Web Analytics


English English


Home Sanyou Intellectual Property Agency

Sanyou Intellectual Property Agency

Beijing Sanyou Intellectual Property Group consists of four agencies which provide different core services including IP agency, IP legal service, IP consultancy and international IP affairs. Aimed at offering comprehensive services to clients, the group has established a creative and integrated “one-stop IP service chain”.

Sanyou Intellectual Property Agency

Judicial determination of maliciously initiating IP litigation

By Chen Xi, Wan Rui Law Firm
0
trademark rights abuse countermeasures
Sanyou Intellectual Property Agency

Countermeasures to abuse of trademark rights

By Hu Miao, Wan Rui Law Firm
0
Copyright Protection for Pop Music Arrangements
Sanyou Intellectual Property Agency

Can pop music arrangements be protected by copyright?

By Bai Xiaoyang, Wan Rui Law Firm
0
Invention Ownership Departing Employees
Sanyou Intellectual Property Agency

Departing employees: who owns the invention?

By Chen Jian, Wan Rui Law Firm
0
Malicious preemptive registration of a trademark
Sanyou Intellectual Property Agency

Defining malicious preemptive registrations of trademarks

By Wang Hanmei, Wan Rui Law Firm
0
Sanyou Intellectual Property Agency

Maintaining trademark registration for non-standard items

By Zhang Xue, Wan Rui Law Firm
0
Exceptions determining functional features
Sanyou Intellectual Property Agency

Exceptions determining functional features in disputes

By Geng Yunfeng, Wan Rui Law Firm
0
countering patent infringement
Sanyou Intellectual Property Agency

Administrative adjudication in countering patent infringement

By Mi Tai, Sanyou IP Group
0
burden of proof in method patent infringement
Sanyou Intellectual Property Agency

Shifting burden of proof in method patent infringement suits

By Chen Jian, Wan Rui Law Firm
0
Trademark infringement issuesvideo
Sanyou Intellectual Property Agency

Trademark infringement issues with gift promotions

By Tan Qiaosha, Sanyou Intellectual Property Agency
0
Commissioned authentication before patent litigation
Sanyou Intellectual Property Agency

Commissioned authentication before patent litigation

By Chen Jian, Wan Rui Law Firm
0
Foreseeability principle in patent infringement cases
Sanyou Intellectual Property Agency

Application of the foreseeability principle in patent infringement litigation

By Chen Jian, Sanyou Intellectual Property Agency
0
investigation orders in IP litigation
Sanyou Intellectual Property Agency

IP owners should use investigation orders to defend their rights

By Chen Jian, Sanyou Intellectual Property Agency
0
TM owners administrative protectionvideo
Sanyou Intellectual Property Agency

How TM owners can flexibly use administrative protection

By Chen Jian and Hu Xiaoxia, Wan Rui Law Firm
0
best rights defence measuresvideo
Sanyou Intellectual Property Agency

TM case shows how to choose best rights defence measures

By Amy Min, Sanyou Intellectual Property Agency
0
Protecting business model-related inventions, Deng Yi
Sanyou Intellectual Property Agency

Protecting business model-related inventions

By Deng Yi, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Company name adjudications clearer, but more guidelines needed

By Mi Tai, Wan Rui Law Firm
0
Determining descriptive fair use of trademarks, Hu Miao
Sanyou Intellectual Property Agency

Determining descriptive fair use of trademarks

By Hu Miao, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Determining actual inventor in ex-employee disputes

By Chen Jian, Wan Rui Law Firm
0
Sanyou Intellectual Property Agency

Empowering administrative enforcement of IPR

By Mi Tai, Sanyou Intellectual Property Agency
0
Zhang Qin, Sanyou Intellectual Property Agency, Abuse of IP protection in local cuisine disputevideo
Sanyou Intellectual Property Agency

Abuse of IP protection in local cuisine dispute

By Zhang Qin, Sanyou Intellectual Property Agency
0
Resolving TM disputes in overseas jurisdictions He Wei
Sanyou Intellectual Property Agency

Resolving TM disputes in overseas jurisdictions

By He Wei, Sanyou Intellectual Property Agency
0
Is-policy-restriction；-a-justification-for-idle-trademarks-L
Sanyou Intellectual Property Agency

Is ‘policy restriction’ a justification for idle trademarks?

