A former Texas State University professor has filed a federal lawsuit against the university alleging he was improperly fired and stripped of tenure, citing violation of his right to due process among other wrongs.

Dr. David Wiley was fired by the university in February amid accusations of sexual misconduct. The Board of Regents also at that time approved revoking his tenure in the department of Health and Human Performance.

The action, which was filed June 2 with the Western District of Texas, na...