Proceedings carried out so far with the questioned witnesses, including judge Łukasz Piebiak, did not reveal any factual or legal grounds to launch disciplinary inquiries or present disciplinary charges regarding the alleged misconduct - the Disciplinary Spokesperson for the Common Courts Judges, Piotr Schab, said on Friday. He was referring to the hate campaign scandal aimed to discredit certain judges, that was allegedly orchestated by employees of the Ministry of Justice.