By Sun Qinghua, Sanyou Intellectual Property Agency
0
Comparing-drug-patent-linkage-in-China-and-the-USvideo
Sanyou Intellectual Property Agency

Comparing drug patent linkage in China and the US

By Pang Dongcheng and Li Dongxiu, Sanyou Intellectual Property Agency
0
王小东-WANG-XIAODONG-赵鹏-ZHAO-PENG-三友知识产权代理有限公司专利代理师-Patent-Agent-Sanyou-Intellectual-Property-Agency
Sanyou Intellectual Property Agency

YouTube videos as prior art evidence in patent invalidation

By Zhao Peng and Wang Xiaodong, Sanyou Intellectual Property Agency
0
胡淼-Hu-Miao-Sanyou-featured-article
Sanyou Intellectual Property Agency

The three-year rule in plea of exemption from compensation

By Hu Miao, Wan Rui Law Firm
0
Determining punitive damages in intellectual property cases, 知识产权案件中如何认定惩罚性赔偿, Chen Jian, Wan Rui Law Firm
Sanyou Intellectual Property Agency

Determining punitive damages in intellectual property cases

By Chen Jian, Wan Rui Law Firm
0
video
Sanyou Intellectual Property Agency

Key differences in US and Chinese inventiveness for SEPs

By Tian Yong and Tao Haiping, Sanyou Intellectual Property Agency
0
Examining the Patent Law’s fourth amendment, 专利法第四次修改解读, Cui Chengzhe, Sanyou Intellectual Property Agencyvideo
Sanyou Intellectual Property Agency

Examining the Patent Law’s fourth amendment

By Cui Chengzhe, Sanyou Intellectual Property Agency
0
Patents or know-how protectionvideo
Sanyou Intellectual Property Agency

Patents or know-how protection? How to choose

By Dang Xiaolin, Sanyou Intellectual Property Agency 
0
How to effectively refute the defence of legitimate source, 如何有效反驳合法来源抗辩, Chen Jian, Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

How to effectively refute the defence of legitimate source

By Chen Jian, Sanyou Intellectual Property Agency
0
Understanding internal and external evidence in interpretation of claims, 权利要求的解释之内部证据和外部证据的冲突, Jiang Xianqi, Beijing Wanrui Law firm
Sanyou Intellectual Property Agency

Understanding internal and external evidence in interpretation of claims

By Jiang Xianqi, Beijing Wanrui Law firm
0
Important matters in trademark trading and transfer, Claire Zhao, Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

Important matters in trademark trading and transfer

By Claire Zhao, Sanyou Intellectual Property Agency
0
Tao Haiping, Tian Yong, Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

Clarity of claims in patent applications and the case of ‘Xiao-I’

By Tao Haiping and Tian Yong, Sanyou Intellectual Property Agency
0
Mi Tai Wan Rui Law Firm intellectual property
Sanyou Intellectual Property Agency

The ‘Notice-delete’ rule of e-commerce intellectual property

By Mi Tai, Wan Rui Law Firm
0
耿云峰 三友知识产权代理有限公司 知识产权
Sanyou Intellectual Property Agency

Protection for shapes of commodities under Anti-Unfair Competition Law

By Geng Yunfeng, Sanyou Intellectual Property Agency
0
Jordan
Sanyou Intellectual Property Agency

Jordan case shows protection for pre-existing right to a name

By Dorris Hu and Shu Yakai, Sanyou Intellectual Property Agency
0
trademark
Sanyou Intellectual Property Agency

Trademark Office response measures during the pandemic

By Claire Zhao, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Jurisdiction comparisons for foreign infringers under US, China patent laws

By Jiang Xianqi, Beijing Wanrui Law firm
0
punitive damages
Sanyou Intellectual Property Agency

Application of punitive damages in TM infringement cases

By Mi Tai, Sanyou Intellectual Property Agency
0
trademark
Sanyou Intellectual Property Agency

Trademark transfer issues for previously licensed trademarks (part 2)

By Shi Yakai and Hu Miao, Sanyou Intellectual Property Agency
0
trademark
Sanyou Intellectual Property Agency

Trademark transfer issues for previously licensed trademarks

By Shi Yakai and Hu Miao, Sanyou Intellectual Property Agency
0
庞东成 三友知识产权代理有限公司合伙人
Sanyou Intellectual Property Agency

How foreign parties prepare appointment procedure documents

By Pang Dongcheng, Sanyou Intellectual Property Agency
0
preservation
Sanyou Intellectual Property Agency

Decision on misapplication of evidence preservation in IP suits

By Geng Yunfeng, Sanyou Intellectual Property Agency
0
Dorris-Hu-Shi-Yakai
Sanyou Intellectual Property Agency

What if a squatter registers your trade name as a TM?

