Grant and Grant, established in 1943 by Louis Z. Grant, is considered one of the oldest matrimonial law firms in the State of Illinois. The firm has represented prominent men and women and is responsible for higher court decisions that have helped to shape Illinois matrimonial law. The principals, Burton F. Grant and Joan C. Grant, a unique husband and wife team recognized as experts in matrimonial law, have been frequently called upon to lecture for the major bar associations.