What allows a defendant to be held liable for infringement even though the subject matter he used contained elements that were not identical to those described in the patentee's claims of invention,but nonetheless,may be seen as equivalent to those of the patented invention?

Question

Quizplus · Accepted Answer

Under the doctrine of equivalents,a defendant may be held liable for infringement even though the subject matter he made,used,or sold contained elements that were not identical to those described in the patentee's claims of invention,if the elements of the defendant's subject matter nonetheless may be seen as equivalent to those of the patented invention.

What Allows a Defendant to Be Held Liable for Infringement