Patent application 14613607 (US), filed 2015-02-04
Publication number: US20150148079A1
Title: Location Derived Presence Information
CPC codes: H04W   4/029
H04L  67/52
H04L  67/04
H04W   4/025
Office action: rejection, dated 2015-10-15
Rejection reasons: indefiniteness_112
double_patenting
Final disposition: pending (2015-10-15)