Patent Attorney since 2007
Lawyer Qualification since 2008
Communication Engineering, Computer Science, Information processing, Integrated Circuit, Image processing, AI, Semiconductor, and Optics
Chinese and English
As the consultant of the Patent Litigation Department at CCPIT Patent and Trademark Law Office, Ms. Yuan is good at patent reexamination, patent invalidation, patent validity litigation, patent infringement litigation, patent infringement legal opinion, administrative protection of patent rights, FTO opinion, third-party opinion/public opinion, unfair competition disputes and other businesses. The cases she represented have been listed into, for example, the top ten cases of intellectual property judicial protection of the Supreme People's Court in 2010, the top ten cases of patent reexamination invalidation of the China National Intellectual Property Administration in 2015, the top ten typical cases of intellectual property of Tianjin Courts in 2018, the top ten typical cases of Guangzhou Intellectual Property Court in 2022 for service and protection of scientific and technological innovation, and has represented many major cases with social or industrial influence.
Ms. Yuan also holds multiple social positions, including Vice Chairman of the Litigation and Dispute Resolution Professional Committee of the Beijing Patent Agents Association, Expert in Overseas Intellectual Property Rights Protection Assistance in Beijing, Expert in Intellectual Property Rights Protection in Shenzhen, Expert in Overseas Intellectual Property Rights Protection Assistance in Shenzhen, and Member of the Standards and Patent Professional Committee of the AIPPI (International Association for the Protection of Intellectual Property) China Branch.
Ms. Yuan was continuously listed in the IAM-PATENT Global 1000 Individual List from 2024 to 2025, and listed as a Notable Practitioner on the IP STARS website of Managing IP magazine from 2022 to 2024. In 2012, she was named one of the 30 outstanding patent attorneys in China by the Intellectual Property News.
Examples of patent invalidation and litigation cases won by Ms. Yuan in recent years include (but are not limited to):
In 2025, representing a major domestic communication company in SEP patent infringement disputes and invalidation cases against multiple domestic and foreign communication companies, and assisted the company's overseas team in resolving infringement disputes in the UK
In 2024, representing a leading domestic semiconductor display company in a patent invalidation case involving display panels against a well-known large multinational company of South Korea
In 2023, representing a semiconductor company as patentee in an invalidation procedure and successfully maintain the patent right
In 2023, representing a Chinese telecom operator company as patentee in an invalidation procedure, and successfully maintain the patent right
In 2023, representing a manufacturer of navigation chips & modules in Switzerland as defendant in second instance of a patent infringement litigation
In 2022, representing a Chinese LED manufacturer as a defendant in a patent infringement litigation
In 2021-2022, representing a Chinese LED manufacturer in 3 separate invalidation procedures and subsequent administrative litigations
In 2021, representing a Chinese e-commerce giant, in 2 separate invalidation procedures, successfully invalidating the patentee’s patent in 2021 and winning the subsequent administrative litigations in 2023
In 2021, representing a famous motor manufacturer as patentee in invalidation procedures of 10 SEPs, and maintaining the patent rights
In 2020-2021, representing a manufacturer of navigation products in Switzerland as patentee in an invalidation procedure, as plaintiff in an unfair competition litigation, and as plaintiff in a patent infringement litigation
In 2020, representing a Chinese e-commerce giant and an Airport Group as third parties in an administrative litigation
In 2020, representing a Chinese internet giant as the third party in an administrative litigation and winning the case
In 2019-2022, representing a famous US cell phone maker as patentee in an invalidation procedure, and in subsequent administrative litigations
In 2019, representing a Chinese internet giant as the third party in an administrative litigation
In 2019, representing a Chinese internet company as petitioner in an invalidation procedure
In 2019-2022, representing a Chinese telecom operator company as petitioner in an invalidation procedure, and then winning the patent infringement dispute before Beijing IP Office
In 2019, representing a Germany institute as patentee in an invalidation procedure
In 2018, representing a Chinese e-commerce giant and an Airport Group as petitioners in invalidation procedures
In 2018, representing a US virtual reality company as patentee in an invalidation procedure
In 2018, representing a Japanese electronic equipment company as patentee in an invalidation procedure
In 2018, representing a Chinese energy technology and service provider as plaintiff in an administrative litigation against the Patent Reexamination Board
In 2018, representing a famous US cell phone maker as patentee in two invalidation procedures
In 2018, representing a Chinese e-commerce giant as defendant in two separate infringement lawsuits and as petitioner in two invalidation procedures, one of them was elected by Tianjin Higher People’s Court as an IP judicial protection typical case in Tianjin courts in 2018
In 2017, representing a NPE in Luxembourg as patentee in a series of 3 cases of invalidation procedures
In 2016, representing a U.S. communication company as patentee against ZTE in a series of 6 invalidation procedures
In 2016-2017, representing a Chinese internet giant against another well-known company in the input method and search engines area in a series of invalidation procedure, administrative lawsuit and infringement lawsuits
In 2015, representing a well-known US petroleum and natural gas producer as the petitioner in an invalidation procedure and obtaining a desired result to assist the client taking a favorable position in infringement lawsuit. The involved patent was awarded as excellent China patent in an early year and was difficult to be invalidated.
In 2015, representing a Chinese energy technology and service provider as patentee in an invalidation procedure
In 2014, participating the litigation team representing a famous US cellphone maker in the second instance of administrative lawsuit on the patent about robot “xiao-I” in 2014, which case was a major concern by the public
In 2009-2012, representing a Chinese energy technology and service provider in all of the first instance, second instance and retrial and winning three times in an infringement lawsuit. After the second instance, this case was listed as one of the fifty typical IP cases in 2012 selected by the Supreme Court.