A month after fact-discovery closed in a lawsuit about allegedly counterfeit Maui Jim sunglasses, the defendants — relying on decisions that distinguish between “trial depositions” and “discovery depositions” — asked U.S. Magistrate Judge Jeffrey T. Gilbert for “letters of request” under the “Hague Convention on the Taking of Evidence Abroad in Civil or Commercial Matters” so they could obtain testimony from three people (referred to as Witnesses A, B and C) who …