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Brexit-linked new-year cliff edge looms for cloned UK trademarks

By Douglas Clarke-Williams ( December 22, 2025, 10:56 GMT | Comment) -- From Jan. 1, 2026, holders of UK trademarks which sit on the register as “clones” of EU-registered marks will have to prove that they've been consistently used in the UK in the five years since Brexit, or leave themselves open to cancellation. While it remains to be seen how many trademarks could be challenged, some industry professionals are warning it could create a significant amount of extra work for the UK's Intellectual Property Office.If you hold a UK trademark that was cloned from an EU one when the UK withdrew from the bloc at the end of 2020, then if you haven't used it, you could soon lose it. ...

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