In the 1924 case of Panama Railroad Company v. Rock, the U.S Supreme Court ruled in favor of the defendant, Mr. Rock. The plaintiff, Panama Railroad Company had appealed a decision from a lower court that awarded damages to Mr. Rock for injuries he sustained while working on one of their steamships which was docked in New York Harbor at the time of his injury. The company argued that they were not liable under maritime law because their ship was within territorial waters and therefore subject to local laws rather than maritime ones when the incident occurred. However, Justice McReynolds delivered an opinion stating that despite being within harbor limits or tied up at a wharf, such vessels are still part of marine commerce and thus fall under admiralty jurisdiction as per federal statute (46 USCA § 740). Therefore, it did not matter whether state laws could have been applied; what mattered is if federal law could be applied - and in this case it certainly could be. The ruling clarified jurisdictional issues related to accidents occurring aboard ships docked within territorial waters and reinforced workers' rights to seek compensation for workplace injuries under applicable federal statutes.

The dissenting opinion in the case of Panama Railroad Company v. Rock argued that the majority's decision to hold the railroad company liable for damages was incorrect. The dissent believed that there were insufficient grounds to establish negligence on part of the railroad company, and thus it should not be held responsible for Mr. Rock's injuries. They contended that while safety precautions are necessary, they cannot guarantee absolute security from accidents or mishaps; these are inherent risks associated with employment in such industries. Furthermore, they pointed out inconsistencies within testimonies provided by witnesses which cast doubt on their reliability and credibility - factors crucial in determining liability based on negligence claims.