Prior to Lei’s transition to a Patent Attorney, he was a Patent Examiner at the Patent Examination Cooperation Centre in Hubei province, where he examined over 400 patent applications, primarily in the field of integrated circuits. Now, at China PAT, Lei helps his clients with comprehensive patent analysis, re-examination, and invalidation processes. His expertise is invaluable in navigating the complexities of patent administrative litigation, ensuring that intellectual property rights are effectively upheld in disputes.

Lei also specializes in conducting thorough patent infringement investigations and litigations, providing detailed insights and robust defence strategies to protect clients' innovations. Additionally, he offers expert patent consultations and intellectual property training, equipping clients with the knowledge to manage and secure their IP assets effectively. His approach is detail-oriented and client-focused, making him a trusted advisor in the field of intellectual property law.