 In the same year he took part in the careful review of the law of constructive treason This arose from the case of Hugh Pine who was charged with that crime for speaking words that were derogatory to the king's majesty.The result of Richardsons's review was to limit the offence to cases of imagining the king's death.He concurred in the guarded and somewhat evasive opinion on the extent of privilege of parliament which the king elicited from the judges after the turbulent scenes which preceded the dissolution of parliament on 4 March 1629.