Court of Appeal in Warsaw, Poland [2013]: Case No. VI ACa 480/13 is available at https://orzeczenia.ms.gov.pl/content/$0022VI$0020ACa$0020480$002f13$0022/154500000003003_VI_ACa_000480_2013_Uz_2013-12-03_002.
An unofficial summary of this judgment is available at https://www.wipo.int/wipolex/en/text/596336.