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).
1 April 2025: 2025.05 pre-released material:
- 2025.05 CPC Scheme in PDF and in XML
- 2025.05 CPC to IPC concordance in PDF, XML and TXT
- Notices of Changes related to the "2025.05 CPC Scheme":
- CPC Notice of Changes 1671-RP10485 (F16H)
- CPC Notice of Changes 1714-MP12387 (H03L)
- CPC Notice of Changes 1715-DP12392 (H02P)
- CPC Notice of Changes 1716-DP12482 (G01M)
- CPC Notice of Changes 1718-RP12306 (H04L)
- CPC Notice of Changes 1734-RP11515 (A61K finalised)
- CPC Notice of Changes 1735-RP11766 (H10B finalised)
- CPC Notice of Changes 1736-RP10466 (G06F finalised)
- CPC Notice of Changes 1737-RP11804 (various)
- CPC Notice of Changes 1738-RP11531 (C07K finalised)
- CPC Notice of Changes 1739-RP0241 (various finalised)
- CPC Notice of Changes 1740-MP12247 (F02F)
- CPC Notice of Changes 1741-RP10389 (B01D finalised)
- CPC Notice of Changes 1742-RP0422 (G01N finalised)
- CPC Notice of Changes 1743-RP11761 (H10N finalised)
- CPC Notice of Changes 1744-RP10471 (B60N finalised)
- CPC Notice of Changes 1745-RP0737 (A43B finalised)
- CPC Notice of Changes 1746-MP12294 (F02N)
- CPC Notice of Changes 1747-MP12386 (H03G)
- CPC Notice of Changes 1748-RP10450 (F02B finalised)
- CPC Notice of Changes 1749-RP11836 (C04B)
- CPC Notice of Changes 1750-MP11897 (A61B)
- CPC Notice of Changes 1751-RP11941 (various finalised)
- CPC Notice of Changes 1752-RP12149 (various)
- CPC Notice of Changes 1753-DP12020 (C08F)
- CPC Notice of Changes 1754-RP12019 (C08C)
- CPC Notice of Changes 1755-RP11657 (C12N)
- CPC Notice of Changes 1756-MP12034 (G01C)
- CPC Notice of Changes 1757-DP12421 (H04L)
- CPC Notice of Changes 1758-MP12696 (A61K)
- CPC Notice of Changes 1760-DP11779 (G08B)
- CPC Notice of Changes 1761-RP10482 (B61L finalised)
- CPC Notice of Changes 1762-RP0762 (G06N finalised)
- CPC Notice of Changes 1763-RP11516 (H04J finalised)