Whether a patent encompasses technology used by BCE Inc.’s IPTV service will be a central issue as a patent case two-plus years in the making gets its date in court Tuesday. The Federal Court in Toronto was scheduled to hear the patent infringement case brought against Bell, and its Atlantic Canada arm Bell Aliant, by television providers MediaTube Corp. and NorthVu Inc. The statement of claim was initially filed on April 23, 2013. At issue is patent 477, which the plaintiffs allege to be theirs and under use by Bell in its IPTV products. The system...