Hengbo team assisted SANITATION EQUIPMENT CO., LTD. LONGKOU HENGYUAN in wining invalidatio...

2018/04/26

Brief of the case: The claimant put forward a request for invalidation to Patent Reexamination Board of China National Intellectual Property Administration on July 16, 2016. The reason is that the patent involved does not conform to provisi...

Hengbo team assisted Peipei ZHANG in wining invalidation case No. 4W105520

2018/04/26

Brief of the case: The claimant put forward a request for invalidation to Patent Reexamination Board of China National Intellectual Property Administration on February 14, 2017. The reason of the request is that the patent involved does not...

Hengbo team assisted Peipei ZHANG in wining invalidation case of patent No. 4W105521

2018/04/26

Brief of the case: The claimant put forward a request for invalidation to Patent Reexamination Board of China National Intellectual Property Administration on February 14, 2017. The reason of the request is that the patent involved does not...