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).
4 April 2023: 2023.05 pre-released material:
- 2023.05 CPC Scheme in PDF and in XML
- 2023.05 CPC to IPC concordance in PDF, XML and TXT
- Notices of Changes related to the "2023.05 CPC Scheme":
- CPC Notice of Changes 1358-RP10429 (various)
- CPC Notice of Changes 1415-RP11818 (Y10S)
- CPC Notice of Changes 1416-DP11824 (A43B)
- CPC Notice of Changes 1417-RP11675 (A61K)
- CPC Notice of Changes 1418-RP11509 (H04L)
- CPC Notice of Changes 1419-RP10462 (G02B)
- CPC Notice of Changes 1420-MP10334 (B64C)
- CPC Notice of Changes 1421-MP11667 (H04L)
- CPC Notice of Changes 1422-RP11656 (Y10T)
- CPC Notice of Changes 1423-RP11757 (H04W)
- CPC Notice of Changes 1424-RP11829 (G01J)
- CPC Notice of Changes 1425-RP11807 (various)
- CPC Notice of Changes 1426-RP11793 (H02K)
- CPC Notice of Changes 1427-RP11671 (B32B)
- CPC Notice of Changes 1428-RP11668 (H04W)
- CPC Notice of Changes 1429-RP11666 (H04B)
- CPC Notice of Changes 1430-RP11520 (H04B)
- CPC Notice of Changes 1432-RP11513 (A01C)
- CPC Notice of Changes 1433-MP11660 (B62D)
- CPC Notice of Changes 1434-MP10333 (A47J)
- CPC Notice of Changes 1435-DP10005 (H04J)
- CPC Notice of Changes 1436-DP11674 (H04N)
- CPC Notice of Changes 1437-DP11956 (B82B)
- CPC Notice of Changes 1438-RP0327 (various finalised)
- CPC Notice of Changes 1439-RP0360 (C09K finalised)
- CPC Notice of Changes 1440-RP0527 (A45D finalised)
- CPC Notice of Changes 1441-RP0620 (B33Y finalised)
- CPC Notice of Changes 1442-RP0689 (A01K finalised)
- CPC Notice of Changes 1443-RP0161 (A62C finalised)
- CPC Notice of Changes 1444-RP0740 (A61B finalised)
- CPC Notice of Changes 1445-RP0736 (B01D finalised)
- CPC Notice of Changes 1446-RP0703 (F01L finalised)
- CPC Notice of Changes 1447-RP0482 (F24F finalised)
- CPC Notice of Changes 1448-RP0240 (B23B finalised)
- CPC Notice of Changes 1449-RP0755 (G01F finalised)
- CPC Notice of Changes 1450-RP0706 (various finalised)
- CPC Notice of Changes 1451-RP0705 (A61M finalised)
- CPC Notice of Changes 1452-RP0694 (G01N finalised)
- CPC Notice of Changes 1453-RP0691 (G01K finalised)
- CPC Notice of Changes 1454-RP0677 (H02M finalised)
- CPC Notice of Changes 1455-RP0676 (various finalised)
- CPC Notice of Changes 1456-RP0674 (G01D finalised)
- CPC Notice of Changes 1457-RP0673 (H02K finalised)
- CPC Notice of Changes 1458-RP0647 (G10D finalised)
- CPC Notice of Changes 1459-RP0601 (F25C finalised)
- CPC Notice of Changes 1460-RP0597 (G02B finalised)
- CPC Notice of Changes 1461-RP0563 (C04B finalised)
- CPC Notice of Changes 1462-RP0532 (H04W finalised)
- CPC Notice of Changes 1463-RP0462 (Y10T finalised)
- CPC Notice of Changes 1464-RP0453 (G06Q finalised)
- CPC Notice of Changes 1465-RP0350 (H04L finalised)
- CPC Notice of Changes 1466-RP0337 (C08J finalised)
- CPC Notice of Changes 1467-RP0279 (B01D finalised)
- CPC Notice of Changes 1468-RP0269 (G11B finalised)
- CPC Notice of Changes 1469-RP0085 (C25D finalised)
- CPC Notice of Changes 1470-RP0614 (F23D finalised)
- CPC Notice of Changes 1472-RP11978 (H04L)
- CPC Notice of Changes 1473-RP10475 (various)
- CPC Notice of Changes 1474-RP10484 (E21C)
- CPC Notice of Changes 1477-RP0247 (G01S finalised)
- CPC Notice of Changes 1479-RP0765 (various finalised)