Jan-Reinard Sieckmann, Dr. jur., Professor of Legal Theory and Philosophy of Law at the University of Erlangen-Nuremberg, studied Law and Philosophy at the University of Göttingen, Doctorate at the University of Göttingen 1988, Habilitation at the University of Kiel 1997. Main fields of research: legal philosophy, argumentation theory, human and constitutional rights.

Constitutional Rights, Proportionality, and Argumentation.- The Role of Morality in Balancing Constitutional Rights.- Constitutional discretion and proportionality: the positivistic weight formula.- Proportionality and meta-weighing of reasons.- Limited Balancing. The Principle of Human Dignity and its Inviolability.- Balancing Rights and Interests. On Schauer's Asymmetry Thesis.- To Balance or not to Balance: The Quest for the Essence of Rights.- An argument for the proportionality test in concrete: challenging the margin of appreciation doctrine from a gender perspective in intersection with poverty.- Proportionality Test and Constitutional Social Rights Adjudication.- "Thou shalt balance" - Making sense of the delegation of the proportionality testing to the end users of law¿.