Mealey's (April 26, 2022, 1:39 PM EDT) -- ALEXANDRIA, Va. — In an April 25 petition for inter partes review, Meta Inc. maintains that a patent that recites a process of presenting advertisements to a website user based on the user’s previously visited websites relies on “well-known technology” such as “tagging” and “cookies” that are “conventionally used for tracking user activity on the World Wide Web.”...