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One invention can leave many paper trails

A patent leaderboard can change dramatically depending on whether it counts publications, applications or families. First ask what the unit actually measures.

Family links

A patent family groups applications with the same or related technical content through priority relationships. Related filings can appear in different jurisdictions and at different procedural stages.

Definitions differ

The EPO distinguishes simple families covering the same technical content from extended families covering similar content. Other databases may group the records differently.

Compare fairly

For Chinese, European and North American firms, state the date range, jurisdictions, ownership rules and family definition. A larger publication count alone does not demonstrate better technology.

THE IDEA TO KEEPCount consistently before drawing conclusions about inventive strength.
FOLLOW THE EVIDENCE

Sources & further reading

Sources reviewed 14 November 2026. Specifications and availability depend on the product, market and date. Source organisations do not endorse this website.

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