This post was originally published on 18th December, 2011. Bayer and Cipla have recently settled trade mark litigation with respect to Advantage and Advantix trade marks.  These trade marks were registered by Bayer at the USPTO and are being used for veterinary products. Cipla has been marketing one of its pet products under the trade mark, DA Double Advantage with the aid of an online supplier called Archipelago. Aggrieved by Cipla's actions, Bayer filed a suit in a US court…