Palo Alto Networks Again Takes Aim At Rival’s Patent In New Petition

(September 7, 2023, 10:26 AM EDT) -- ALEXANDRIA, Va. — A method of filtering data transfers that prevents “exfiltration” would have been obvious to a person of skill in the art, Palo Alto Networks Inc. maintains in its latest petition for inter partes review (IPR) of a patent it previously challenged unsuccessfully....

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