Network selection scheme using a roaming broker (rb)
CA 2545035 C · Owner: Blackberry Limited · Inventors: Buckley, Adrian; Carpenter, Paul; Alfano, Nicholas P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A network selection scheme operable in a network environment having one or more radio access networks (RANs) one or more core networks (CNs), and one or more service networks (SNs). Upon obtaining identity information of a particular network combination a wireless user equipment (UE) device is operable to register with a roaming broker (RB) whereby additional information may be provided to the device for facilitating appropriate network selection.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 26, 2006 and granted December 8, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 26, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.