MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202521004709 A) filed by Tata Consultancy Services Limited on January 21, 2025, for Method And System For Purchase Order Categorization Using Ensemble Algorithm.

Inventors include Varhadpande, Sarang Padmanabh; Punjabi, Pushpam Dharmesh; Ravat, Ammar Zoher; Chaugule, Anish Dilip; and Shaikh, Irshad Ibrahim.

The application for the patent was published on July 24, 2026, under issue no. 30/2026.

Abstract: ABSTRACT METHOD AND SYSTEM FOR PURCHASE ORDER CATEGORIZATION USING ENSEMBLE ALGORITHM A purchase order is a commercial document issued by a buyer. Conventional methods fails to categorize the purchase orders accurately by using item description alone. The present disclosure receives purchase orders associated with an organization and normalizes by expanding a plurality of acronyms using a large language model. A first category pertaining to normalized purchase orders is determined. A second category of normalized item descriptions are further obtained by selecting a local guided categorizer or a global guided categorizer based on the categorizer selection flag. Further, a final category is obtained based on the first category and the second category and a dynamic threshold value. Finally, the plurality of item descriptions of the plurality purchase orders are grouped based on an associated final category and vector embeddings using a grouping technique. The grouped plurality of item descriptions are updated in training dataset pertaining to a local categorizer. [

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