In the case of Paramount Publix Corp. v. American Triergon Corp., 1934, the U.S Supreme Court dealt with a patent dispute over motion picture projection technology. The plaintiff, American Tri-Ergon Corporation, claimed that Paramount had infringed on their patented sound-on-film system by using it in their theaters without permission or payment of royalties. However, Paramount argued that they were not infringing because they used a different method for synchronizing sound and film than what was described in the patent owned by American Tri-Ergon Corporation. The court ruled in favor of Paramount stating that while both systems achieved similar results (synchronized audio and visual), they did so through fundamentally different methods; therefore no infringement occurred as per law which states an invention is defined not only by its function but also how this function is accomplished technically. This decision emphasized the importance of technical process details within patents and set precedent for future cases involving technological similarities where differences lie primarily in methodology rather than end result.

In the dissenting opinion for Paramount Publix Corp. v. American Triergon Corp., Justice Stone argued that the majority's decision to uphold a patent infringement claim was flawed due to lack of evidence demonstrating actual use or sale of the patented invention in question within two years prior to filing for patent protection, as required by law at that time. He contended that mere preparation or intent should not be sufficient grounds for establishing "use" under this statute and warned against setting such a precedent which could potentially encourage fraudulent claims and stifle innovation. Furthermore, he disagreed with the majority's interpretation of what constitutes an "invention," asserting it should involve more than just combining existing technologies without any novel contribution or improvement.