Under a one year pilot program, 30 U.S. law firms have agreed to adopt a policy that requires them to consider women and minority lawyers when it comes to promoting and hiring talent.

Senior in-house lawyers from HP, Facebook, PayPal, American Express, Target, Walmart, Microsoft and other companies have agreed to meet privately with beneficiaries of the program. [See the full list of law firms and companies involved below.]

The policy is titled the Mansfield Rule after the first U.S. woman lawyer, Arabella Mansfield, who was admitted to the Iowa bar in 1869 and spent her career as an educator...