British Telecom has lost an appeal court revisit to its patents dispute with US broadband management specialist Assia, damages are yet to be set, but this round was a serious reversal for BT, since the appeal court added another patent breach to the first court room result. Our first heads up came from the legal practice Wragge Lawrence Graham & Co which acted for Assia in the case and then we had an email exchange with Assia and read the verdict. In December last year the first British Court found BT guilty saying that BT’s Rate Adaptive Management Box (RAMBo), which monitors and controls its DSL lines, infringes upon one Assia patent Assia’s DSL Expresse software is already used to…