By Elizabeth Whitsitt 5 January 2009 An ICSID tribunal has declined jurisdiction in a claim brought by a German firm against the government of Argentina, in a decision that marks the unpredictability over whether a claimant can invoke a Most-Favoured-Nation (MFN) clause to access an expedited arbitration process. The claimant, Wintershall Aktiengesellschaft, alleged that the … Sigue leyendo German firm fails to pass jurisdictional hurdle in claim against Argentina; decision provokes questions about the scope and applicability of MFN Protection