FAQ: Partial infringement of a claim

What if only part of a claim is infringed and not the rest? — Unless the whole claim is infringed, there is no infringement.

For a claim to be infringed, every limitation (i.e., element or step) of the claim has to have a corresponding element (or step, if it is a process) of the accused product or process. Unless there is at least one claim that is infringed, there is no infringement of the patent.

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