In the Birdseye v. Schaeffer case of 1890, the U.S Supreme Court was tasked with resolving a dispute over patent rights. The plaintiff, Birdseye, claimed that he had been granted a patent for an invention related to refrigeration technology and accused Schaeffer of infringing on his patent rights by using this technology without permission. However, Schaeffer argued that Birdseye's claim was invalid because the patented invention lacked novelty as it had already been in public use for more than two years before the application date of his patent. After examining all evidence presented before them including expert testimonies and historical documents about prior uses of similar technologies, the court ruled in favor of Schaeffer stating that there were indeed previous instances where similar inventions were used publicly which invalidated Birdseye’s claims to exclusive ownership under his alleged patent.

The dissenting opinion in the Birdseye v. Schaeffer case argued that the majority's decision to uphold a lower court ruling, which found in favor of Birdseye, was incorrect. The dissenting justices believed that Schaeffer had not been given an adequate opportunity to present his side of the story and defend himself against Birdseye's claims. They also disagreed with the majority’s interpretation of certain legal principles related to property rights and contracts, arguing that these were misapplied by both the trial court and Supreme Court majority. Furthermore, they contended that this misinterpretation led to an unjust outcome for Schaeffer who should have prevailed based on their understanding of law as applied to facts presented during trial proceedings.