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9th U.S. Circuit Court of Appeals

Dec. 5, 2025

9th Circuit backs iyO in trademark fight with OpenAI over IO name

A 9th Circuit panel upheld a restraining order barring OpenAI and IO Products from using the "IO" name, finding likely trademark infringement against startup iyO, resulting in irreparable harm.

9th Circuit backs iyO in trademark fight with OpenAI over IO name
Northern District Judge Trina L. Thompson

A federal appellate panel has upheld a temporary restraining order against OpenAI and its founder, Sam Altman -- as well as IO Products, Inc. and its founder Jony Ive - preventing them from using the name "IO" to market similar artificial intelligence hardware to that of competitor iyO Inc.

iyO claims the defendants infringed their trademark on a voice controlled "audio computer" headset, as well as their name, years after a meeting in 2022 when they allegedly...

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