Guanyang focuses on providing legal service related to Patent Law and has extensive experience in handling complicated patent invalidation, infringement and administrative disputes. He provides legal opinions on patent validity analysis, infringement and FTO analysis, IP due diligence research, patent portfolio strategy consulting and commercial strategy making. Guanyang has represented multiple patent disputes for domestic and international enterprises. He handles cases in the Supreme Court and local high courts, clarifying standards for sufficient disclosure issues, evaluation of inventiveness and jurisdiction opposition issues Guanyang has published multiple professional articles on SEP-related FRAND rules, patent case study, damages, and China patent legal system analysis.