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 |
|
MP12837 |
Active |
A01B |
[IPC2026.01](M296) Removal of non-limiting references in subclass A01B |
|
MP12803 |
Active |
A01J, A23C |
[IPC2026.01](C535) Relationship between subclasses A23C and A01J, and classification of milk substitutes |
|
RP12401 |
Active |
A01K |
Fish-hooks; Artificial baits for fishing |
|
MP12716 |
Active |
A01N, B01D, B29K, B65C, C07C, C08F, C08L, C09B, C09D, C09J, C10M |
[IPC2026.01](M835) Review and harmonize the use of terminology "(poly)ethene" and "(poly)ethylene" in the IPC |
|
MP12731 |
Active |
A01P |
[IPC2026.01](M831) Review of the notes in the "secondary classification places" throughout the IPC |
|
MP12751 |
Active |
A23C, A61K, A61L, B01D, B01L, B21B, B21C, B22D, B22F, B27L, B28C, B32B, B60R, B60T, B65D, B66B, B66D |
Removal of Limiting Reference to Parent, Sections A + B |
|
RP12829 |
Active |
A23L |
[IPC2026.01](C534) Egg products |
|
MP12758 |
Active |
A24D, A24F |
[IPC2026.01](M282) Removal of non-limiting references in subclass A24D |
|
MP12838 |
Active |
A41B, A41C, A61D, A61F, A61M, F16D, F22D |
[IPC2026.01](M634) Proposals for improving the IPC - Mechanics |
|
RP10480 |
Active |
A41G |
ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS |
|
MP12735 |
Active |
A45C, A47C, B23Q, B25B, B60B, B60K, B60L, B62K, B65D, B81B, B81C |
Correction of IPC-CPC misalignment |
|
MP12511 |
Active |
A47C |
CHAIRS; SOFAS; BEDS |
|
MP12834 |
Active |
A47K |
[IPC2026.01](M279) Removal of non-limiting references in subclass A47K |
|
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 |
|
MP12823 |
Active |
A61C, A61H, A61K, A61L, A61M, A61N, B01D, B02C, B23B, B24B, B26F, B65B, C09C, C25D, D06M, E21C, G01H, G01M, G01N, G01S, G03C, G03H, H01C, H01J, H01R, H04B |
[IPC2026.01](M839) Harmonization of the terms “ultrasonics” and “ultrasound” in the IPC |
|
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 |
|
RP12262 |
Active |
A61K |
A61K48 Gene Therapy |
|
RP11785 |
Active |
A61K |
Changes to A61K41 |
|
RP10468 |
Active |
A61K |
Bacterial antigens |
|
MP12717 |
Active |
A61K |
[IPC2026.01](M627) Scheme title change in group A61K47/55 from M627 |
|
MP11676 |
Active |
A61K |
Definitions A61K9 and A61K47 |
|
RP12830 |
Active |
A61L |
[IPC2026.01](C529) Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor |
|
RP11946 |
Active |
A61M |
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way |
|
MP12708 |
Active |
A61M, B05B, B60G, B66B, B67C, E05B, F16D, G03B, G05B, G06F, G07F, G08B, H03H, H03J, H04B, H04N |
[IPC2026.01](M837) Review the use of terminology "master/slave" |
|
MP12828 |
Active |
A63B, B04B, B21B, B21D, B23B, B23H, B23P, B23Q, B25J, B30B, B41J, B41L, B60L, B66C, D03C, D04B, D05B, F02D, F15B, F15C, F23N, G01G, G01R, G05B, G05G, G06F, G06V, G09B, G10H, G11B, H01H, H01J, H03J, H04N, H04Q, Y10S |
[IPC2026.01](M843) Review and harmonize the use of "programme" vs "program" throughout the IPC |
|
MP12832 |
Active |
A63F |
[IPC2026.01](M297) IPC implementation removal of non-limiting references A63F |
|
MP12840 |
Active |
A63F, B01J, B23K, B29C, B31D, B33Y, B44B, B44F, B63B, B65B, B65G, D04D, D04H, D06M, E01F, E04B, E04C, E04G, F16H, F21Y, G01C, G01S, G02B, G03C, G05B, G05D, G06F, G06T, G06V, G09F, G11B, G11C, G16B, H01Q, H04N, H05B, H10B, H10D |
