 c.76) which started the process of rationalising the English courts, until then still hampered by much medieval practice, and creating the modern system.Jervis was elected Liberal Member of Parliament for Chester in 1832 and held the seat until he became a judge in 1850.Jervis was never overly concerned with local politics and was distant as a constituency MP, even being censured in the Liberal "Chester Chronicle" for his inaction over the River Dee Bill and his overly-insistent attempts to ensure that his son was nominated as candidate in his stead when he stood down.