Post-IPR Estoppel: Printed Publication vs. Actual Product Shown in the Publication
Patently-O
SEPTEMBER 9, 2021
As is usual these days, ELCO turned-around and filed an inter partes review petition — challenging the patent’s validity based upon a 2011 product catalog (printed publication) that had featured the Hatteras lighting product. DMF sued ELCO Lighting in 2018 for infringing DMF’s U.S. 9,964,266. ”
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