PTAB Lops Off 10 Of 11 Claims From Fiber Optic Patent

By Britain Eakin (June 24, 2021, 4:19 PM EDT) -- The Patent Trial and Appeal Board has invalidated the bulk of claims in an Oyster Optics LLC fiber optic patent challenged by Infinera Corp., coming about a month after the parties settled parallel litigation in Texas federal court.

In a Tuesday decision, the PTAB nixed 10 of 11 claims that were at issue in the inter partes review. While the decision won't affect the Infinera case in light of the settlement deal, it could affect a separate case in the Eastern District of Texas in which Oyster asserted the same patent against Cisco Systems Inc. in June 2020. Cisco was joined...

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