Rubik’s Cube puzzled after losing EU trademark battle

Toymakers fear flood of cheap copycat cubes after European court rules that bestselling game’s trademark is invalid

It’s the familiar multicoloured 3D brainteaser that has challenged puzzle enthusiasts for more than 40 years and is still the world’s bestselling toy of all time.

But on Thursday – after a 10-year legal tussle – Rubik’s Cube lost a key trademark battle after the European court of justice (ECJ) said its shape was not sufficient to grant it protection from copycat versions.

Related: Rubik’s Cube puzzled after losing EU trademark battle

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