doctrine of equivalents
- A legal rule in patent law that holds an invention as infringing when it fulfills similar functions in a similar way to achieve similar results as a patented invention, assessed individually for each element of the patent claims
- The company was sued for violating the doctrine of equivalents by developing a product that behaved too similar to the patented invention.
- Under the doctrine of equivalents, the new smartphone app was deemed infringement as it presented no structural difference from the patented software.
- The doctrine of equivalents was applied to judge the patent conflict between the two tech firms.