Extract to table

3-1 Infringement Contentions (served September 16, 2024) and the risks that must be addressed in Dr

Monolithic integration on the silicon substrate: The amended claim specifies that the entire coherent detection module — including the polarization-splitting optical hybrid mixer, the output ports, and the transimpedance-amplified balanced photodetector pairs — must be "monolithically integrated on the silicon substrate

Under this rule, the doctrine of equivalents must be applied on a limitation-by-limitation basis; no claim limitation may be read out of the claim entirely

at 29 ("each element contained in a patent claim is deemed material to defining the scope of the patented invention, and thus the doctrine of equivalents must be applied to individual elements of the claim, not to the invention as a whole")

The patentee must provide objective evidence sufficient to overcome the presumption; bare attorney argument is insufficient

To evaluate this exception, we must compare the rationale for the amendment with the nature of the accused equivalent