Telecom Innovation Center, China Telecom applies for patents related to legal intelligent Q&A, with dynamic adaptation and multi-source fusion, delivering precise answers to legal questions

April 2 News, the State Intellectual Property Office information shows that China Telecom Corporation Limited’s Technology Innovation Center and China Telecom Corporation Limited have applied for a patent titled “Legal Intelligent Question-and-Answer Method, Device, System, and Related Equipment.” The application publication number is CN121765057A, the application number is CN202610002774.0, the publication date is March 31, 2026, the application date is January 4, 2026, the inventor is Liu Yan, the patent agency is Beijing Lawzhi Intellectual Property Agency Co., Ltd., patent agent Hou Tianyin, classification numbers G06F16/3329, G06F16/334, G06F16/36, G06N5/022.

The patent abstract indicates that this disclosure provides a legal intelligent question-and-answer method, device, system, and related equipment, involving artificial intelligence technology. The method includes: receiving a legal question text input by the target user; obtaining scene tags for the legal question text and the target user’s historical interaction data; generating a scene-specific question feature vector based on the legal question text, scene tags, and historical interaction data; retrieving multiple knowledge bases in parallel based on the question feature vector to obtain candidate answers, where the knowledge bases include at least one of: a legal provisions database, case database, practical guidelines database; optimizing the candidate answers to obtain the solution content for the legal question text. This disclosure achieves precise understanding of legal questions through dynamic scene adaptation and multi-source knowledge fusion, providing more professional and practical legal answers.

Tianyancha data shows that China Telecom Corporation Limited’s Technology Innovation Center was established on September 17, 2010, with Zhang Chengliang as legal representative. It operates in the software and information technology service industry, with registered capital and paid-in capital unspecified. Its registered address is Room 1118 and Room 1116, 11th Floor, China Telecom Beijing Information Technology Innovation Park, South Area, Future Science and Technology City, Beiqijia Town, Changping District, Beijing. The center has invested in zero enterprises, participated in 89 bidding projects, has zero trademark information, 4,701 patents, and holds three administrative licenses.

Recent patent applications by China Telecom Corporation Limited’s Technology Innovation Center include:

(Note: The list continues with additional patents, but for brevity, only the first 15 are shown here.)

China Telecom was established on September 10, 2002, and listed on the Shanghai Stock Exchange on August 20, 2021. Its registered and office address are both in Beijing. It is a leading domestic telecom operator, with core businesses including fixed-line and mobile telecom services, possessing strong network and technological advantages.

China Telecom Corporation Limited is an investment holding company engaged in telecom and related businesses, providing fixed-line and mobile telecom, internet access, and comprehensive information services mainly within the domestic market. Its industry classification is “Communication - Telecommunication Services - Telecom Operators,” with concept sectors including Telecom Operations, Quantum Technology, and Low Cost.

In 2025, China Telecom’s operating revenue was 523.92B yuan, ranking 2nd/3rd in the industry, below China Mobile’s 1,050.187 billion yuan, with an industry average of 655.45B yuan and median of 523.92B yuan. Its main business, telecom services revenue, was 523.92B yuan, accounting for 100%. Net profit was 33.22B yuan, ranking 2nd/3rd, below China Mobile’s 137.26B yuan, with an industry average of 63.76B yuan and median of 33.22B yuan.

Recent patent applications by China Telecom include:

(Additional patents follow similar structure, omitted here for brevity.)

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