LAWYER PROFILE
Hongyi Jiang

Hongyi Jiang

Greater China Region 2026

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Ranked in 1 practice area

About

Provided by LexField Law Offices

Greater China Region

Practice Areas

Civil litigation in diverse Intellectual Property infringement issues

Administrative litigation in fields of patent invalidation, trademark opposition, trademark cancellation dispute

Non-litigation solutions for Intellectual Property disputes

Legal opinion in relation to Intellectual Property, including but not limited to, patent infringement analysis, patent invalidation analysis, etc.

Solutions in relation to Intellectual Property risk prevention in operation activities

Work Highlights

Selected cases Mr. Jiang successfully advocated:

There were only 10 patent infringement court decisions by 2016 with over 20 million RMB in awarded damages. Among the 10, he handled 4 of those cases and obtained results favorable to clients.

In recent years, Mr. Jiang has successfully handled 31 IP retrial cases before the Supreme Court of the PRC. And in some of them, he has raised perspectives regarding application of patent law which became new judicial standards and were incorporated into the relevant judicial interpretations, for instance.

Retrial of patent infringement over "concrete thin wall pipe" [(2005) Min San Ti Zi No.1], in which the application of the “principle of superfluity establishing” in China patent litigation practice was terminated.

Retrial of patent infringement over "Calcium Gluconate Oral Solution" [(2009) Min Ti Zi No.20], in which the scope of the “prosecution history estoppel” was enlarged.

Retrial of “ink cartridge” patent invalidation litigation [(2011) Zhi Xing Zi No.53], in which the Supreme People's Court rejected an examination standard adopted by the State Intellectual Property Office (SIPO) and the Patent Reexamination Board (“PRB”), with respect to prohibiting amendments from going beyond the scope of original application as filed.

Retrial of “printer ink cartridge” patent invalidation litigation [(2012) Xing Ti Zi No.16], in which the Supreme People's Court, for the first time, rejected the conclusion of the PLB regarding an inventiveness issue.

He is also highly recognized with his expertise even in technical intensive patent invalidation administrative litigation area in which usually only patent agents set foot. For example:

Among 50 Typical Cases Regarding IP Judicial Protection as published by the Supreme People's Court in 2011, 6 cases involved patent invalidation. He represented 4 of those 6 cases and had the invalidation conclusions of the PRB in 3 of those 4 cases overturned.

He represented YKK Corporation in the 2nd instance of patent invalidation administrative litigation to get the invalidation decision and the1st instance judgment that is not in favor of the client overturned, which was selected by the Supreme People's Court in 2012 to be one of Typical Cases Regarding Patent Invalidation Administrative Litigation [(2012) Gao Xing Zhong Zi No.1088].

Moreover, Mr. Jiang is also well experienced in pharmaceutical patent litigation field which is one of the most complicated and complex patent practice areas. He has long served as an administrative medicine protection legal counsel for the State Food and Drug Administration. Besides that, he has handled the largest numbers of pharmaceutical patent litigation cases in China, his landmark cases include:

A French pharmaceutical company sued a Chinese pharmaceutical company over an alleged infringement on a medical method patent on “Docetaxel”.

An American pharmaceutical company sued a Chinese pharmaceutical company over an alleged infringement on a medical method patent on “Olanzapine”.

An American pharmaceutical company sued a Chinese pharmaceutical company over an alleged infringement on a medical method patent on “Gemcitabine Hydrochloride”.

An invalidation case regarding the patent for “Raloxifene” between a Chinese pharmaceutical company and an American pharmaceutical company.

An invalidation case regarding the patent for “Docetaxel” between a Chinese pharmaceutical company and a French pharmaceutical company.

An invalidation case regarding the patent for “Crystalline tiotropium bromide monohydrate” between a Chinese pharmaceutical company and a German pharmaceutical company.

In addition to his role as China's leading patent litigator, Mr. Jiang is also renowned for its achievements in litigations of trademark, copyright, antitrust, unfair competition and cross-border technology trade. A few examples with outcomes in favor of his clients are set forth as belows:

Represented a Japanese company in a trademark cancellation administrative retrial lawsuit before Supreme Court and won (Supreme Court has established guidelines for examining trademark similarities concerning combinition trademarks in this case).

Represented an American company to sue a Chinese company over a trademark infringement and an unfair competition, which was listed by court as “Top 10 Foreign-involved IP cases in Beijing Courts (2005-2010)”.

Represented a PRC company in a trademark administrative re-trial lawsuit before Supreme Court and won in 2009 (Supreme Court has established guidelines for applying Article 15 of Trademark Law in this case);

Represented an American company to sue a Chinese company regarding unfair competition with respect to “Gmail” email system.

A trade secret infringement dispute erupting between Foxconn and BYD, which was described as “China's first case of high-tech intellectual property”.

Intel Corporation sued Shenzhen Dongjin for a software copyright infringement, which was called “the first case of intellectual property rights in China in 2005”.

Shenzhen Dongjin sued Intel Corporation for an unfair competition, which was called “the first case of intellectual property rights in China in 2006” and “the first antitrust case in Chinese high-tech area”.

Experience

Mr. Jiang worked with the Policy and Legislation Division of the State Science and Technology Commission (former Intellectual Property Rights Executive Conference Office of the State Council) from 1993 to 1996. During that period, he participated in several rounds of Sino US intellectual property negotiations. He started his private practice from 1996 and has devoted most of his time to IP litigation and related matters. As a recognized patent litigator, he has worked on all kinds of IP dispute resolution and consultant matters and was involved in a plenty of influential IP litigations.

Education

Law School of Peking University

Bachelor of Laws

1986 - 1990

Law School of Peking University

LLM Legum Magister

1990 - 1993

Awards

Band 1 Lawyer on Intellectual Property litigation in consecutive years

Chambers

Gold Award Lawyer in consecutive years

IAM

IP Star in consecutive years

Managing IP

Languages Spoken

English

Chinese

Expert in these Jurisdictions

China

Chambers Review

Provided by Chambers

Chambers Greater China Region

Intellectual Property: Litigation (PRC Firms) - China

Band 1
Band 1

Individual Editorial

Jiang Hongyi is a prominent IP litigator in the market. He is renowned for handling high-profile patent infringement cases, attracting many instructions from foreign corporations.

领先律师

蒋洪义律师是市场上著名的知识产权诉讼律师。他以处理高关注的专利侵权案件而闻名,吸引许多外国企业的委托。

Strengths

Provided by Chambers

  • He is very good with strategies and has a good way to approach the courts. His Chinese reads exceptionally well - probably the best written Chinese I have ever seen.

    Intellectual Property: Litigation (PRC Firms)Chambers Greater China Region
  • 他非常擅长策略,也很有法庭应对之道。他的中文写作水平极高——可能是我见过的最好的中文文书写作。

    Intellectual Property: Litigation (PRC Firms)Chambers Greater China Region

Ranked Individuals at LexField Law Offices (5)

China

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