Case T-641/24: Judgment of the General Court of 19 November 2025 – Heinrich Sieber & Co. v EUIPO – Achilles (Shopping bags) (European Union design – Invalidity proceedings – Registered European Union design representing a shopping bag – Ground for invalidity – Lack of unicity of the design – Articles 3(a) and 25(1)(a) of Regulation (EC) No 6/2002 in the version prior to Regulation (EU) 2024/2822 – Consistency of views)