. "\"Any process that activates or increases the activity of a phosphoprotein phosphatase.\" [GOC:mah]" . . "positive regulation of phosphoprotein phosphatase activity" . "up regulation of phosphoprotein phosphatase activity" . "up-regulation of phosphoprotein phosphatase activity" . "upregulation of phosphoprotein phosphatase activity" . . . . "activation of phosphoprotein phosphatase activity" . "stimulation of phosphoprotein phosphatase activity" .