Estonia : report 2016 - study question (patents)Kartus, Raul; Kukrus, AntsAIPPI yearbook 2016/ IV : 2016 AIPPI World Congress - Milan, September 16, 2016  - September 20, 2016 : Added Matter : The Standard for Determing Adequate Support for Amendments : working guidlines, group reports, resolutions2017 / p. 74-78 http://aippi.org/wp-content/uploads/2017/12/2016_Yearbook_41.pdf

Estonia : Report Q217 : The patentability criterion of inventive step/non-obviousnessKukrus, Ants; Kartus, RaulAIPPI yearbook 2011/II : Meeting of the Executive Commitee, Hyderabad 2011 (October 13-18) : working guidlines, group reports, summary reports, resolutions : special committee reports2012 / p. 119-123

Estonia : report Q244 [Online resource]Kartus, Raul; Kukrus, AntsYearbook 2015/I : 2015 AIPPI World Congress - Rio de Janeiro, October 10, 2015 - October 14, 2015. Q244,  Inventorship of multinational inventions : working guidelines, group reports, summary reports, resolutions2016 / p. 99-103 http://aippi.org/wp-content/uploads/2016/07/online_book_11.pdf

Marken und Verbraucherschutz (Berichte im Namen der Sowjetischen Landesgruppe)Kalinowsky, W.E.; Kukrus, AntsAssociation internationale pour la protection de la propriété industrielle. XXXIIe Congrès, Paris 1983 (23 - 27 mai 1983) : question 731983 / p. 377-382

The person skilled in the art in the context of the inventive step requirement in patent lawKukrus, Ants; Kartus, RaulYearbook 2010/I : AIPPI XXXXIIth Congress - Paris 2010 (3-6 October 2010)2011 / p. 463-466