Increasing insolvency requests to Rospatent demand improvements to be made to its data retrieval system. The authors discuss the general schemes of information system operation in processing queries received on paper, via email, or feedback platform. The main three drawbacks of technologies working simultaneously were identified. Their analysis enabled to enhance Rospatent information system and to allow insolvency officers to search independently for registered patentee (author) intellectual property items within the procedure of bankruptcy of legal entities and individuals. Fast information retrieval and reference generation (response time up to 3 sec); unauthorized data access and DoS attacks prevention; scalability for extensive queries; consistent 24/7 operation; correct operation with main browsers (Chrome, Firefox, Safari, Edge); intuitive and user-friendly interface are among the functional characteristics of the implemented information systems.