Patented Roofing Tech Was ‘Exceedingly Well Known,’ Petitioner Says

(October 30, 2023, 1:00 PM EDT) -- ALEXANDRIA, Va. — Pointing to a decision by the U.S. Patent and Trademark Office that “squarely rejected” claims of “identical scope” and “nearly-identical language” in a child application later abandoned, a petitioner for inter partes review (IPR) on Oct. 28 urged the Patent Trial and Appeal Board to follow suit and cancel various claims of the parent patent....

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