Legal Dictionary of Pakistan
Quick lookup for English, Urdu, and Latin legal terms used in Pakistani jurisprudence.
doctrine of substantial equivalents
See DOCTRINE OF EQUIVALENTS.
substantial equivalent
Patents. The same essential thing as the patented item, so that if two devices do the same work in substantially the same way, they are equivalent, even though they differ in name, form, or shape. - Also termed substantial equivalent of a patented device.