MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202641105982 A) filed by Saveetha Institute Of Medical And Technical Sciences on September 03, 2026, for Spam Shield A Privancy Preserving Android Application For Intelligent Sms Spam Detection.
Inventors include Ch. Ajay; Dr. Rama Arulmozhi; and Dr Ramya Mohan.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: The rapid increase in unsolicited and malicious SMS messages has led to rising risks of fraud, phishing, and user privacy violations, creating an urgent need for intelligent mobile-based spam detection systems. This invention presents Spam Shield, a secure Android-based application designed to automatically identify, classify, and manage spam and legitimate SMS messages using on-device machine learning techniques. The system analyzes incoming messages through a trained classification engine based on supervised machine learning classification algorithm such as Naïve Hayes to detect spam patterns with high accuracy. Messages are instantly categorized into Spam and Normal sections, enabling users to view, manage, and optionally reply to messages within a clean, swipe-based interface. The application supports real-time popup notifications, spam confidence scoring, and user feedback to continuously improve detection performance. Spam Shield operates with strict permission control and processes messages locally on the device, ensuring user privacy and eliminating dependency on external cloud services. Additional features include OTP-based authentication, dark mode support, notification management, and user-controlled message access. By combining intelligent spam detection, privacy- focused design, and an intuitive user interface, Spam Shield offers
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