Process For Producing Marine Fuel Oil Not Patentable, Petitioner Says

(July 13, 2021, 12:48 PM EDT) -- ALEXANDRIA, Va. — A low-sulfur heavy marine fuel oil (HMFO) that complies with standards governing marine fuels is unentitled to patent protection, a petitioner for inter partes review (IPR) told the Patent Trial and Appeal Board on July 12....

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