Apple landed a key decision in its civil lawsuit against Motorola in the US after Judge Richard Posner upheld the majority of a patent central to the case late this week. He mostly agreed with Apple’s interpretation of its touchscreen heuristics patent, limiting complaints mostly to the lack of specificity for certain gestures. Motorola made arguments to invalidate the patent that were unpersuasive, including an odd insistence that a patent construction claim was only valid at a 27-degree angle of touch that had only been used as an example….