(legal, US) A legal rule in most patent systems that allows a court to hold a party liable for patent infringement when the infringing device or process does not fall within the literal scope of a pat
(legal, US) A legal rule in most patent systems that allows a court to hold a party liable for patent infringement when the infringing device or process does not fall within the literal scope of a patent claim, but nevertheless is equivalent to the claimed invention.
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(US, legal) A patent claim that identifies multiple functionally equivalent chemical entities allowed in one or more parts of a compound.
(US, legal) The combination, in a patent claim, of a novel device with conventional elements in a conventional manner.
(US, legal) A legal doctrine that limits the rights of a copyright or trademark owner by allowing certain forms of distribution, such as enabling individuals to sell legally purchased copyrighted works to others.
(US, legal) In United States patent law, the hypothetical individual whose likely knowledge determines whether an improvement on existing technology would be obvious, and therefore not patentable.