MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641124747 A) filed by Vellore Institute Of Technology on October 19, 2026, for Divergence-Scoped Adaptive Re-Encryption For Model-Version-Driven Protection Of Nlp Detected Pii.

Inventors include Mohana Sundari L; Oorjaa Sonthalia; and Kaushik Sinha.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: A computer-implemented system and method are disclosed for selectively maintaining cryptographic protection of Personally Identifiable Information (PII) within a text corpus following an update of a machine-learning-based classification model. The system determines a per-span divergence between tagging ...