(KTVI - FOX2now.com) - There's a big legal challenge for a small company created by a Mizzou student. The challenge comes from clothing maker "North Face." Jimmy Winkelman created "South Butt" as a parody of the much larger "North Face." But now he's being sued. Trademark lawyer, Paul Fleischut has been studying the case since March and explains.

*Fleishut is not involved with the North Face/South Butt case.
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