Querying

Introduced: January 2019

Full Title

Full titles differ between systems:

IPC:

Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data > Querying

CPC:

Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data (document management systems G06F16/93) > Querying

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2019.

Child Classifications

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G06F 16/332 Query formulation since 2019 +2 CPC IPC+CPC Available in IPC and CPC
G06F 16/3331 Query processing since 2025 IPC+CPC Available in IPC and CPC
G06F 16/335 Filtering based on additional data, e.g. user or group profiles (filtering in web context G06F16/9535, G06F16/9536) since 2019 +1 CPC IPC+CPC Available in IPC and CPC
G06F 16/338 Presentation of query results since 2019 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 66,669
IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
MICROSOFT TECHNOLOGY LICENSING US 41,918
GOOGLE US 32,969
SGCC(STATE GRID CORPORATION OF CHINA) 30,822
INTEL CORPORATION US 30,010
TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
HUAWEI TECHNOLOGIES COMPANY CN 26,079
APPLE US 21,891
HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 76,952
IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
MICROSOFT TECHNOLOGY LICENSING US 44,778
GOOGLE US 35,735
INTEL CORPORATION US 32,087
HUAWEI TECHNOLOGIES COMPANY CN 30,572
TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
APPLE US 23,482
SGCC(STATE GRID CORPORATION OF CHINA) 22,548
HUAWEI TECHNOLOGIES COMPANY 20,917