Two years of patent infringement disputes between OSRAM, one of the world's two largest lighting fixture manufacturers, and Shanghai Hongyuan Lighting Appliance Co., Ltd., had settled with a paper ruling of the Beijing Higher People’s Court. According to the judgments of Shanghai Higher People's Court and Beijing High People's Court, the patent rights infringed by OSRAM have all been declared invalid, and Shanghai Hongyuan Lighting Appliance Co., Ltd. does not constitute infringement.

It is understood that Electric Lamp Patent Trust Co., Ltd. has obtained the invention patent right of “high-brightness electrodeless low-voltage light source” after applying according to law. Since then, OSRAM has merged the electric light company and acquired the above patent rights. In October 2005, OSRAM Company sued Hongyuan Company to the Shanghai Second Intermediate People's Court for the violation of its patent rights.

In the meantime, Hongyuan Company submitted a request for invalidation to the Patent Reexamination Board of the State Intellectual Property Office 3 times for patent rights involved in the case. On August 18, 2008, the Patent Reexamination Board made a review decision: declare all patent rights involved in the case invalid. In December 2010, after the trial of the second instance, the Shanghai Higher People's Court finalized that the technical plan used by Hongyuan was a simple combination of technical solutions and public knowledge that had been declared invalid, and did not constitute infringement.

To this end, OSRAM Company filed a lawsuit with the Beijing No. 1 Intermediate People's Court. The case also passed the second trial of Beijing No. 1 Intermediate People's Court and the Beijing Higher People’s Court. The Beijing Higher People’s Court finally determined that the Patent Reexamination Board’s decision to declare the patent right involved in the case invalid, decided that the facts were clear, and the applicable law was correct. maintain.