IP Protection Expert with over 26 years

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Hong Kong Hub, Global Safeguard

Pioneering a New Benchmark in International IP Services

Company Overview

Sunshine Intellectual Property Group (“Sunshine IP”) is a full-service IP firm founded in 2000. We specialize in patent and trademark prosecution, invalidation, and all forms of IP litigation, and also provide IP strategy, counseling, research, innovation assessment, and investment services.
As of 2026, our team has more than 600 members. About 80% focus on patent prosecution, litigation, consulting, trademark and copyright, and IP operations. Over 70% hold a master’s degree or higher, including PhDs, postdoctoral researchers, Supreme People’s Court IP Case Guidance Research Base members, senior analysts, asset appraisers, and IP judicial appraisers.
We serve leading clients such as Gree, State Grid, Mengniu Group, Geely, and Tsinghua University, handling up to 20,000 filings annually. We have handled more than 4,000 patent invalidation and infringement matters and over 500 research, patent strategy, FTO, and IP custody projects for CNIPA, local IP offices, and 200+ enterprises.
With offices across China and in Tokyo, plus 300+ international partners covering 180+ countries and regions, Sunshine IP delivers local expertise and global reach.Learn More>

National Intellectual Property Service Brand Organization
National Demonstration Organization for Intellectual Property Analysis and Evaluation
Beijing AAAAA Rated Patent Firm
26 Years
Industry Practicing for Over
600 Members
Team
20000 Filings
Annual Patent Application
4000 Cases
Intellectual Property Dispute
1000 Projects
Intellectual Property Consulting

Core Business

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Executive Team

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Jacky Zhang

Chairman & Founder

Jacky Zhang

Jiangang Zhang

President

Senior Intellectual Property Expert
Patent Litigation Agent
Jiangang Zhang

Min Li

EVP

Senior IP Specialist
Patent Lit. Agent
Min Li

Donghui Gao

VP

Donghui Gao

Zach Zhu

VP

Patent Examination Expert
Zach Zhu

Jing Cao

VP

Jing Cao

Typical Cases

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Melamine Invention patent resulted in compensation of 658 million RMB, breaking China domestic records in patent compensation.

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Gree: Patent mining, patent invalidation, patent litigation, and intellectual property strategic planning.

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Group News

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2026-09-22

Before You Refer a Trademark File to China: 8 Questions U.S. Firms Ask, and Our Answers

SHORT ANSWERU.S. firms vetting a Chinese trademark agency almost always ask the same eight things: filing authority at CNIPA, who actually does the wo...

2026-09-22

Your Brand Is Registered by Someone Else in China: What Bad Faith and Non-Use Cancellation Actually Achieve in 2026

Short answerThree routes exist, and which one is available to you is decided by a calendar rather than by the merits. Opposition: three months from th...

2026-08-27

Argentina Moves Closer to Joining PCT

Following a legislative process spanning more than two decades, Argentina’s Chamber of Deputies yesterday approved the bill for the country’s accessio...

2026-04-02

Supreme People’s Court of China Issues Final Judgment Invalidating Medtronic’s Invention Patent for “Device for Endovascular Intervention”

Recently, the Supreme People’s Court of China rendered a final judgment in an administrative dispute concerning the invalidation of an invention...

2026-04-02

Two Cases Handled by Sunshine IP Cited in the “Annual Report of the Intellectual Property Court of the Supreme People's Court of China (2025)”

Recently, the Intellectual Property Court of the Supreme People's Court of China officially released its annual work report for 2025. As a summar...

Before You Refer a Trademark File to China: 8 Questions U.S. Firms Ask, and Our Answers
Your Brand Is Registered by Someone Else in China: What Bad Faith and Non-Use Cancellation Actually Achieve in 2026
Argentina Moves Closer to Joining PCT
Supreme People’s Court of China Issues Final Judgment Invalidating Medtronic’s Invention Patent for “Device for Endovascular Intervention”
Two Cases Handled by Sunshine IP Cited in the “Annual Report of the Intellectual Property Court of the Supreme People's Court of China (2025)”
2026-09-22

Before You Refer a Trademark File to China: 8 Questions U.S. Firms Ask, and Our Answers

SHORT ANSWERU.S. firms vetting a Chinese trademark agency almost always ask the same eight things: filing authority at CNIPA, who actually does the wo...

2026-09-22

Your Brand Is Registered by Someone Else in China: What Bad Faith and Non-Use Cancellation Actually Achieve in 2026

Short answerThree routes exist, and which one is available to you is decided by a calendar rather than by the merits. Opposition: three months from th...

2026-08-27

Argentina Moves Closer to Joining PCT

Following a legislative process spanning more than two decades, Argentina’s Chamber of Deputies yesterday approved the bill for the country’s accessio...

Typical Clients

During the filing process, Sunshine actively communicated with Mengniu, identified multiple improvements that helped enhance the creativity, and developed several alternative implementation methods. The patent applicationswere drafted with high quality, and we were very satisfied with the outcome. Based on our new application review standards, the average score for the 10 new applications drafted was 91.5 point

Mengniu Group

"During the patent application process, SJY’s patent attorneys demonstrated a proactive attitude, meticulous patience, and clear logical thinking. They rapidly and accurately grasped our technical solutions, delivering high-quality patent applications with exceptional drafting skills. We are thoroughly satisfied and will continue to entrust SJY with our patent matters."

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