In the case of United States ex rel. Lowry and Planters Compress Company v. Allen, Commissioner of Patents in 1906, the Supreme Court was asked to decide whether a patent could be issued for an invention that had been used publicly for more than two years prior to its application date. The petitioner argued that because he had not sought profit from his invention during this period, it should not count as public use under patent law. However, the court disagreed with this interpretation and upheld the decision of lower courts denying him a patent on these grounds. The court ruled that any public use or sale of an invention more than two years before applying for a patent would disqualify it from being patented - regardless if there were profits made or not during this time frame. This ruling reinforced existing interpretations of U.S Patent Law at that time which aimed to prevent inventors from extending their monopoly over inventions by delaying their applications after they have already begun benefiting from them publicly.

The dissenting opinion in the case of United States ex rel. Lowry and Planters Compress Company v. Allen, Commissioner of Patents, argued that the patent should not have been granted because it did not meet the requirement for novelty or non-obviousness. The justice believed that a person with ordinary skill in this field would find it obvious to combine these elements to achieve the result claimed by Lowry's invention. Furthermore, he pointed out that there were previous patents and public use instances which involved similar mechanisms as those used by Lowry's device; hence they could be considered prior art invalidating his claim for novelty. He also disagreed with majority’s interpretation of what constitutes an 'invention', arguing instead for a stricter definition requiring more than just new application or combination of existing principles or devices.