Applicants Jack J. Grynberg, Grynberg Production Corp. (TX), Grynberg Production Corp. (CO), and Pricaspian Development Corp. (collectively, "Grynberg") bring this application for an order under 28 U.S.C. § 1782 to conduct discovery for use in civil proceedings in Switzerland (the "Swiss Proceedings"). Grynberg seeks permission to serve document subpoenas on James Giffen, the Mercator Corporation, and Cooley LLC, as well as a deposition subpoena on Giffen. The defendants in the Swiss Proceedings-Phillips 66 GmbH, Total (Suisse) S.A., and Eni Suisse S.A. (the "Swiss Defendants")-oppose the application. For the reasons that follow, Grynberg's application is denied....