Centrotherm Systemtechnik v OHIM and centrotherm Clean Solutions TITJUR Opinion of Advocate General Sharpston delivered on 16 May 2013. # Centrotherm Systemtechnik GmbH v Office for Harmonisation in the Internal Market (Trade Marks and Designs) (OHIM). # Appeal - Revocation proceedings - Community word mark CENTROTHERM - Genuine use - Evidence - Sworn statement - Burden of proof - Examination of the facts by OHIM of its own motion - Additional evidence adduced before the Board of Appeal - Regulation (EC) No 207/2009 - Articles 15, 51 and 76 - Regulation (EC) No 2868/95 - Rule 40(5). # Case C-610/11 P.