Meihua Zhou

Practice Areas

Patent Invalidation, Patent Litigation,Trade Secret, Trademark Litigation,Unfair Competition, Integrated Circuit Layout, Infringement Mediation, and other intellectual property litigations 专利无效、专利诉讼、商业秘密、商标诉讼、不正当竞争、集成电路布图、侵权调处、其他知识产权诉讼等

Professional Memberships

Expert on Handing of China National Overseas IP Disputes国家海外知识产权纠纷应对指导专家

Part-time Mediator of the People's Mediation Committee of China Patent Protection Association中国专利保护协会人民调解委员会兼职调解员

Director of All-China Patent Attorneys Association 中华全国专利代理师协会理事

Faculty in the Capital Patent Attorney Industry Faculty Pool首都专利代理行业师资库师资

Member of the Second Industry Rights and Interests Protection Committee of Capital Intellectual Property Services Association 首都知识产权服务业协会第二届行业权益保障委员会委员

Member of the Litigations and Disputes Resolution Committee of Beijing Patent Attorney Association 北京市专利代理师协会诉讼与争议解决专业委员会委员

Beijing Municipal Intellectual Property Service Tutor for Innovation and Entrepreneurship 北京市创新创业知识产权服务导师

Publications

The Art of Patent Right Verification - Detailed Case Analysis on Patent Invalidation and Administrative proceedings 《专利确权攻守之道-专利无效及行政诉讼案例精解》

Guide to Intellectual Property Protection of Traditional Culture 《传统文化知识产权保护指南》

Holistic Consideration of Prior Art in the Judgment of Patent Inventiveness: Insights from the Two Patent Invalidation Cases《专利创造性评判中现有技术整体性考量——从两则专利无效宣告案看》

How to Break the Curse of Isolated Online Evidence in the Invalidation Cases 《无效案件中，如何打破网络孤证的魔咒》

Several Issues Concerning the Application of Doctrine of Estoppel in the Patent Infringement Litigations 《禁止反悔原则在专利侵权诉讼适用中的几个问题》

Work Highlights

1.The administrative proceeding involving the patent for invention “Machine drive wheel and through the interference will be electric motor stator housing fixed to the support bracket of the method” was ranked in "Abstract of Abbreviature of Adjudication of the Intellectual Property Tribunal of the Supreme People's Court (2024)"

机动轮和通过干涉将电马达的定子外壳固定至支架的方法”发明专利行政诉讼案入选2024最高人民法院知识产权法庭裁判要旨摘要；

2.The administrative proceeding involving the patent for invention “An apparatus for removal of a thrombus in a blood vessel” was ranked in "Abstract of Abbreviature of Adjudication of the Intellectual Property Tribunal of the Supreme People's Court (2024)"

可去除的结合的血栓装置团块”发明专利行政诉讼案入选2024最高人民法院知识产权法庭裁判要旨摘要；

3.The administrative proceeding involving the patent for invention “Method of producing granular composite fertilizer using high tower pelletizer and equipment” was ranked in "Abstract of Abbreviature of Adjudication of the Intellectual Property Tribunal of the Supreme People's Court (2024)"

高塔造粒生产颗粒复合肥料的方法及设备”专利行政诉讼案入选2024最高人民法院知识产权法庭裁判要旨摘要；

4.The administrative proceeding involving the patent for design “Vibration massage gun” was ranked in "Abstract of Abbreviature of Adjudication of the Intellectual Property Tribunal of the Supreme People's Court (2024)"

震动按摩枪”外观设计专利行政诉讼案入选2024最高人民法院知识产权法庭裁判要旨摘要

5.The exclusive right revocation proceeding involving the layout-designs of integrated circuits “Load Switch” with Registration No. GLF71301 was selected as “CNIPA Top 10 Cases on Patent Reexamination and invalidation 2024”, and “Compilation of Gists of Decision Concerning Typical Cases on Patent Reexamination and Invalidation 2024 (III)” by CNIPA, and was reported by the China Intellectual Property News (Page 10, August 6, 2025)

代理的登记号为GLF71301“布图设计名称为“GLF71301”（负载开关）的集成电路布图设计专有权撤销案”入选国家知识产权局2024年度专利复审无效十大案件，2024年度专利复审无效典型案件决定要点汇编（三）、并获中国知识产权报报道（2025年8月6日第10版）

6.The infringement litigation involving the patent for invention “Electrochemical device” with Patent No. 201811308831.X was listed in “2024 Annual Typical Cases on Intellectual Property Enforcement by Chinese and International Enterprises

