Inventor
ALLEN ANDREW MICHAEL
US49 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN ANDREW MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BLACKBERRY LTD
40 patentsUS9510166B1Nov 29, 2016
Merging active group calls
BLACKBERRY LTD29 citations94
US9451421B1Sep 20, 2016
Method and system to authenticate multiple IMS identities
BLACKBERRY LTD22 citations92
US11297111B2Apr 5, 2022
Establishing a session initiation protocol session
BLACKBERRY LTD7 citations86
US11038930B2Jun 15, 2021
Providing session initiation protocol request contents method and system
BLACKBERRY LTD3 citations84
US10397282B2Aug 27, 2019
Providing session initiation protocol request contents method and system
BLACKBERRY LTD3 citations84
US10135885B2Nov 20, 2018
System and method for determining trust for SIP messages
BLACKBERRY LTD3 citations84
US9723029B2Aug 1, 2017
Providing session initiation protocol request contents method and system
BLACKBERRY LTD4 citations84
US9681000B2Jun 13, 2017
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD4 citations84
US9426301B2Aug 23, 2016
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD4 citations84
US9237198B2Jan 12, 2016
Providing session initiation protocol request contents method and system
BLACKBERRY LTD5 citations84
US9215143B2Dec 15, 2015
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD4 citations84
US11575718B2Feb 7, 2023
Providing session initiation protocol request contents method and system
BLACKBERRY LTD1 citations73
US11575719B2Feb 7, 2023
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD1 citations73
US11463487B2Oct 4, 2022
System and method for sharing a SIP communication service identifier
BLACKBERRY LTD1 citations73
US11082459B2Aug 3, 2021
System and method for determining trust for SIP messages
BLACKBERRY LTD2 citations73
US10587573B2Mar 10, 2020
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD2 citations73
US10389763B2Aug 20, 2019
Content disposition system and method for processing message content in a distributed environment
BLACKBERRY LTD1 citations73
US10243921B2Mar 26, 2019
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD2 citations73
US10187924B2Jan 22, 2019
System and method for managing emergency requests
BLACKBERRY LTD1 citations73
US10123182B2Nov 6, 2018
Merging active group calls
BLACKBERRY LTD2 citations73
US9913236B2Mar 6, 2018
Method and system to authenticate multiple IMS identities
BLACKBERRY LTD5 citations73
US9628965B2Apr 18, 2017
Merging active group calls
BLACKBERRY LTD4 citations73
US11956284B2Apr 9, 2024
System and method for determining trust for SIP messages
BLACKBERRY LTD0 citations63
US11888906B2Jan 30, 2024
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD0 citations63
US11659011B2May 23, 2023
System and method for determining trust for SIP messages
BLACKBERRY LTD0 citations63
US11196708B2Dec 7, 2021
Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration
BLACKBERRY LTD0 citations63
US10327113B2Jun 18, 2019
Distributed control of a push-to-talk session
BLACKBERRY LTD1 citations63
US10033771B2Jul 24, 2018
Personal network access control system and method
BLACKBERRY LTD1 citations63
US9769215B2Sep 19, 2017
Personal network access control system and method
BLACKBERRY LTD1 citations63
US9219764B2Dec 22, 2015
Personal network access control system and method
BLACKBERRY LTD3 citations63
US11637875B2Apr 25, 2023
Establishing a session initiation protocol session
BLACKBERRY LTD0 citations62
US9420447B2Aug 16, 2016
Content disposition system and method for processing message content in a distributed environment
BLACKBERRY LTD1 citations60
US10856359B2Dec 1, 2020
System and method for managing emergency requests
BLACKBERRY LTD0 citations52
US10841346B2Nov 17, 2020
Content disposition system and method for processing message content in a distributed environment
BLACKBERRY LTD0 citations52
US10631360B2Apr 21, 2020
System and method for managing emergency requests
BLACKBERRY LTD0 citations52
US10028110B2Jul 17, 2018
Distributed control of a push-to-talk session
BLACKBERRY LTD1 citations52
US9814082B2Nov 7, 2017
System and method for managing emergency requests
BLACKBERRY LTD0 citations52
US9462616B2Oct 4, 2016
System and method for managing emergency requests
BLACKBERRY LTD0 citations52
US9396225B2Jul 19, 2016
System and method for addressing a unique device from a common address book
BLACKBERRY LTD0 citations51
US11108833B2Aug 31, 2021
Crossed-invite call handling
BLACKBERRY LTD0 citations42
RESEARCH IN MOTION LTD
3 patentsUS8787371B2Jul 22, 2014
Providing session initiation protocol request contents method and system
RESEARCH IN MOTION LTD5 citations84
US8755765B2Jun 17, 2014
System and method for managing emergency requests
RESEARCH IN MOTION LTD11 citations84
US8352178B2Jan 8, 2013
Method and device for generating and communicating geographic route information between wireless communication devices
RESEARCH IN MOTION LTD15 citations77