Ms. Meihua Zhou serves as the Chief Attorney and Head of Legal Affairs at Sunshine IP Law Firm. With 15 years of specialized experience in patent litigation, 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, comprising senior attorneys, senior patent agents, former senior patent examiners, and former judicial personnel. 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.

Patent invalidation, patent administrative litigation, patent infringement litigation, and other patent dispute resolution, particularly in the technical fields of:

• Mechanics
• Mechatronics
• Materials Science
• Chemical Engineering
• Electronic Control

• Ranked Lawyer, Chambers Greater China Guide (IP Litigation)
• China's Top 50 IP Lawyers Under 50
• Top 50 Outstanding IP Lawyers in China (3rd & 4th Editions)
• Top 10 Patent Lawyers in China
• Leading Talent in IP Services (Inaugural Batch), Beijing Municipality
• Outstanding Patent Attorney, Beijing Outstanding Patent Attorneys (2019-2020)
• Expert, National Guidance Center for Responding to Overseas IP Disputes
• Expert, Jiangsu & Zhejiang Provincial Guidance Centers for Responding to Overseas IP Disputes
• IP Expert Panel Member for Beijing, Shenzhen, Hangzhou, Wuxi, Jinan, Changsha, Urumqi
• Trainer, Capital Patent Attorney Talent Pool & Jiangsu Provincial IP Service Training
• Mediator, China Patent Protection Association & Shanwei Mediation Committee; Arbitrator, Jiaozuo Arbitration Commission; Expert, Shantou Administrative Adjudication
• Member, Rights Protection Committee, Beijing IP Services Association (2nd Term); Member, Litigation and Dispute Resolution Committee, Beijing Patent Attorneys Association (3rd Term)
• Council Member, All-China Patent Attorneys Association; Mentor, Beijing Innovation and Entrepreneurship IP Services
• Listed Lawyer, "Guide to Elite Intellectual Property Legal Service Brands (2023)"
• Shortlisted, "Leading Lawyer" Brand Star (IP Field), Lvxinshe (2023)
• