Patent of scientific research is one important aspect which reflects the fruits of scientific researches
and patent application itself is one of the most important scientific researches as well
whereas it has not been paid enough attention for a long time in scientific literature.We analyze data mining patent grant in us patent trademark office database
which is authoritative in the world.We introduce some typical patents in the fields which are concerned with most patents
including association rules
web mining
clustering algorithms
and parallel data mining etc.In the end
we present data mining topics which are currently blank in the field of data mining patent.