# Patenting trends in biometric technology of the Big Five patent offices

> Research article (World Patent Information, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3155036990](https://www.wikidata.org/wiki/openalex:W3155036990)  
**Source**: https://4ort.xyz/entity/patenting-trends-in-biometric-technology-of-the-big-five-patent-offices