# IPC

CEFR C1 · Noun

Source: https://englishreference.com/word/ipc
Updated: 2026-05-18

## Definition

Stands for International Patent Classification. A system used to organize and search for patents based on the type of technology they describe.

For teachers: Abbreviation for International Patent Classification. A hierarchical system of technical classifications used to categorize patents and patent applications by their subject matter.

## Examples

- The researcher used the IPC to find similar patents in the field.
- When filing for a patent, the inventor must identify the correct IPC codes to ensure the application is reviewed by the right department.
- The transition to the IPC was designed to standardize patent searching across national boundaries, allowing researchers to identify prior art more efficiently in a globalized economy.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
