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Xu Yajuan

2026-07-29




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PROFESSIONAL PROFILE

Xu Yajuan

Patent Attorney
Patent Specialist in Mechanical Engineering and Materials Technology

She has five years of experience in patent agency and intellectual property practice. Her work focuses on patent application drafting, responses to office actions, patent portfolio planning, patent searches and patent validity reviews in mechanical engineering, materials technology, automatic control and medical devices. She has developed substantial experience in reviewing technical results and preparing patent filing and portfolio plans for businesses.




Professional Qualification

Patent Attorney

 

Education

Master of Engineering from Soochow University with an academic focus on mechanical engineering.


Areas of Practice

Her main areas of practice include patent application drafting, responses to office actions, patent portfolio planning, patent searches and patent validity reviews. She is familiar with the technical features and patent filing practices relevant to mechanical engineering, materials technology, automatic control and medical devices.

In patent application drafting, she reviews product structures, technical solutions, research directions and practical applications. She identifies and refines innovative features and prepares structured filing plans covering core technologies, key structures and different implementations.

In responses to office actions, she analyzes the technical solution, proposed claim scope, cited documents and the main points raised during examination. She develops a response plan based on the circumstances of each application and assists clients throughout the examination process.

In patent portfolio planning, she considers research plans, product development and market applications. She helps clients identify technical results with potential value and provides patent filing and portfolio recommendations that support business development.

In patent search and validity review work, she conducts prior art searches, patentability analysis and supporting material reviews based on the relevant technical field and project needs. Her work supports patent filing, patent stability reviews and related case preparation.





Technical Fields




Mechanical EngineeringMaterials TechnologyAutomatic ControlMedical Devices
Mechanical StructuresElectromechanical EquipmentProduct StructuresControl Systems


Selected Clients


Companies               Shanmu Technology
               Henan Hozel Electronics Co., Ltd.
               DECANS Medical
               ZHEJIANG SUNSEEKER INDUSTRIAL CO., LTD.
Universities and Research Institutions               Shanghai Jiao Tong University
               Shanghai Institute for Drug Control
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