SALT LAKE CITY -- The University of Utah says the HBO television series "Big Love" can't use the school's name or block 'U' logo without its permission.

University officials say they learned an episode of the show displayed a document with the school name and logo. They say the document made it seem like the university is affiliated with the program, which is about a fictitious polygamous family that lives in a Salt Lake City suburb.

In a statement issued Tuesday, university President Michael K. Young said the school won't tolerate misuse of its trademarks.

Young says Collegiate Images, the university's agent, has sent a cease and desist letter to HBO, demanding the logo be removed from the episode and not be used in the future.

HBO did not immediately respond to an e-mail seeking comment on Wednesday.