In this area of the website, CPC related material such as scheme files, notices of changes, concordances, etc, will be published about one month before official entry into force of this material.
The publication of the pre-released material started on 6 May 2014 concerning the June 2014 CPC scheme version (2014-06).
The pre-release will normally happen on the first Tuesday of a given month (for example Tuesday 6 May 2014) for entry into force on the first day of the following month (for example 1 June 2014).
2 April 2024: 2024.05 pre-released material:
- 2024.05 CPC Scheme in PDF and in XML
- 2024.05 CPC to IPC concordance in PDF, XML and TXT
- Notices of Changes related to the "2024.05 CPC Scheme":
- CPC Notice of Changes 1544-MP12219 (B64Gcorrected)
- CPC Notice of Changes 1545-RP11845 (various)
- CPC Notice of Changes 1546-RP11854 (H05K)
- CPC Notice of Changes 1547-DP12239 (F03G)
- CPC Notice of Changes 1548-RP10399 (A61M finalised)
- CPC Notice of Changes 1549-MP12028 (D21F)
- CPC Notice of Changes 1550-RP10450 (F02B)
- CPC Notice of Changes 1551-RP12231 (H02K)
- CPC Notice of Changes 1552-RP11670 (A61K)
- CPC Notice of Changes 1553-RP10479 (G01N)
- CPC Notice of Changes 1586-RP11961 (F21S)
- CPC Notice of Changes 1614-RP11529 (B41J)
- CPC Notice of Changes 1615-MP11967 (F15D)
- CPC Notice of Changes 1616-RP10457 (various)
- CPC Notice of Changes 1617-RP11780 (H10N)
- CPC Notice of Changes 1618-RP0027 (various finalised)
- CPC Notice of Changes 1619-MP11968 (H02P)
- CPC Notice of Changes 1620-DP12172 (various)
- CPC Notice of Changes 1621-DP11746 (A01H)
- CPC Notice of Changes 1622-RP10451 (C23C finalised)
- CPC Notice of Changes 1623-RP11524 (A61H)
- CPC Notice of Changes 1624-RP10464 (H01L finalised)
- CPC Notice of Changes 1627-DP12317 (A63B)
- CPC Notice of Changes 1629-RP12230 (H04L)
- CPC Notice of Changes 1631-RP11777 (B64Gcorrected)
- CPC Notice of Changes 1632-DP12371 (B64G)