From this time forward he was constantly employed in this capacity, and among the counties included in his circuits were Essex, Suffolk, Norfolk, Berkshire, Oxfordshire, and Cornwall.
He was frequently placed on commissions of oyer and terminer, and for other business, such as taking quo warranto pleas, and inquiring into the concealment of goods forfeited by the Jews.
In the parliament of 1290, as a consequence of Rochester's fall, numerous complaints were preferred against his conduct as a judge, one of them being from Abingdon Abbey, from which he had extorted a considerable sum of money to give to his brother Gilbert.
He already held the prebend of Chamberlain Wood in St Paul's Cathedral, and on the death of Thomas Ingoldsthorpe, Bishop of Rochester, in May 1291, he made fruitless efforts to induce the monks to elect him to that see.
According to Matthew of Westminster, the monks were avenged by the sudden death of their chief enemies, and the judges in terror sought their pardon, alleging that they had been ‘wickedly deceived by the wisdom of Solomon.’ Solomon himself was one of the victims; on 14 Aug. 1294 one Guynand or Wynand, parson of Snodland in Kent, entered Solomon's house, ate with him, and put poison into his food and drink, so that he died fifteen days afterwards.