A state judge in California has dismissed [text, PDF] a case against Google alleging gender discrimination in pay and hiring practices.

The suit was brought by three female employees on behalf of all women employed by Google. It claims that the tech giant pays women and minorities less for similar work and puts them in positions less likely to lead to promotion than their white male counterparts.

The claim was dismissed on the grounds that the class was too vague and could not include all female employees. The judge gave the parties 30 days to file a new complaint restricted to employees who experienced the alleged discrimination. Counsel for the women involved planned to refile according the the judge’s request.

This case is part of a series of lawsuits and allegations concerning diversity and discrimination shaking up the tech industry. Microsoft, Twitter, and Oracle all currently face similar suits while Google is also the subject of a federal investigation on the matter. Google maintains that it has procedures [website] in place to prevent discrimination.