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Since entry into Unitalen, He has mainly been a chemical patent attorney. He has rich experience in application, review and cancellation of patents; He has dealt with hundreds of patent applications in respect of inorganic compound, organic compound, polymer, biological medicine, cosmetics, etc.. As a patent attorney for many well-known enterprises at home and abroad, He has accumulated rich case experiences, which allows her to offer optimal intellectual property legal services for clients at home and abroad.