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        Leader Patent & Trademark Firm

        About Us

        Established in 2001, Leader Patent & Trademark Firm provides full IP services in intellectual pr...

        Leader Patent & Trademark Firm

        Services

        We provide personalized services to clients with high quality, efficiency and reliability in a c...

        Leader Patent & Trademark Firm

        Information

        China's IP Protection Measures to Im...2019-03-04

        iRobot Lodges Patent Infringement Suits ...2017-04-21

        三分快三倍投20期计划