[IPC2026.01](M838) Review the consistency in the use of abbreviations “2D” and “3D” in the IPC scheme, definitions and catchwords |
|
MP12835 |
Active |
A63G |
[IPC2026.01](M298) Removal of non-limiting references in subclass A63G |
|
MP12836 |
Active |
A63K, G04F |
[IPC2026.01](M299) Removal of non-limiting references in subclass A63K |
|
RP11802 |
Active |
B01J |
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof |
|
MP11959 |
Active |
B01L |
Removal of additional NLR - B01L |
|
RP12427 |
Active |
B03D |
Abolish B03D-2201 & 2203, and replace with expected 2101 & 2103 |
|
RP11955 |
Active |
B08B |
Cleaning |
|
MP12810 |
Active |
B21F |
[IPC2026.01](M295) IPC implementation removal of non-limiting references B21F |
|
MP12804 |
Active |
B23K |
[IPC2026.01](F185) SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM |
|
RP11669 |
Active |
B32B, D01D, D04H |
Deleting outdated Warnings and not used groups in D04H |
|
RP12821 |
Active |
B60D |
[IPC2026.01](M304) Removal of non-limiting references in subclass B60D |
|
MP12833 |
Active |
B60F |
[IPC2026.01](M305) Removal of non-limiting references in subclass B60F |
|
MP12809 |
Active |
B60H |
[IPC2026.01](M283) Removal of non-limiting references in subclass B60H |
|
MP12246 |
Active |
B60K, B65G, F16K, G21C, H02P |
Semicolon use |
|
MP12825 |
Active |
B61H |
[IPC2026.01](M280) Removal of Non-Limiting References B61H |
|
MP12826 |
Active |
B61K |
[IPC2026.01]{Batch 2}(M281)#31pg# Removal of Non-Limiting References B61K |
|
RP12079 |
Active |
B64C |
AEROPLANES; HELICOPTERS |
|
RP12725 |
Active |
C01B, C01C |
[IPC2026.01](F180) Hydrogen; Gaseous mixtures containing hydrogen; Preparation or separation thereof |
|
MP12752 |
Active |
C01B, C01C, C03B, C04B, C07C, C09B, C10B, C11D, C12C, C12P, D06P |
Removal of Limiting Reference to Parent, Sections C + D |
|
MP12313 |
Active |
C07D |
Heterocyclic Compounds Guidance Headings |
|
RP12293 |
Active |
C07F |
Housekeeping in C07F7 and C07F9 |
|
MP11852 |
Active |
C07G |
C07G scheme and definition changes |
|
RP12806 |
Active |
C07K |
[IPC2026.01](F197) Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies |
|
RP11530 |
Active |
C07K |
Peptides: Peptides having more than 20 amino acids, and Immunoglobulins; Ion Channels (C07K14) |
|
RP12030 |
Active |
C08G |
Polysiloxanes C08G77 |
|
RP12808 |
Active |
C09K |
[IPC2026.01](F205) New Indexing schemes related to group C09K 11/00 |
|
MP12798 |
Active |
C12N |
[IPC2026.01](F202) Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating... |
|
MP12018 |
Active |
C12N |
Mutation or genetic engineering |
|
MP12179 |
Active |
C12Q |
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS |
|
MP12083 |
Active |
C21B, C21C |
NLR in C21B and C21C |
|
RP12831 |
Active |
C21D |
[IPC2026.01](C531) Modifying the physical properties by deformation combined with, or followed by, heat treatment |
|
MP12140 |
Active |
C22C |
ALLOYS |
|
RP12250 |
Active |
C23C, E02B, F16H, F16J, G01R, H03M |
Removal of outdated warnings |
|
MP12471 |
Active |
E01B, E01C, E01D, E01F, E01H |
E01 corrections |
|
MP12753 |
Active |
E01C, E01H, E02D, E02F, E03B, E03F, E04G, E06B, E21B, F04D, F16D, F16G |
Removal of Limiting Reference to Parent, Sections E + F |
|
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 |
|
RP12426 |
Active |
F23B |
METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL |
