His career continued to flourish and in January 1887 he was appointed as an extraordinary professor at the University of Kolozsvár (which had been founded in 1872), and in the following year he became an ordinary professor there. Filep writes in:
Kanyang karera patuloy na lumago at sa January 1887 siya ay hinirang bilang isang katangi-tangi propesor sa University of Kolozsvár (na kung saan nagkaroon na itinatag sa 1872), at sa mga sumusunod na taon na siya ay naging isang karaniwang propesor doon. Filep magsusulat sa: