On May 27, 2021, special training and sharing sessions "International Patent Protection for Pharmaceutical Enterprises" and "Measures for Trade Secret Protection and Countermeasures against Patent Invalidation" hosted by the China (Sichuan) Intellectual Property Protection Center, China (Sichuan) Intellectual Property Aid Center, Sichuan Branch Center of the National Overseas Intellectual Property Dispute Response & Guidance Center, and Sichuan Patent Association, and undertaken by Unitalen were held in Chengdu.

Li Zeyan, partner and patent attorney of Unitalen, gave a systematic analysis and detailed interpretation to the participating enterprises from the aspects of relevant processes involved in international patent application, translation quality control and overseas cost saving for clients.