Our company was commissioned by the applicant to file an invalidation request application against the no. 201020544036.3 utility model “A Type of Exhaust Fan” submitted by a company in Beijing. The Patent Reexamination Board of the State Intellectual Property Office conducted evaluation on the invalidation declaration application in accordance with law and made the evaluation decision in November 2015 that the patent rights of the no. 201020544036.3 “A Type of Exhaust Fan” would all be invalid. 

Janlea’s attorney participated in the oral trailing held by the Patent Reexamination of the State Intellectual Property Office. During the oral trailing, our side conducted efficient opinions stating. Through confirmation of the legal basis and the evidence, with regards to the patent itself the relevant regulations of the Patent Law, the Patent Reexamination Board of the State Intellectual Property Office declared that no. 201020544036.3 utility model would all be invalid.

The prior professional researching, notarization, confirmation and the midterm evidence colleting supplied efficient opinion statements for the later oral trialing. The case eventually ended with the complete victory of the invalidation declaration applicant, represented by Janlea.