Isgren will be present while Assange, who has been holed up at the embassy since 2012, is questioned by an Ecuadoran prosecutor over a 2010 rape allegation in Sweden that the activist has repeatedly denied.
Advokāts arī pavēstīja, ka viņa klients ir gandarīts par iespēju pierādīt, ka viņš nav vainīgs, un cer, ka izmeklēšana pēc tam tiks slēgta.