On February 12, the U.S. Patent and Trademark Office entered a notice of intent to issue an ex parte reexamination certificate on a patent owned by Opticurrent, LLC, which will confirm all challenged patent claims without any amendments or changes to the specification and drawings. The USPTO’s notice brings an end to a patent battle in which Opticurrent argued that Power Integrations engaged in some unusual gamesmanship to challenge the validity of patent claims asserted against it in district court.
Opticurrent Survives Reexam, Moves Forward with CAFC Appeal on Damages
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