By Dorris Hu and Shi Yakai, Sanyou Intellectual Property Agency
0
Claire Zhao Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

Comparing China and US trademark co-existence systems

By Claire Zhao, Sanyou Intellectual Property Agency
0
trademark
Sanyou Intellectual Property Agency

Influence of subjective intention on TM similarity judgments

By Shi Yakai and Hu Miao, Sanyou Intellectual Property Agency
0
Patent eligibility
Sanyou Intellectual Property Agency

Patent eligibility for software in China

By Li Hui, Sanyou Intellectual Property Agency
0
orrespondents-CBLJ-1904-党晓林-Deng-Xiaolin
Sanyou Intellectual Property Agency

Countermeasures against abuse of utility model patents

By Dang Xiaolin, Sanyou Intellectual Property Agency
0
赵明珠 -CLAIRE ZHAO-三友知识产权代理有限公司-律师、商标代理人-Associate, Trademark Attorney-Sanyou Intellectual -Property Agency
Sanyou Intellectual Property Agency

System for the recordal of prior trademark coexistence agreements

By Claire Zhao, Sanyou Intellectual Property Agency
0
耿云峰-Geng-Yunfeng-万瑞律师事务所-Wanrui-Law-Firm
Sanyou Intellectual Property Agency

Evidence preservation in exhibitions and trade fairs

By Geng Yunfeng, Wanrui Law Firm/Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Determination of similar goods in trademark invalidation procedures

By Claire Zhao, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Trademark protection through international registration under the Madrid system

By Claire Zhao, Sanyou Intellectual Property Agency
0
陈坚-CHEN-JIAN-三友知识产权代理有限公司-专利代理人-Patent-Attorney-Sanyou-Intellectual-Property-Agency-耿云峰-GENG-YUNFENG
Sanyou Intellectual Property Agency

How to render corrective interpretations of claims

By Chen Jian and Geng Yunfeng, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Interim protection of patents for invention

By Chen Jian, Geng Yunfeng, Sanyou Intellectual Property Agency, Beijing Wan Rui Law Firm
0
Sanyou Intellectual Property Agency

Application of data analysis in identification of key patents

By Li Hui, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Liability for damages arising from malicious IP litigation

By Shi Yakai, Sanyou Intellectual Property Agency
0
Sanyou Intellectual Property Agency

Supreme Court decision on whether OEM constitutes trademark infringement

By Shi Yakai, Sanyou Intellectual Property Agency
0
石亚凯-SHI-YAKAI-三友知识产权代理有限公司-律师-Attorney-at-law-Sanyou-Intellectual-Property-Agency
Sanyou Intellectual Property Agency

Conflicts over business names and trademark rights in China

By Shi Yakai, Sanyou Intellectual Property Agency
0
陈坚 CHEN JIAN 三友知识产权代理有限公司 合伙人 Partner Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

Evidence preservation in patent infringement suits in China

By Chen Jian, Sanyou Intellectual Property Agency
0
石亚凯 SHI YAKAI 三友知识产权代理有限公司 律师 Attorney-at-law Sanyou Intellectual Property Agency
Sanyou Intellectual Property Agency

How to protect your design patents in China

By Shi Yakai, Sanyou Intellectual Property Agency
0

MOST POPULAR

CBLJ FOTY 2026

China Business Law Awards 2026

Rising Star 2026 Featured Image

The A-List 2025-26: Rising Stars

Deals of the Year 2025

A look back at the blockbuster transactions of 2025 as we gallop into the Year of the Horse

CORRESPONDENTS

Generative AI in the entertainment industry

Infringement risks of generative AI in entertainment industry (Part 1)

By Jiang Shen and Xu Wen, Jingtian & Gongcheng
Auditor changes under HKEX’s new FAQ

Tighter scrutiny of auditor changes under HKEX’s new FAQ

By Stella Yeung and Stephen Luo, Jingtian & Gongcheng
股权代持无效：股权归谁？增值收益如何分配？

Splitting gains and losses in void nominee shareholding

By Zuo Yuru and Xin Xiangrong, Zhong Lun Law Firm

FEATURES

Marco Chung on arbitration seat selection

A tale of three seats

For Marco Chung, group head of legal at CITIC Securities International, the choice for arbitration seat in China-related disputes is clear

A-list partners managing work stress

Beating burnout

A-list partners share their personal rituals for sustaining performance in increasingly demanding work environments

CBLJ FOTY 2026

China Business Law Awards 2026

PRACTITIONERS' PERSPECTIVES

AI global expansion confronts hurdles

Agile shareholding structures, compliance to drive AI globalisation

By Clara Liu and Zhao Chenchen, Han Kun Law Offices

Recovery and liability for losses arising from uncollected cargo

By Chen Leiming and Yuan Yuan, Kangda Law Firm

China’s marine warranties: a better balance?

By Shengnan Jia, Tahota Law Firm

Lexicon

Follow Law.asia
Law firms Awards Events Legal jobs • Post a job
About us Archive Subscribe Contact us
Please send any press releases, deal announcements, details of new hires, newsletters and any other news items to: news@law.asia
© Copyright 2026 Law.asia Limited. All rights reserved.

Follow us on LinkedIn

Follow now