In 2001, three current or former female employees of Wal-Mart Stores, Inc.—Betty Dukes, Christine Kwapnoski, and Edith Arana—filed a lawsuit in the Northern District of California alleging that the company had discriminated against them and other women in pay and promotions.
Wal-Mart, the nation’s largest private employer with approximately 3,400 stores across the country and more than one million employees, delegated pay and promotion decisions to local store managers who exercised broad discretion in a largely subjective manner. The plaintiffs claimed that this discretion was exercised disproportionately in favor of men, resulting in lower pay and fewer promotions for female employees.
They sought to represent a class of approximately 1.5 million current and former female employees who had worked at any Wal-Mart domestic retail store since December 26, 1998. To support their motion for class certification, the plaintiffs presented statistical evidence from experts Dr. Richard Drogin and Dr. Marc Bendick showing pay and promotion disparities between men and women, anecdotal evidence consisting of about 120 affidavits from female employees describing discriminatory experiences at only 235 of the company's 3,400 stores, and the testimony of sociologist Dr. William Bielby who analyzed Wal-Mart’s corporate culture.
Betty Dukes began working at a Pittsburg, California store in 1994 as a cashier and was later promoted to customer service manager before being demoted; she alleged retaliation and that male greeters were paid more. Christine Kwapnoski worked at Sam’s Club stores and claimed a male manager yelled at female employees and told her to “doll up.” Edith Arana worked at a Duarte, California store from 1995 to 2001. She was denied opportunities for management training despite repeated requests.
The District Court certified the class under Federal Rule of Civil Procedure 23(b)(2), finding that the plaintiffs had presented significant evidence of a company-wide pattern of discrimination. The Court of Appeals for the Ninth Circuit, sitting en banc, substantially affirmed the certification order. The Supreme Court granted certiorari to review whether the class certification was consistent with Rule 23(a) and (b)(2).
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