The essay analyses Weber's writings, produced in his capacity as a jurist in the field of labour law. The author concludes that the positivist-formalist paradigm of law to which Weber subscribed, dating back to Habemas, is erroneous. On the contrary, it is true that Weber supported the valiant efforts of Lotmar in reinterpreting the law of contracts and obligations in the light of the intrinsic worth of human beings. This related to the fact that Weber was a sociologist, not so much of social phenomena but preeminently of social action. His studies investigated human behaviour, and Weber examined every possible impulse, religious, social or economic - including, consistently, legal.