When was Harvard Law School established and why was it influential?

Harvard Law School was established in 1817, becoming the first university-based law school in the United States.1

It became highly influential by pioneering practices that defined modern American legal education. Under the leadership of dean Christopher Columbus Langdell, the school transformed the study of law from a leisurely process into a rigorous academic discipline. Key contributions include:2

• The Case Method: Langdell devised this pedagogical approach, which requires students to read and analyze original legal authorities to derive principles for themselves. This method eventually became the standard in American law schools.21
• Academic Standards: Harvard instituted mandatory courses, regular examinations, and fixed requirements for the bachelor of laws (LL.B.) degree.2
• Professional Faculty: The school shifted toward employing a full-time faculty of scholars rather than relying on part-time practicing lawyers.1
• Structured Training: Harvard established the requirement that students complete three years of training, a model that helped shape the professionalization of the legal bar.1