Da Deng

Senior Associate

Litigation & Dispute Resolution

Primary office

Shanghai

Telephone

Practice focus

IP and Competition Litigation

IP Compliance

Trademark

Domains

Experience

Da DENG, graduated from China University of Political Science and Law, before working in leading law firms in the field of intellectual property in China for over 8 years before joining East IP in 2024.

Da has extensive experience in both contentious and non-contentious intellectual property matters including areas of intellectual property and competition litigation, intellectual property compliance, trademark right granting and verification, foreign trademark protection, copyright and domain name protection, etc.

Work Highlights

Representing Tencent in unfair competition litigation related to game account rental and obtaining favorable judgment. This case was collected as an excellent case in the national court system in 2023 and one of ten typical data related anti-unfair competition cases in Beijing Intellectual Property Court.
Representing Sina in unfair competition litigation related to crawling sports news and headlines without authorization, obtaining a favorable judgment. This case was collected as one of ten typical intellectual property cases related to new quality productivity in Beijing Haidian District People’s Court.
Representing Tencent in unfair competition litigation related to game cheating software and obtaining favorable judgment. This case was collected as one of ten typical intellectual property cases related to digital economy in Beijing Haidian District People’s Court.
Representing Shopify defending in copyright infringement litigation and obtaining favorable judgment where the plaintiff’s claims were totally dismissed. This case was collected as a typical Cross-Border Electronic Commerce case in Guangzhou Internet Court.
Representing Tencent in copyright infringement and unfair competition litigation related to cloud gaming, and obtaining the first injunction related to cloud gaming in China’s Mainland.
Representing Xiaoyezi in computer software infringement litigation related to piano App and obtaining favorable second instance judgment made by The Supreme People’s Court of the PRC by overturning unfavorable first instance judgment.
Representing Sina in copyright infringement litigation related to operation of portal website and obtaining favorable retrial judgment made by Beijing High People’s Court by overturning unfavorable original judgments.
Representing Bolei Electric in contract litigation related to computer software development and obtaining favorable judgment made by Shanghai High People’s Court.
Representing State Development and Investment Corporation in trademark infringement and unfair competition litigation, obtaining favorable judgment made by Guangdong High People’s Court and having client’s “国投” trademark first recognized as well-known by judicial authorities.
Representing Dyson in trademark infringement and unfair competition litigation, and obtaining favorable judgment made by Sichuan High People’s Court.
Representing Jiangxiaobai in retrial of administrative litigation concerning declaration of invalidity of “江小白” and related trademarks and obtaining favorable judgment made by The Supreme People’s Court of the PRC by overturning unfavorable original judgments.
Representing Heytea in various trademark administrative litigations and overcoming rejection for absolute ground of Article 10.1.7 of Trademark Law of the PRC.
Assisting Yingteng Edu in the first criminal case related to online training question bank copyright crime in Guangxi.

Education

Bachelor of Management and Law, China University of Political Science and Law
Master of Law, China University of Political Science and Law

Admissions

PRC Attorney-At-Law

Languages

Chinese (native)
English

Recent Insights

PRC – Amendment of Anti-Unfair Competition Law

The revised law will enter into effect on October 15, 2025. While the new law introduces a number of changes impacting a wide range...

PRC – Anti-Unfair Competition Law (Translation)

This Law is formulated to promote the healthy development of the socialist market economy, encourage and protect fair competition, prevent and stop unfair competition,...

New Guidelines on Non-Use Cancellations

Recently, the China National IP Administration (CNIPA), the parent organization to the Trademark Office (TMO), began introducing new policies and procedures relating to non-use...