We'll leave labeling of InterDigital to the individual -- whether you prefer patent troll or non-practicing entity, the semantics don't concern us. What does concern us, however, is the IP firm's ongoing legal battle with Nokia, and its recent victory over the Finnish manufacturer in the US Court of Appeals. The ruling reverses a previous decision handed down by the ITC that found Nokia did not violate InterDigital's patents, but the trio of judges hearing the appeal disagreed. The claims in question relate to 3G radios and networks -- the same patents that the firm used to target ZTE and Huawei. It doesn't appear that there will be any immediate repercussions for Nokia, either in the form of import bans or settlement fees. The Windows Phone champion is considering its next move, which may involve appealing the appeal.