In the case of Travis v. United States (1904), the Supreme Court ruled on a matter concerning import duties and tariffs. The plaintiff, Travis, was an importer who argued that he had been overcharged by customs officials for his imported iron lifters under the Dingley Act's tariff schedule. He contended that these items should have been classified as "iron in bars," which would carry a lower duty rate than what they were actually categorized as - "finished articles." However, the court disagreed with this argument. It held that since these iron lifters were ready for sale and use without requiring any further manufacturing processes or modifications, they could not be considered merely 'iron in bars.' Therefore, their classification under a higher duty category was justified. This decision reinforced the principle that goods are to be taxed based on their condition at time of importation rather than potential uses or alternate classifications.

In the dissenting opinion for Travis v. United States, Justice Harlan argued that the majority's interpretation of the Sherman Anti-Trust Act was too broad and could potentially criminalize innocent business activities. He contended that Congress did not intend to make every contract or agreement in restraint of trade illegal under this law, but only those which were unreasonable or oppressive. Furthermore, he believed that it was inappropriate for courts to determine what constituted a reasonable restraint on trade without clear legislative guidance. In his view, such decisions should be left up to lawmakers who are better equipped to balance competing economic interests and public policy considerations.