MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202621069876 A) filed by Symbiosis International Deemed University on June 03, 2026, for Web-Based Electronic Signature Platform For Client-Side Pdf Document Signing Using Browser-Native Processing.
Inventors include Ankita Avthankar; Shreya Bawankar; Aditi Rajak; and Divyanka Sagolale.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: ABSTRACT WEB-BASED ELECTRONIC SIGNATURE PLATFORM FOR CLIENT-SIDE PDF DOCUMENT SIGNING USING BROWSER-NATIVE PROCESSING The present invention discloses web-based electronic signature platform (100) for client-side PDF document signing. The platform (100) comprises a web-based user interface module (110) rendered within web browser, a PDF processing engine (120) utilizing client-side JavaScript PDF manipulation library for in-browser PDF operations, a signature capture module (130) providing canvas-based freehand drawing and image upload modes for signature creation, a Base64 encoding and decoding engine (140) for converting document and signature data between binary and text-safe formats, a signature embedding module (150) for inserting signature images into PDF documents at user-specified positions using coordinate transformation, and a signed document generation and download module (160) for producing downloadable signed PDF files. All processing is performed entirely within the client-side browser environment using browser-native JavaScript without any server-side communication, software installation, or user registration, thereby ensuring complete data privacy, offline operability, zero-cost deployment, and cross-platform compatibility across desktop and mobile devices. [
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