open_in_new
B
23Q
5/167
B
23
Q
5/16
open_in_new
B
23Q
5/18
B
23
Q
5/18
open_in_new
B
23Q
5/20
B
23
Q
5/20
open_in_new
B
23Q
5/22
B
23
Q
5/22
open_in_new
B
23Q
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17/09
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17/09
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Last updated on:
Friday July 31, 2026
Published on:
Friday July 31, 2026
Owned by:
Office of International Patent Cooperation