Holding that a knowing plaintiff has an obligation to file promptly or lose his claim as "distinguished from a plaintiff who is unable to appreciate that he is being discriminated against until he has lived through a series of acts and is thereby able to perceive the overall discriminatory pattern."
Holding that statistics that "did not demonstrate that women received grade increases less often than men as a regular occurrence" failed to establish disparate impact
Holding that a practice of providing negative references to prospective employers with discriminatory motives "plainly would establish a severe constriction of job-market access.... erect artificial barriers that Congress endeavored to foreclose and ... is outlawed by Section 703."
Holding that three denied promotions over the course of three years, where the decisions were made by three different selection officials and involved different qualifications were not sufficiently related to constitute a continuing violation