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Partners/Counsels

Partners/Counsels

Mason Xi
Partner
Patent Attorney
Email: mason.xi@lexfieldlaw.com
Tel.: +86 10 8579 4592
Emphasis
Patent infringement litigation
Patent invalidation and related administrative litigation
Patent infringement analysis and stableness analysis
Career
Mr. Mason Xi has more than 10 years’ experience in counselling multi-national and domestic companies for intellectual property protection and enforcement in the fields of Telecommunication and Mechanics.  Before joining LexField, Mason Xi worked in Beijing King and Wood (Shenzhen) Law Firm, Beijing IParagon Law Firm and Beijing Commerce and Finance Law Offices.
Professional Highlights
Represented Ericsson in multiple telecom SEP invalidations;
Advised Panasonic and OPPO in telecom SEP mapping and patent validity analysis;
Represented EPSON in multiple patent infringement litigations, associated invalidations and administrative litigations;
Represented YKK in administrative complaints and litigations, patent invalidations;
Represented Tetra in multiple patent invalidations;
Represented a local company in patent infringement litigations and associated patent invalidations with Tencent;
Represented Singamas in patent infringement litigations and associated patent invalidations;
Represented DiDi in patent infringement litigations and associated patent invalidations.
Education
Tsinghua University Automobile Engineering Department, B.S. in Engineering (2007)
Tsinghua University Law School, Juris Master in IP Law (2010)
Languages
Mandarin, English

CONTACT US

  • +86-010-8525 3366

  • +86-010-8525 1550/1552

  • general@lexfieldlaw.com

  • Suite 1009, China Life Tower 16 Chao Yang Men Wai Street, Chaoyang District, Beijing 100020, China

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