How can I identify a harmonized subclass in the USPC?
Harmonized subclasses in the U.S. Patent Classification System (USPC) are easily identifiable by specific designations following the subclass title. According to the MPEP: “Subclasses that have been harmonized have a designation of “EPO,” “JPO,” or “EPO/JPO” in parentheses following the subclass title to indicate if the subclass has been harmonized with the EPO or JPO…
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