专利号201811308831.X ，名称为“电化学装置”的发明专利侵权诉讼案件入选2024年度中外企业知识产权维护典型案例

7.The infringement litigation involving the standard-necessary patent “Expansion joint apparatus for ultra large yield resisting comb type bridge" with Patent No. 200410049491.5 was selected in “Top 100 Typical Cases for Celebrating the Fifth Anniversary of Establishment of the Intellectual Property Tribunal of the Supreme People's Court” and “Top 20 Typical IP Cases of the Intellectual Property Tribunal of the Supreme People's Court 2022" and “China National Court Top 50 Typical IP Cases”, and was rated Legal One Exemplary

标准必要专利侵权案专利号 200410049491.5，名称为“一种特大抗挠变梳型桥梁伸缩缝装置”本案入选最高人民法院知识产权法庭成立五周年100件典型案例和 2022 年度《最高人民法院知识产权法庭20件庭典型知识产权案例》及《中国法院50件典型知识产权案例》，并在LegalOne的评估中荣获Exemplary（典范）评级；

8.The two patent infringement administrative ruling proceedings involving the patent for invention "Rivaroxaban" , and “Substituted oxazolidinones and their use in the field of blood coagulation” with Patent No. 00818966.8 were selected in "Top 20 Typical IP Cases of the Intellectual Property Tribunal of the Supreme People's Court 2022" and "China National Court Top 50 Typical IP Cases", "Abstract of Annual Report on IP Cases of the Supreme People's Court (2022)", "Abstract of Abbreviature of Adjudication of the Intellectual Property Tribunal of the Supreme People's Court (2022)", "CNIPA Typical Cases on Patent Administrative Protection 2022" and "Jiangsu  Provincial Intellectual Property Office Typical Cases on Patent Administrative Protection 2022"

利伐沙班”发明专利侵权行政裁决两案，专利号为 00818966.8,名称为“取代的噁唑烷酮和其在血液凝固领域中的应用”入选 2022 年度《最高人民法院知识产权法庭20件典型知识产权案例》及《中国法院50件典型知识产权案例》、《最高人民法院知识产权案件年度报告（2022）摘要》《最高人民法院知识产权法庭裁判要旨摘要（2022）》、入选国家知识产权局《2022年度专利行政保护典型案例》、江苏省知识产权局《2022年度专利行政保护典型案例》；

9.Wuxi LERTECH patent ownership dispute was selected as “Top 55 Typical IP Cases of the Supreme People’s Court"

无锡乐尔公司权属纠纷案件入选最高人民法院 55 件典型知识产权案例；

10.The patent invalidation dispute involving the patent "A voice coil motor driving liquid lens and its lens group" with Patent No. 201820385939.8 between the patentee, AP Photonics Limited and the invalidation petitioner, Huawei Technologies Co. Ltd. was ranked in "CNIPA Top 10 Patent Reexamination and Invalidation Cases 2020"

专利权人爱佩仪光电技术（深圳）有限公司与无效宣告请求人华为技术有限公司专利无效案专利号 201820385939.8 专利名称“一种驱动液态镜头的音圈马达及其镜头组”本案入选国家知识产权局 2020 年度专利复审无效十大案件

11.The case involving the patent “Secure lithium ion battery unit and secure lithium ion battery pack” was selected as “CNIPA Top 10 Cases on Patent Reexamination and invalidation 2023”, and “Compilation of Gists of Decision Concerning Typical Cases on Patent Reexamination and Invalidation 2023” by CNIPA

“一种安全锂离子电池单元及安全锂离子电池组”入选国家知识产权局2023年度复审无效十大案件及2023年度专利复审无效典型案件决定要点汇编；

12.The patent invalidation cases involving the patent “Acidic oil-in-water emulsified liquid seasoning” and “Sesame-containing acidic liquid seasoning” were selected in “Compilation of Gists of Decision Concerning Typical Cases on Patent Reexamination and Invalidation 2023 (II)” by CNIPA

“酸性水包油型乳化液状调味料”发明专利无效案及“含芝麻的酸性液体调味料”发明专利无效案，入选国家知识产权局《2023年度专利复审无效典型案件决定要点汇编（二）》

13.The case involving World Group patent "A Working Machine" was selected in “Compilation of Gists of Decision Concerning Typical Cases on Patent Reexamination and Invalidation 2023 (I)””by CNIPA

