What began more than three years ago as a $350-million claim of patent infringement against BCE Inc. devolved into a pale imitation of its former self and will lead to plaintiffs MediaTube Corp. and NorthVu Inc. paying for the whole affair, according to a decision from a Federal Court judge. TV providers MediaTube and NorthVu claimed Bell and its Atlantic Canada arm Bell Aliant used their patent 477 — which allows TV signals to be more efficiently...