In the case of Walter A. Wood Mowing and Reaping Machine Company v. Skinner, 1890, the U.S Supreme Court ruled in favor of Skinner. The dispute arose when Walter A. Wood Mowing and Reaping Machine Company sued Skinner for patent infringement on a certain type of mowing machine they had patented earlier. However, during the trial it was revealed that another similar machine had been in use prior to their patent application which invalidated their claim as per law stating that an invention cannot be patented if it has already been 'in public use or on sale' more than two years before applying for a patent. The court held that even though there were slight differences between both machines, these changes did not constitute any new invention but merely represented improvements over existing technology hence could not be protected under patents rights laws.

In the dissenting opinion for Walter A. Wood Mowing and Reaping Machine Company v. Skinner, the justice argued that the majority's decision was inconsistent with previous rulings of the court regarding patent law. The justice believed that a patentee has an exclusive right to all profits made from their invention during its term, regardless of whether they were directly involved in producing or selling it. They contended that if someone else uses this patented invention without permission, they are infringing on these rights and should be held accountable for any resulting damages - even if those damages exceed what would have been earned by direct sales alone. This view contrasts with the majority's ruling which limited recovery to only those profits lost due to infringement (i.e., sales diverted away from the patent holder). The dissenting justice felt this approach undervalued patents and undermined incentives for innovation.