DePauw has a response on its web site:
http://www.depauw.edu/news/index.asp?id=19185
The response quotes Ken Owen, a media relations person at DePauw:
"We are disappointed in Delta Zeta's decision to initiate legal action. We believe that this lawsuit completely lacks merit and have every confidence that the courts will determine that the University acted lawfully and in the best interests of its students."