Monitor Prawniczy no. 23/2015 Inventory listing – a new institution of the inheritance law Konrad Osajda Interpretative Problems Concerning the Statutory Warranty on Goods Sold Arising from the Amendment of the Polish Civil Code Coming Into Effect on 25th December 2014 Maciej Koszowski Several remarks concerning constitutional protection of family Adrianna Siostrzonek-Sergiel Effectiveness of appointment of a representative ad litem by a mentally disturbed person Marcin Walasik Admissibility of the proceedings and the object of court findings in a case for establishing defendant’s liability in class action Paweł Grzegorczyk On determining the amount of compensation for a non-material loss Beata Janiszewska Removal of formal defects of the statement of claim after an objection against an order for payment issued under the electronic writ of payment proceeding has been lodged Tadeusz Zembrzuski Leksykon tajemnic Grażyna Szpor, Agnieszka Gryszczyńska The duty of secrecy of a detective and an economic operator conducting a detective services business Agnieszka Gryszczyńska Ban on using confessed information as evidence as compared with selected secrecies in the Polish legal order Marcin Wielec