New Delhi, June 24 -- OpenAI has reportedly scrubbed all references to its newly acquired hardware subsidiary, io, from its website this week, following a trademark dispute brought by iyO, a Google-backed start-up developing custom-moulded earpieces billed as "the world's first audio computer".

According to MacRumors, the legal clash comes after iyO submitted court documents alleging that OpenAI and io were fully aware of its in-ear computing device, even going so far as to request a demonstration. Reportedly, the filings include emails that iyO says prove OpenAI's team was briefed on the start-up's innovation prior to launching its own hardware efforts.

OpenAI, which purchased io, a company co-founded by former Apple design chief Jony ...