# Trade Mark Journal No.2025/051 19 December 2025

## UK00004305051 3 December 2025 (9,42)

Epistemic Drift Index (EDI)

Class 9
  “Computer software for calculating, visualising and reporting an epistemic drift index, namely tools that measure changes in reasoning, meaning, or interpretive state over time in artificial intelligence systems, communication networks and decision-support platforms.”.
Class 42
  “Scientific and technological services, namely the development and application of models and methods for measuring epistemic drift, semantic instability and changes in interpretive curvature in artificial intelligence and complex information systems.”.

Mebs Loghdey