{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11461701","patent":{"patent_number":"US-11461701","title":"Method and apparatus for preventing model theft during model-based classification","assignee":null,"inventors":[],"filing_date":"2021-06-03T00:00:00.000Z","publication_date":"2022-10-04T00:00:00.000Z","cpc_codes":["G06N","G06Q","G06F","G06F","G06N","G06N","G06Q"],"num_claims":18,"abstract":"Embodiments of the present specification provide a method, apparatus, and electronic device for preventing model theft during classification using a service classification model. The service classification model is a deep neural network for predicting a category of a service object, including an input layer, multiple intermediate layers, and an output layer that are sequentially stacked. The method includes: obtaining feature information of a service object; inputting the feature information into the service classification model for initial prediction to obtain a category corresponding to a maximum initial prediction probability as a target category; determining, based on the target category, disturbance data corresponding to a target layer selected in advance from the input layer, the multiple intermediate layers, and the output layer; inputting the feature information into the service classification model for subsequent prediction, including adding the corresponding disturbance data to data to be input into the target layer; and outputting the target category and a maximum subsequent prediction probability. This can prevent model theft while ensuring that the prediction results are still usable."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for preventing model theft during model-based classification","description":"Embodiments of the present specification provide a method, apparatus, and electronic device for preventing model theft during classification using a service classification model. The service classific","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11461701","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11461701","citation_suggestion":"Patentable. \"Method and apparatus for preventing model theft during model-based classification\" (US-11461701). https://patentable.app/patents/US-11461701","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11461701","json":"https://patentable.app/api/llm-context/US-11461701","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:01:40.912Z"}