Mag. Constantin Kletzer
Burden of proof in the case of trade mark exhaustion in a selective distribution system
ad OGH 4 Ob 52/23k, Parfümware
in GRUR-Prax 2024, 9
Mag. Alexander Schnider, LL.M. (Sydney), Mag. Constantin Kletzer, Ing. Mag. Rainer Schultes
International Comparative Legal Guide – Patents 2023
Austrian contribution to International Comparative Legal Guide – Patents 2023
Mag. Constantin Kletzer
ICLG, The International Comparative Legal Guide to: Patents 2014 – Austrian Chapter
Constantin Kletzer and Sabine-Katharina Andreasch; This article appeared in the 2014 edition of The International Comparative Legal Guide to: Patents; published by Global Legal Group Ltd, London.
Mag. Constantin Kletzer
PLC Cross-Border IP in Business Transaktions Handbook 2012/2013
Austrian Chapter Country Q&A and Austrian Chapter Main IPRs, Constantin Kletzer and Kristina Hesse, London 2012
Mag. Constantin Kletzer
PLC Cross-Border Life Sciences Handbook 2012 – Austrian Chapter
Constantin Kletzer and Karina Hellbert, London 2012
Mag. Constantin Kletzer
Urheber- und Verlagsrecht
in Knauder/Marzi/Temmel, Handbuch Wirtschaftsverträge, Kommentierte Vertragsmuster, Lexis Nexis 2012
Mag. Constantin Kletzer
Extent of Accounting for Unlawfull Use of a Sign Right
Glosse zu OGH 17 Ob 21/09a, ÖBl 2010, 275, Manpower VIII
Mag. Constantin Kletzer
Erstellung und Nutzung von Pressespiegeln
Constantin Kletzer und Martin Boba, der photograph, Die Seite des Innungsmeisters, 2009/11, 10