Since other answers mention cases which were not financially motivated, here is another one:
Gutkin v. University of Southern California (2002)
The document below concerns the complaint Eugene Gutkin filed in 2001 against University of Southern California, which dismissed him in 2000. He appealed the decision and sought damages, but lost the case. I will quote the paragraph describing the circumstances of his dismissal; the full text is here:
"Gutkin's complaint alleged that he was a tenured professor of mathematics at the University. In the wake of a dispute over the University's requirement that Gutkin teach extra classes to "make up" for classes he had not been able to teach in the fall 1995 semester, the University initiated dismissal proceedings against Gutkin in October 1996. But Gutkin's dismissal hearing was not scheduled to take place until early December 1998, because, according to Gutkin, "[i]t took [the University] longer than anticipated to effectuate the deceptive alterations to the [faculty] [h]andbook" that would govern the "rigged [dismissal] procedures," and the University "dragged its feet." Gutkin further alleged that by December 1998, "[the University] had not finished its tampering, so the deceptively altered [h]andbook was not ready for posting on the Internet by the time of the scheduled hearing. . . . Consequently, [the University] unilaterally postponed the hearing until February 26, 1999."
The dismissal procedure outlined in the faculty handbook required a hearing before a panel of Gutkin's faculty peers. According to Gutkin, the panel selection process set out in the revised faculty handbook constituted a "charade of impartiality" that resulted in a "sham dismissal procedure." In March 1999, the faculty panel issued a recommendation to the president of the University that found that Gutkin had engaged in "serious neglect of duty," a ground for termination in the faculty handbook. The president of the University terminated Gutkin in March 2000 for "serious neglect of duty," as found by the faculty panel."