by Maria Laura Marceddu, School of Law, King’s College London Over the last years, as discussed on this blog (see here), there have been many interesting developments in the field of transparency in investor-State arbitration: the 2006 ICSID amendments, the 2013 UNCITRAL Rules on Transparency in Treaty-based Investor-State Arbitration (“the 2013 UNCITRAL Rules”) (see here), and…