We Protect Your
Business & Ideas
in China

ONECHINE IP helps companies protect trademarks, patents, copyrights, and market positions in China and across 200+ countries and regions through coordinated cross-border intellectual property strategy.

We understand the law, the filing process, and the commercial pressure behind every brand decision.

That is
why clients
trust us with
their next move:

  1. International Olympic Committee
  2. MY.ORGANICS
  3. WoldoClean
  4. MODENA
  5. FLORASIS
  6. ZHEJIANG UNIVERSITY
  7. TYAKASHA
  8. NONGFU SPRING
  9. 花西子
  10. 浙江大学
  11. 美特斯邦威
  12. 塔卡沙
  13. 老爸评测
  14. 胡庆余堂
  15. 夏木香气
  16. 农夫山泉
Why Clients Choose Us

Protecting market access.
It is what we do.

Trademarks Patents Copyrights Legal Strategy Portfolio Management Cross-Border Coordination View All Services
Yu Yaoyao
Yu Yaoyao
Head of International Department
Cross-border trademark filing and Madrid strategy
Hu Shaoxu
Hu Shaoxu
Head of Legal Team
Oppositions, invalidations, reviews, and disputes
Li Chenglong
Li Chenglong
Senior Patent Agent
Mechanical, electronics, food, and pharma patents
Xia Liyan
Xia Liyan
Senior Trademark Agent
Risk assessment, filings, and enforcement planning
Ni Jin
Ni Jin
Senior Legal Consultant
Complex trademark matters and legal risk review
Zeng Xiaoqing
Zeng Xiaoqing
Head of Compliance
Routine filings, reporting, and compliance execution
Yu Cheng
Yu Cheng
Special Consultant
Brand diagnostics and well-known trademark strategy
Rupeng Song
Rupeng Song
Senior IP Consultant
Global portfolio management and infringement response

We know how brand risk appears before it becomes expensive.

We spot risk before it escalates.

Cross-border work needs more than filing capacity. It needs strategic coordination.

Since 2008, ONECHINE has supported overseas market entry, international brand protection, Chinese prosecution work, and practical IP strategy through an integrated team of filing, legal, and compliance professionals.

  • AAA-Rated Trademark Agency badge, China Trademark Association AAA-Rated Trademark Agency China Trademark Association
  • AIPPI member badge AIPPI Organization member
  • INTA member badge, International Trademark Association INTA Organization member

Entering China

Early trademark clearance, filing strategy, local risk review, and practical planning for foreign companies launching products or brands in China.

Managing Portfolios

Trademark, patent, and copyright portfolios coordinated across jurisdictions with deadlines, renewals, filings, and partner-firm communication handled in one workflow.

Handling Disputes

Oppositions, invalidations, reviews, infringement response, and legal support led by professionals experienced in high-volume trademark and IP disputes.
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Yu Yaoyao

Team Spotlight

Yu Yaoyao
Head of International Department

Yu Yaoyao leads cross-border IP coordination at ONECHINE and has spent more than a decade handling international trademark matters, Madrid filings, and overseas brand protection projects with partners across more than 200 countries and regions.

View All People

What We Handle

Global trademark filing, prosecution, and maintenance Patent applications, navigation analysis, and portfolio support Trademark disputes, infringement response, and legal consultation View All Services Discuss Your Matter
Selected Work Case Studies Anonymized matters that show how we approach the work. View Case Studies Updates & Analysis Newsroom Firm updates, legal developments, and practical China IP analysis. Visit Newsroom