China Patent Information Research System Search Counter£º

Search formula for Priority is to input in the Line H.

Format: Priority is a alphanumeric string.

Right trancation can be used for search in an interval.

For Example: US1000 indicates from US10000000 to US100099999

For a complicated search in which more than one Priority is involved, boolean operators, "+', "*" and "-", can be used.

For Example: US1000*(DE1000+JP891002)

If search in this entry is carried out successfully, the hits will be shown at the most right column of this line, otherwise the error message will be shown instead.


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