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ARTICLE · 19 SEPTEMBER 2025

Robots Rejected: Canada Denies AI As Patent Inventor

The wait is over – the Canadian Patent Appeal Board (the Board) has answered the question we've been tracking since 2022: can an artificial intelligence (AI) system be named as an inventor...

CanadaIntellectual Property

The wait is over – the Canadian Patent Appeal Board (the Board) has answered the question we've been tracking since 2022: can an artificial intelligence (AI) system be named as an inventor on a Canadian patent application? That answer, delivered in Re Thaler, Stephen, is no.

By way of brief background, Dr. Stephen Thaler created an AI system known as "Device for the Autonomous Bootstrapping of Unified Sentience" (DABUS), which allegedly conceived two disparate yet novel products: a food container that enables rapid reheating and a flashing beacon for use during an emergency. Although DABUS itself is the subject of patent protection, Dr. Thaler sought to obtain patent protection over these two products in several countries, and expressly designated DABUS as the sole inventor. The filing documents identified no human contribution to conception.

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