For three and a half years , patent claims by NTP , which is based in Arlington , Va. , have been a cloud over Research in Motion , based in Waterloo , Ontario .
Ontario /location/location/contains Waterloo
IN CD CC DT NN NNS , NN NNS IN NNP , WDT VBZ VBN IN NNP , NNP , VBP VBN DT NN IN NNP IN NNP , VBN IN NNP , NNP .
Ontario
LOCATION
Waterloo
LOCATION
/location/location/contains