H.R.6459: To establish an adoption process improvement pilot program.

Adoption Improvement Act of 2007 - Directs the Secretary of Health and Human Services to carry out a pilot program of grants to child welfare agencies to effect long-range improvements in the adoption process by increasing prospective adoptive parent access to adoption information and strengthening agency responsiveness to prospective adoptive parents.

Requires the Secretary also to: (1) research, through grant or contract, the successes and challenges of the programs established under the pilot program grants; and (2) include in the national annual review of child welfare agencies an examination of each state's progress regarding adoption information accessibility and agency responsiveness to prospective adoptive parents.