代理沃得农机“一种作业机械”入选国家知识产权局《2023年度专利复审无效典型案件决定要点汇编（一）》；

14.Initiated series patent infringement litigations on behalf of Kunshan Dongwei Technology before its IPO on the Sci-Tech Innovation Board to address the market situation where counterfeit products were competing with the patented products at low prices. The patents “A vertical continuous electroplating apparatus” and “Continuous electroplating transmission system and continuous electroplating system” were involved in series of patent infringement, patent invalidation, and patent administrative litigation cases.Helped the client successfully maintaining the patents valid, and effectively combating the infringement act through settlement negotiation, patent licensing, and winning the final judgment in the patent infringement litigations. These cases were ranked in "Suzhou Municipal Intellectual Property Golden Service Cases 2020 "

代理东威电镀科创板上市过程中涉案专利“一种垂直连续电镀设备”、“一种连续电镀传动系统及连续电镀系统”等系列专利，涉及系列专利侵权、专利无效、专利行政诉讼案，在科创板上市前为清理市场上的仿制品与其专利产品进行低价竞争的现状，发起系列专利侵权诉讼。代理律师成功帮助委托客户维持专利有效，且通过和解、对外许可专利以及赢得专利侵权诉讼最终判决的方式帮助客户全面打击了侵权现象。本案入选2020年度《苏州市知识产权优秀服务案例》；

Personal

Ms. Meihua Zhou serves as the Chief Attorney and Head of Legal Affairs at Sunshine IP Law Firm. She has successfully represented clients in over 500 patent disputes, with an aggregate amount in controversy approaching RMB 2 billion. 

More than 20 of her cases have been recognized with national or provincial honors. Ms. Zhou provides counsel to a distinguished clientele that includes Fortune 500 corporations and publicly listed companies such as Gree Electric, Zhuhai CosMX, CALB, Ant Group, Haier, SEMCORP, Infore Environment, and Glodon. She is consistently ranked by Chambers Greater China as a Leading Lawyer in IP Litigation and is recognized as an intellectual property expert by dozens of provincial and national-level organizations.

She established and leads a dynamic IP dispute resolution team of over 40 professionals. The team offers comprehensive services handling patent and trademark disputes across all technical fields, as well as managing all types of intellectual property conflicts. Under her leadership, the team has garnered significant accolades, including being named a 'Recommended Patent Invalidation Litigation Firm' (2024), ranked 'Top 2 Patent Invalidation Litigation Firm' (2023), listed among the 'Top 10 China IP Litigation Agencies - Patent Administrative Litigation' (2018-2019), and honored as an 'Outstanding IP Litigation Team'.

Ms. Zhou authored the book "Strategies for Patent Validity: An Analysis of Patent Invalidation and Administrative Litigation Cases." She has also published numerous articles on patent inventiveness and infringement assessment. She actively contributes to the evolution of patent law by frequently participating in seminars organized by key industry associations regarding amendments to the Implementing Regulations of the Chinese Patent Law and the Guidelines for Patent Examination. Furthermore, Ms. Zhou is a sought-after speaker and trainer on patent enforcement strategies. She has been invited to present by IP administrative bodies (Beijing, Nanjing, Suzhou, Changsha), leading academic institutions (Chinese Academy of Sciences, China University of Political Science and Law, University of Science and Technology Beijing), and prominent industry associations (Beijing Intellectual Property Services Association, China Patent Protection Association).

As a patent rights protection expert, Ms. Meihua Zhou has been invited by government agencies such as the Beijing Intellectual Property Office, the China Patent Protection Association, the Nanjing Intellectual Property Office, and the Suzhou Intellectual Property Office, as well as by universities like Soochow University and Beijing University of Science and Technology, research institutions such as the Chinese Academy of Sciences, and industry media such as PatSnap, to provide professional training on patent rights protection knowledge for patent lawyers, patent agents, examiners, and university students. She has received high praise for these efforts. As a research-oriented lawyer, Ms. Zhou is the chief editor of "The Art of Patent Validation - In-depth Analysis of Patent Invalidity and Administrative Litigation Cases" published by the Intellectual Property Publishing House. She has also published numerous articles on patent creativity and patent infringement determination in industry media and participated in dozens of patent analysis research projects for government agencies including the Beijing Intellectual Property Office, the Henan Intellectual Property Office, and the Suzhou Intellectual Property Office, as well as for domestic enterprises. Ms. Zhou has handled over 400 patent dispute cases, with a client goal achievement rate of 90% for the cases she has represented.

Her team's main clients include hundreds of well-known domestic and international enterprises and listed companies such as Gree, CATL, Zhuhai Coslight, Enjie, Starlight, Meituan, Fangtai, RuiBang, Galanz, TCL, Bear Appliances, Glodon, Inspur Group, etc.

Education