Social and technological change forces courts to extend or revise common-law principles.

Evidence

Social and technological changes have created new problems that require the courts to extend or modify common-law principles. New social relationships have developed that must be taken into account in applying common-law principles. New aspirations have emerged, and the law must be sufficiently flexible to permit their fulfillment. — G. Alan Tarr, Judicial Process and Judicial…, 2813

Categorization

• XREF: Connects to the course theme that competing understandings of values like fairness and equality drive doctrinal change over time. — connects to: American judges reshaped inherited common law to fit democracy and industrialization — G. Alan Tarr, Judicial Process and Judicial…, 139
• DEFINE: Frames common-law principles as living rules that must be modified rather than fixed, a key premise for judge-made law.