Patent Application; Patent Invalidation

Zhenghuan & Huanrun: Senior Patent Attorney.

Longton Intellectual Property Agency Co., Ltd.: Patent Attorney.

Liu Shen & Associates: Patent Attorney.

• Entered the patent profession in 2007 and qualified as a Chinese Patent Attorney in 2009.

• Practices in chemistry, materials and pharmaceuticals, particularly focusing on drafting, prosecution, office action responses, patent reexamination and invalidation in fields including luminescent and display materials and devices, synthesis and application of polymer materials, and biopharmaceuticals.

• Also capable of handling mechanical and electrical cases, with a comprehensive and well‑rounded practice background.