案件背景：

机械轴（键盘开关）是机械键盘核心部件之一，机械轴的好坏决定了机械键盘的使用体验。按键发出清脆的响声是机械键盘重要特征，以往采用的是金属片作为电接触兼顾发声结构，由于薄型机械轴内部空间的限制，金属片结构的弹力相对不足，始终无法达到标准机械轴良好的手感与清脆声响。

TTC正牌科电余正明先生独辟蹊径率先跳出研究传统金属片的思维限制，于2014年成功研发出扭簧独立发声结构，2014年12月成功申请了国家发明专利，专利申请号为：201510203635.6。该项专利产品首发用于联想拯救者Y910笔记本电脑，并同时斩获2016 美国CES国际大展最佳游戏设备和最佳产品两项大奖。

案件回顾：

2017年11月16日，TTC正牌科电发布“关于仿冒侵权TTC专利的通告”。

2017年12月29日，TTC正牌科电收到国家知识产权局关于侵权公司委托的代理人对TTC发明专利提出无效宣告请求受理通知书。

2018年2月13日，TTC正牌科电向国家知识产权局提交了共8项权利要求书的说明。

2018年6月8日，在北京中国知识产权局专利复审委员会开庭审查。

2018年7月6日，国家知识产权局专利复审委宣告TTC正牌科电201510203635.6号发明继续维持该专利权1-8项有效。

在此重申，《一种键盘开关内产生按压声音的方法》专利号：201510203635.6为惠州市正牌科电有限公司正式授权的有效发明专利，并且国家知识产权局专利复审委员会官方再次认可了本发明专利的创造性。此专利技术广泛用于台式机械键盘、笔记本键盘和薄型键盘上，因其新颖的结构设计和舒适的用户体验，在国内外市场上深受好评。

TTC正牌科电一贯坚持自主创新、尊重知识产权，也坚信在法律面前，任何侵犯知识产权的行为终将付出应得的代价。在此，TTC正牌科电郑重提醒有关厂家在使用本专利技术之前，必须取得TTC的正式授权，任何侵权使用将导致法律诉讼及高额赔款。

Case Background:

Mechanical key-switch (keyboard switch) is one of the key parts of mechanical keyboard. Key-switch performance decides the keyboard using experience. Key’s click sound is keyboard important character. Previously, the method is to use metal plate as electric contact and it serves as sound structure as well. Due to the limitation of interior space of low-profile key-switch, metal plate elastic force is not enough, thus it always can not provide  good hand feel and clear click sound.

Mr Yu Zhengming, with TTC Team,  creatively went out of the traditional way using metal plate, and successfully developed the torsional spring independent sound structure in 2014. TTC successfully applied the China national invention patent in Dec, 2014 with patent application No. 201510203635.6. Product with this patent technology was initially used in Lenovo Savior Y910 notebook and this notebook Best Gaming Equipment Awards and Best Product Awards in 2016 CES in USA.

Case Retrospection:

On November 16, 2017, TTC issued “a notice on counterfeit infringement of TTC patents.

On December 29, 2017, TTC received the notification from the State Intellectual Property Office on the request for invalidation of the TTC invention patent by the principal agent of the tortious company.

On February 13, 2018, TTC issued a statement of 8 claims to the State Intellectual Property Office.

On June 8, 2018, the Patent Reexamination Board of the Intellectual Property Office of China held a court review in Beijing.

On July 6, 2018, the Patent Reexamination Board of the State Intellectual Property Office announced that the invention of TTC patent No. 201510203635.6  and the patent rights claims item 1~8 remain effect.

TTC hereby reiterates, "a method of pressing sound in a keyboard switch" patent number: 201510203635.6 for Huizhou Trantek Electronics Co., Ltd. has already been officially granted an effective invention patent, and the State Intellectual Property Office patent review committee officially reaffirmed the invention of the invention patent. This patent technology is widely used in desktop machines, the keyboard, notebook keyboard and thin keyboards. Those products are sold well in the domestic and foreign markets thanks to the novel structure design and extraordinary user experience. 

TTC has consistently adhered to independent innovation and respect for intellectual property rights. It is also firmly believed that in the face of the law, any violation of intellectual property rights will eventually pay the price.

TTC ( Trantek Electronics Co.Ltd) reminds the manufacturers wishing to use this proprietary technology to acquire license from TTC before  production, sales of the related products, any unauthorized usage of the patented technology will result in legal action and heavy penalty.