If parents in Illinois change their minds about putting a child up for adoption, they have 12 months to try to legally revoke that choice.And a new appellate court precedent says that one-year window is a hard and fast deadline — even if lawyers in the case may have conflicts of interest.A 5th District Appellate Court decision published last week says the Illinois Adoption Act’s 12-month statute of limitations on trying to revoke surrenders of custody is ironclad. Courts had already ruled it applied in …