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Mr. Zhang began his patent practice in a large-scale foreign-related patent and trademark firm in 2004, and joined Unitalen in 2007. As a patent attorney, Mr. Zhang is active in the work of patent applications and prosecutions, and accumulated extensive practical experiences. Mr. Zhang has drafted and handled a great amount of patent applications, and has successfully dealt with many cases of patent applications, invalidations and infringements which are rather sophisticated in the field of both technology and law. Mr. Zhang has in-depth appreciation on patent practice in Germany and is quite familiar with German culture, which renders him to communicate with German clients smoothly and understand clients’ demand accurately.