Ongoing CPC projects (as of 10 March 2026)

The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. The outcome of these projects will be summarized in a Notice of Change pre-released one month before the corresponding changes are implemented in the CPC scheme.

 

Project 

Status

CPC

Title

RP12401

Active

A01K

Fish-hooks; Artificial baits for fishing

MP12964

Active

A22B

[IPC2027.01](M309) Removal of non-limiting references in subclass A22B

MP12751

Active

A23C, A61K, B01D, B21B, B22D, B22F, B27L, B28C, B32B, B60R, B60T, B65D, B66B, B66D

Removal of Limiting Reference to Parent, Sections A + B

RP12242

Active

A61B

Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment

RP10481

Active

A61B

Other methods or instruments for diagnosis

RP12249

Active

A61B

Warnings in A61B

MP12950

Active

A61B, A61D, A61F, A61G, B25B, B65D, C08L, C09D, C09J

[IPC2027.01](M631) Correction of obvious errors

RP11992

Active

A61G

TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS

RP11991

Active

A61J

CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES

MP11788

Active

A61K

Definitions change in A61K35

RP12262

Active

A61K

A61K48 Gene Therapy

RP11785

Active

A61K

Changes to A61K41

RP10468

Active

A61K

Bacterial antigens

RP11946

Active

A61M

Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way

RP11802

Active

B01J

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof

RP12427

Active

B03D

Abolish B03D-2201 & 2203, and replace with expected 2101 & 2103

RP11955

Active

B08B

Cleaning

MP12952

Active

B25J, B60L, D06F, F02D, G01R, G06F, G09B

[IPC2027.01](M843) Review and harmonize the use of "programme" vs "program" throughout the IPC

RP12424

Active

B31B

MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

RP11669

Active

B32B, D01D, D04H

Deleting outdated Warnings and not used groups in D04H

MP12246

Active

B60K, B65G, F16K, G21C, H02P

Semicolon use

RP12079

Active

B64C

AEROPLANES; HELICOPTERS

RP12293

Active

C07F

Housekeeping in C07F7 and C07F9

MP12018

Active

C12N

Mutation or genetic engineering

MP12179

Active

C12Q

MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS

RP12250

Active

C23C, E02B, F16H, F16J, G01R, H03M

Removal of outdated warnings

MP12957

Active

D02H

[IPC2027.01](M301)Removal of non-limiting references in subclass D02H

MP12471

Active

E01B, E01C, E01D, E01F, E01H

Corrections

RP12414

Active

E05D

HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS

RP12261

Active

F01B

MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES

MP12243

Active

F15B

Servomotor systems without provision for follow-up action; Circuits therefor

RP11830

Active

F16M

FRAMES, CASINGS, OR BEDS OF ENGINES

RP12325

Active

F21V

Features of Lighting Devices

MP12318

Active

F25J

LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT

RP12222

Active

F41G

Sighting devices

RP12082

Active

G01N

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

RP11803

Active

G01N

G01N 30 Chromatography

MP12967

Active

G01R, H01M, H02H

[IPC2027.01](M844) Review in the IPC for the replacement of “accumulators” by “rechargeable batteries"

MP12169

Active

G03F

Microphotolithography

MP12880

Active

G03G

IPC follow-up project

RP12853

Active

G06Q

INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY

RP12174

Active

G21B

FUSION REACTORS

RP12035

Active

H01F

MAGNETS

MP12135

Active

H01Q

ANTENNAS

RP12303

Active

H04M

Warnings at H04M

MP12943

Active

H10P

[IPC2027.01](C517) GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10

MP12864

Active

H10W

[IPC2027.01](C518) GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS, OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10