|
RP12292 |
Active |
F25B |
Indexing scheme associated with refrigeration machines |
|
MP12318 |
Active |
F25J |
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT |
|
RP12727 |
Active |
F26B |
[IPC2026.01](F191) Arrangements for supplying or controlling air or gases for drying solid materials or objects |
|
RP12222 |
Active |
F41G |
Sighting devices |
|
MP12754 |
Active |
G01G, G01K, G01N, G01R, G01S, G01T, G01W, G02B, G03C, G07B, G09B, G11B, G21K, H03H, H04N, H04R, H04T |
Removal of Limiting Reference to Parents, Sections G + H |
|
RP12839 |
Active |
G01N |
[IPC2026.01](F203) Immunoassays and biospecific binding assays for detecting cancers |
|
RP12082 |
Active |
G01N |
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
|
RP11803 |
Active |
G01N |
G01N 30 Chromatography |
|
MP12822 |
Active |
G02C, G08B, H04R |
[IPC2026.01](M633) Proposals for improving the IPC - Electricity, Physics |
|
MP12169 |
Active |
G03F |
Microphotolithography |
|
MP12811 |
Active |
G03G |
[IPC2026.01](M286) Removal of non-limiting references in subclass G03G |
|
MP12816 |
Active |
G04C |
[IPC2026.01](M285) Removal of non-limiting references in subclass G04C |
|
MP12774 |
Active |
G06E |
Amend definition and align IPC-CPC title |
|
MP12805 |
Active |
G06F |
[IPC2026.01](F194) Packaging or power distribution |
|
MP12726 |
Active |
G06F |
[IPC2026.01](F189) Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result |
|
RP12813 |
Active |
G06G |
[IPC2026.01](M290) Removal of non-limiting references in subclass G06G |
|
MP12827 |
Active |
G06J |
[IPC2026.01](M291) Removal of non-limiting references in subclass G06J |
|
MP12817 |
Active |
G06M |
[IPC2026.01](M292) Removal of non-limiting references in subclass G06M |
|
RP12814 |
Active |
G06Q |
[IPC2026.01](F190) Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism |
|
RP12802 |
Active |
G06T |
[IPC2026.01](C530) 2D [Two Dimensional] image generation |
|
MP12820 |
Active |
G07G |
[IPC2026.01](M293) Removal of non-limiting references in subclass G07G |
|
RP12174 |
Active |
G21B |
FUSION REACTORS |
|
RP12722 |
Active |
G21K |
[IPC2026.01](C533) New groups under main group G21K 1/00 as residual places for “ion traps” |
|
MP12252 |
Active |
H01C |
Resistors |
|
RP12035 |
Active |
H01F |
MAGNETS |
|
MP12732 |
Active |
H01J |
[IPC2026.01](M840) Titles for “ion traps” in subclass H01J |
|
RP12819 |
Active |
H01L, H10D, H10P |
[IPC2026.01](C517) GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10 |
|
MP12135 |
Active |
H01Q |
ANTENNAS |
|
RP12824 |
Active |
H02J |
[IPC2026.01](F196) Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries |
|
RP12723 |
Active |
H02J |
[IPC2026.01](F140) Supplying or distributing electric power; Storing of electric energy [NET] |
|
MP12721 |
Active |
H04L |
[IPC2026.01](C532) Title of group H04L12/14 |
|
RP12303 |
Active |
H04M |
Warnings at H04M |
|
MP12812 |
Active |
H04R |
[IPC2026.01](F200) Earphone charging boxes |
|
RP12818 |
Active |
H05K |
[IPC2026.01](C540) Assembling printed circuits with electric components |
|
MP12738 |
Active |
H05K |
[IPC2026.01](F198) Printed circuits structurally associated with non-printed electric components |
|
RP12819 |
Active |
H10W |
[IPC2026.01](C518) GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS, OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 |