Only man on the job? That doesn't prove discrimination.

• Position: Legal Briefs

Being the only male among a group of female employees is not enough to win a sex discrimination lawsuit.

Recent case: Kevin was hired as a part-time employee in an apartment complex leasing office. He performed clerical tasks and helped current and prospective residents. He was the only man in the office. He was fired after just three months and sued, alleging that he must have been the victim of sex discrimination because he was the only man on staff.

The court quickly dismissed the case. Workers need more than an...