Rubik's Cube shape is not a trademark, EU rules, The Independent

The 3D brainteaser invented in 1974 by Hungarian Erno Rubik is popular among young and old, with more than 350m cubes sold worldwide

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Rubik's Cube shape is not a trademark, EU rules

Rubik's Cube loses EU trademark fight over its shape - The

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He Invented the Rubik's Cube. He's Still Learning From It

Rubik's Cube loses EU trademark battle

Rubik's Cube puzzled after losing EU trademark battle, Toys

The Consilience Project How to Mislead with Facts - The