In the 1895 case of Union Pacific Railway Company et al. v. Chicago Rock Island & Pacific Railway Co., the U.S. Supreme Court dealt with a dispute between two railway companies over rights to use certain tracks and facilities in Council Bluffs, Iowa. The Union Pacific Railway Company claimed that it had exclusive rights based on an agreement made in 1867 with another company, which was later acquired by the Chicago Rock Island & Pacific Railway Co.. However, this claim was disputed by the latter who argued they also had rights to use these facilities due to their acquisition of said company. The court ruled against Union Pacific stating that while its original contract did grant some exclusivity, it didn't prevent other companies from gaining access through subsequent agreements or acquisitions as long as there were no explicit restrictions stated in the original contract. This decision upheld principles of fair competition and clarified how contractual obligations can be transferred during corporate mergers or acquisitions.

In the dissenting opinion for Union Pacific Railway Company et al. v. Chicago Rock Island & Pacific Railway Co., Justice Brewer argued that the majority's decision was inconsistent with previous rulings and failed to consider important factors in railway law. He contended that a railroad company, having received land grants from Congress, should not be allowed to lease its line without explicit Congressional approval as it would essentially transfer public property into private hands without proper oversight or compensation. Furthermore, he disagreed with the majority's interpretation of "operation" under federal law, arguing that leasing a railway is fundamentally different from operating one because it involves transferring control over infrastructure and resources rather than simply managing them on behalf of another party. Finally, Justice Brewer expressed concern about potential anti-competitive effects if larger railroads were permitted to absorb smaller ones through leases.