When the Trump administration announced earlier this year that it would block New York state residents from participating in some programs meant to help Americans at international borders, attorneys with Arnold & Porter Kaye Scholer quickly came up with a way to challenge the policy.

Within 48 hours of the policy being announced, lawyers with the firm’s appellate and Supreme Court practice group charted a litigation strategy that would charge officials with violating the Administrative Procedure Act. Soon after, three New York residents hired the firm.