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Rialachán (AE) Uimh. 1257/2012 ó Pharlaimint na hEorpa agus ón gComhairle an 17 Nollaig 2012 lena gcuirtear comhar feabhsaithe chun feidhme sa réimse a bhaineann le cosaint aonadach phaitinne a chruthú
Regulation (EU) No 1257/2012 of the European Parliament and of the Council of 17 December 2012 implementing enhanced cooperation in the area of the creation of unitary patent protection