sentences:  He was created serjeant-at-law in 1589, served as Queen's Serjeant from 1598 to 1602, and was Lord Justice of the Court of King's Bench from 1602 to 1612.Yelverton was an excellent technical lawyer and was regarded as a good judge, one of the few to escape criticism by Sir Robert Cecil, principal secretary, in his memorandum on the state of the judicial bench in 1603.As Queen's Serjeant he led the prosecution in Westminster Hall on 19 February 1601 of those involved in Essex's rebellion.