Studies of diversity, equity and inclusion (DEI) initiatives in corporations typically involve ethnic minorities or women. In this case study, however, the focus is on men, and a new DEI policy implemented successfully in four multinational corporations (MNCs), namely, paternity leave rights with global applicability. The MNCs’ rationale for introducing this policy, and the perception of it by male employees who have taken such leave are explored mainly through interviews. These fathers are working for one of the MNCs and based in the UK, the US, Brazil and Australia. The aim of the case study is twofold: (i) contribute new insights into how the MNCs discursively justify the global policy, and (ii) develop a contextual framework explaining the MNCs’ successful implementation, which involves both discursive and practical action. In terms of underlying corporate DEI discourses, they mainly emphasise either economic rationality, inclusion or fairness. Regarding factors influencing uptake, a supportive work culture, a standardised period of fully paid leave and formal replacement during leave turn out to be important for informants across all four MNCs.