Furler was born in Lahr in the Baden portion of the Black Forest.

After graduating from Lahr Grammar School, Furler studied law in Freiburg in Breisgau, Berlin and Heidelberg.

In December 1928, he passed the assessor's examination and first worked as an advocate in Pforzheim.

In 1940, the University appointed him extraordinary professor for industrial property and copyright.

In 1952, Furler joined the Christian-Democratic Union and was soon elected chairman of the economic council of the party's Baden branch.