When one party believes another party has infringed upon their exclusive rights to an invention, things can get pretty ugly as the claws come out and the court battles begin.
On April 26, 1976, one of the largest patent suits involving photography was filed in the U.S. District Court of Massachusetts. Polaroid Corporation, the assignee of numerous patents relating to instant photography, brought an action against Kodak Corporation for infringement of 12 Polaroid patents relating to instant photography. Read More
Eli Whitney failed to profit from his invention because imitations of his machine appeared and his 1794 patent for the cotton gin could not be upheld in court until 1807. Whitney could not stop others from copying and selling his cotton gin design. Read More
Elias Howe was the inventor of the first American-patented sewing machine. Howe fought a legal battle against other sewing machine inventors (including Isaac Singer) to see that his rights in the invention were recognized. Read More Photo Getty Images