Complex sentence: Soon, Radivojević claimed that he never made a request for resignation, in order he could vote for SDP's proposal, however, in July, a court expert, found his signature on request for resignation authentic.
Split into simpler sentences: Soon, Radivojević claimed that he never made a request for resignation, so that he could vote for SDP's proposal. However, in July, a court expert found his signature on the request for resignation authentic.