Hamamatsu Asks Full Fed. Circ. To Reconsider Patent Transfer

Law360 (January 7, 2021, 3:50 PM EST) -- Japanese company Hamamatsu urged the full Federal Circuit to revisit a decision ordering it to transfer its foreign patents on "black silicon" technology to Harvard University-backed SiOnyx LLC.

In a rehearing petition filed Wednesday, Hamamatsu Photonics KK said that a Federal Circuit panel in December "overlooked or misapprehended" a Massachusetts federal judge's injunction barring Hamamatsu from making or selling products that "practice" the disputed patents.

Hamamatsu argued that circuit precedent requires that such injunctions require specificity to a "particular, adjudicated" product — something that the lower court failed to do, it said. Because the panel affirmed the injunction "without addressing its...

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