He would argue the winning side in ''Santa Clara County v. Southern Pacific Railroad Company'', a unanimous 1886 Supreme Court case that granted equal protection to corporations. The case would later serve as a forerunner to ''[[Citizens United v. FEC]]''. | He would argue the winning side in ''Santa Clara County v. Southern Pacific Railroad Company'', a unanimous 1886 Supreme Court case that granted equal protection to corporations. The case would later serve as a forerunner to ''[[Citizens United v. FEC]]''. |