Australia Trade Marks Office · Australia · · [2026] ATMO 154
No weight givenAcknowledged AI output tenderedchat-outputoffered by applicantchallenge: weight
A party offered ChatGPT and Gemini responses on product classification and markets in a trademark opposition. The hearing officer rejected treating chatbot outputs like dictionary or encyclopaedic evidence because sources, relevance to Australia, currency, and accuracy could not be interrogated.
Rules cited: Trade Marks Act 1995 (Cth)
The court's finding, in its words
Responses to very particularly worded questions, produced by AI chatbots, are not in and of themselves evidence of a fact.
Short verbatim extract (≤25 words) for identification; the judgment is linked below and is the record.