Upon opposition by the proprietor of a registered earlier trade mark within the meaning of paragraph 2, the trade mark applied for shall not be registered where it is identical with, or similar to, an earlier trade mark, irrespective of whether the goods or services for which it is applied are identical with, similar to or not similar to those for which the earlier trade mark is registered, where, in the case of an earlier EU trade mark, the trade mark has a reputation in the Union or, in the case of an earlier national trade mark, the trade mark has a reputation in the Member State concerned, and where the use without due cause of the trade mark applied for would take unfair advantage of, or be detrimental to, the distinctive character or the repute of the earlier trade mark.’.
Má chuireann dílseánach trádmhairc níos luaithe chláraithe de réir bhrí mhír 2 ina choinne, ní chlárófar an trádmharc a ndearnadh iarratas ina leith i gcás ina bhfuil sé comhionann le nó cosúil le trádmharc níos luaithe, is cuma cé acu an bhfuil na hearraí nó na seirbhísí a ndearnadh iarratas ina leith comhionann leis, cosúil leis nó neamhchosúil leis na hearraí nó na seirbhísí ar chucu a chláraítear an trádmharc níos luaithe, más rud é go bhfuil clú ar an trádmharc san Aontas, i gcás trádmhairc níos luaithe de chuid AE, nó más rud é go bhfuil clú ar an trádmharc sa Bhallstát lena mbaineann, i gcás trádmharc níos luaithe náisiúnta, agus más rud é go mbainfeadh úsáid an trádmhairc a ndearnadh iarratas ina leith, gan chúis chuí, buntáiste éagórach as saintréith nó cáil an trádmhairc níos luaithe, nó go ndéanfadh sé dochar dóibh.”.