A99 SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION
Description
A99 serves as a residual classification for inventions and subject matter related to human necessities that do not fit within the more specific classes of Section A (A01–A98). This class captures technologies, products, and methods addressing basic human needs—such as food, agriculture, clothing, personal care, or medical applications—that fall outside established technical boundaries. A99 is typically used only when no more precise classification within Section A applies, making it essential for managing edge cases and emerging technologies in the human necessities domain.
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2006.
Child Classifications
Navigate with arrow keys, Enter to open
- A99Z SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION heading since 2006 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY 51
- KOMATSU 18
- HUAWEI DEVICE 10
- FRENCH SHENGOBI GLASS FACTORY 8
- MITSUBISHI ELECTRIC CORPORATION 7
- 法国圣戈班玻璃厂 7
- SZ DJI TECHNOLOGY COMPANY 7
- LG CHEM 6
- CHINESE ACADEMY OF SCIENCES 5
- YOSHIDA KOGYO 5
Top Applicants (CPC)
2013–2023, worldwide · Source: EPO PATSTAT
- BOSTON SCIENTIFIC SCIMED US 3
- TEXAS SCOTTISH RITE HOSPITAL FOR CHILDREN US 3
- KIM, DOO SOO KR 3
- KARDION DE 2
- TEXAS SCOTTISH RITE HOSPITAL FOR CRIPPLED CHILDREN US 1
- BOSTON SCIENTIFIC INTERNATIONAL CO., LTD. 1
- BENTO Franck LU 1
- YALE UNIVERSITY US 1
- HINDUSTAN INSTITUTE OF TECHNOLOGY AND SCIENCE IN 1
- TEXAS SCOTTISH RITE HOSPITAL FOR CHILDREN 1