Guide:How to effectively prepare the reasons of invalidation to increase the success rate of invalidation under the circu...

Guide: MTG has filed an invalidation request for the Chinese design patent imitating MTGs ReFa beauty roller and won the ...

To adapt to the rapid development of new technology, appeal to the new requirements for the rules and modes of patent exa...

Ⅰ . Basic situation of responses to litigations (as defendant) in 2018 In 2018, the trademark adjudication department d...