One of the main targets of Polish Presidency of the Council of the European Union was to reach an agreement regarding unitary patent protection. However, although numerous attempts were made the issue remained unsolved. EU Member States reached a provisional agreement on the two draft regulations implementing enhanced cooperation in the area of unitary patent protection, but compromise on agreement for the creation of a Unified Patent Court was not achieved. The works on Unitary Patent Protection lasted within enhanced cooperation of 25 EU Member States. The unitary protection was to be created by so-called patent package built of two regulations, adopted by union institutions introducing enhanced cooperation on unitary patent protection system and with respect of translations and international agreement on creating Unified Patent Court. The agreements stipulate establishment of European patent with unitary effect applicable on territory of all EU Member States participating in enhanced cooperation. The achievements of Polish Presidency in Europe in works on unitary patent protection should not be criticized although on domestic ground not only should the Polish stand and accepted offers but also the commitment of Polish society in establishing rules be refused.