A Doctrinal timeline shows how a legal principle has developed across a line of cases. Enter a doctrinal question or topic, and IAT Search assembles the relevant judgments in chronological order, indicating for each whether it establishes, applies, qualifies or departs from the principle, with a short summary of the doctrine's trajectory.

This is the fastest way to see, at a glance, where a doctrine started, how it shifted, and which decisions are the turning points.