A federal judge ruled Thursday that part, but not all, of former staff attorney Yolanda Young’s race discrimination suit against Covington & Burling may move forward.

In a 25-page opinion, Judge Reggie Walton of the U.S. District Court for the District of Columbia shot down on procedural grounds Young’s allegation that the firm’s policy of not promoting staff attorneys to associate was discriminatory. Young had argued that by not promoting staff attorneys, whom she claims are disproportionately black, the firm had instituted a discriminatory policy.