Mr. Cheng has been engaged in the trademark prosecution for a long time, accumulating considerable experience in handling various complicated and knotty cases. He has handled a large number of new trademark application and dispute cases for domestic and foreign clients. At present, Mr. Cheng is mainly responsible for trademark application and copyright processing.

In addition, he currently serves multiple clients such as Haribo, Merlin Entertainment, and GD Alpha. He searches and analyzes the current market brand layout, deeply understands of client's development trends, combines trademark application, copyright registration, opposition, invalidation, non-use cancellation and other methods to help the clients acquires comprehensive protection.