Rayto Partners, P.C.
Rayto was established in 2018 under the leadership of Attorney Jiang Haijun, a leading intellectual property talent of Jiangsu Province. Headquartered in Nanjing, Jiangsu, it has branch offices in Suzhou, Changzhou, Hefei, and Hangzhou. The team currently includes 2 National Experts for Overseas Intellectual Property Dispute Response Guidance, 2 leading intellectual property talents of Jiangsu Province, 5 backbone intellectual property talents of Jiangsu Province, and 5 among the first batch of national patent information practitioners. Approximately 50 members hold both the legal professional qualification and the patent agent qualification. The Rayto team began in 2011 and, after more than a decade of development, has grown into a professional team of over 100 members.
The firm specializes in full-process legal services for intellectual property, including filings, invalidation, litigation, and commercialization. It provides comprehensive and professional intellectual property services covering domestic and international IP portfolio layout, IP litigation, IP analysis and evaluation, trade secret protection, and IP consulting. The technical fields involved include mechanical and intelligent manufacturing, integrated circuits and software, artificial intelligence, biomedicine, and chemical new materials. It serves more than 1,000 domestic and international clients.
Cases handled by the firm have been selected as the Top Eight Typical Cases of Anti-Unfair Competition of the Supreme People's Court in 2025, the Top Ten Typical Cases of Patent Administrative Protection of the China National Intellectual Property Administration in 2024, the First Batch of Top Ten Typical Cases of Patent Transformation and Application of the All-China Patent Attorneys Association in 2024, the Top Ten Typical Cases of Anti-Unfair Competition of the Supreme People's Court in 2022, Typical Cases of the Intellectual Property Court of the Supreme People's Court (2022), the Top Ten Typical Cases of Trademark Administrative Protection of the China National Intellectual Property Administration in 2022, the 100 Typical Cases for the Fifth Anniversary of the Establishment of the Intellectual Property Court of the Supreme People's Court, the Top Ten Patent Reexamination and Invalidation Cases of the China National Intellectual Property Administration in 2022, the Top Ten Annual Cases of the Intellectual Property Professional Committee of the All-China Lawyers Association in 2019, and the 50 Typical Intellectual Property Cases of Chinese Courts in 2018.
The team was selected for Special Recommendation in the 2024 MOZLEN 500 China Foreign-related Trademark Agency Ranking, listed in the 2023 and 2024 Lüxinshe Guide to Premium Legal Service Brands, recognized among Lüxinshe's Top 30 Premium Brand Law Firms and as a Lüxinshe Outstanding Social Responsibility Brand Law Firm in 2023, and named a Nanjing Outstanding Law Firm for 2019-2022. The book The Art of Offense and Defense: A Detailed Analysis of Practical Cases in Corporate Intellectual Property was named the 2023 "Book of the Year" by the Intellectual Property Committee of the All-China Lawyers Association.
In 2023, 2024, and 2025, four attorneys—Jiang Haijun, Hu Fengfeng, Yan Fei, and Li Qingchen—were listed among China's Top 50 IP Elite Lawyers Under 50. Attorney Jiang Haijun was listed among the 2018-2019 Top 50 Outstanding Intellectual Property Lawyers in China.
Rayto Partners, P.C.
Rayto was established in 2018 under the leadership of Attorney Jiang Haijun, a leading intellectual property talent of Jiangsu Province. Headquartered in Nanjing, Jiangsu, it has branch offices in Suzhou, Changzhou, Hefei, and Hangzhou. The team currently includes 2 National Experts for Overseas Intellectual Property Dispute Response Guidance, 2 leading intellectual property talents of Jiangsu Province, 5 backbone intellectual property talents of Jiangsu Province, and 5 among the first batch of national patent information practitioners. Approximately 50 members hold both the legal professional qualification and the patent agent qualification. The Rayto team began in 2011 and, after more than a decade of development, has grown into a professional team of over 100 members.
The firm specializes in full-process legal services for intellectual property, including filings, invalidation, litigation, and commercialization. It provides comprehensive and professional intellectual property services covering domestic and international IP portfolio layout, IP litigation, IP analysis and evaluation, trade secret protection, and IP consulting. The technical fields involved include mechanical and intelligent manufacturing, integrated circuits and software, artificial intelligence, biomedicine, and chemical new materials. It serves more than 1,000 domestic and international clients.
Cases handled by the firm have been selected as the Top Eight Typical Cases of Anti-Unfair Competition of the Supreme People's Court in 2025, the Top Ten Typical Cases of Patent Administrative Protection of the China National Intellectual Property Administration in 2024, the First Batch of Top Ten Typical Cases of Patent Transformation and Application of the All-China Patent Attorneys Association in 2024, the Top Ten Typical Cases of Anti-Unfair Competition of the Supreme People's Court in 2022, Typical Cases of the Intellectual Property Court of the Supreme People's Court (2022), the Top Ten Typical Cases of Trademark Administrative Protection of the China National Intellectual Property Administration in 2022, the 100 Typical Cases for the Fifth Anniversary of the Establishment of the Intellectual Property Court of the Supreme People's Court, the Top Ten Patent Reexamination and Invalidation Cases of the China National Intellectual Property Administration in 2022, the Top Ten Annual Cases of the Intellectual Property Professional Committee of the All-China Lawyers Association in 2019, and the 50 Typical Intellectual Property Cases of Chinese Courts in 2018.
The team was selected for Special Recommendation in the 2024 MOZLEN 500 China Foreign-related Trademark Agency Ranking, listed in the 2023 and 2024 Lüxinshe Guide to Premium Legal Service Brands, recognized among Lüxinshe's Top 30 Premium Brand Law Firms and as a Lüxinshe Outstanding Social Responsibility Brand Law Firm in 2023, and named a Nanjing Outstanding Law Firm for 2019-2022. The book The Art of Offense and Defense: A Detailed Analysis of Practical Cases in Corporate Intellectual Property was named the 2023 "Book of the Year" by the Intellectual Property Committee of the All-China Lawyers Association.
In 2023, 2024, and 2025, four attorneys—Jiang Haijun, Hu Fengfeng, Yan Fei, and Li Qingchen—were listed among China's Top 50 IP Elite Lawyers Under 50. Attorney Jiang Haijun was listed among the 2018-2019 Top 50 Outstanding Intellectual Property Lawyers in China.
