Finisar's Key Patent Was Declared Invalid by the State Intellectual Property Office

Date: 2018-05-04 Author: Gigalight 14109 Tags: Finisar , patent , optical transceivers

Shenzhen, China, May 4, 2018 − The much-anticipated Gigalight case of the Finisar patent invalidation lasted for nine months and finally settled today. On May 3, 2018, the State Intellectual Property Office (SIPO) of China formally declared that the Finisar's 200610149558.1 patent is invalid. The name of the patent is integrated memory control circuit for optical transceivers.

Finisar's Key Patent Was Declared Invalid by SIPOFinisar's Key Patent Was Declared Invalid by SIPO

At the end of June 2017, Gigalight received a summons from the Intellectual Property Department of the Changsha Intermediate People's Court. After that, the Gigalight Company invalidated the patent for the alleged infringement patent to the national intellectual property rights. After two sessions of trial, this patent of Finisar company is declared invalid by SIPO for the reason that it is not creative enough!

According to the notice issued by the SIPO, Finisar has the right to sue the Beijing Intellectual Property Court for the notice within three months.


GIGALIGHT is a global optical interconnection design innovator that designs, manufactures and supplies optical transceivers, active optical cables and coherent optical modules for data center network, 5G wireless network, optical transmission network, and broadcast video network. The company takes the advantages of exclusive design to provide customers with one-stop cost-effective optical network devices.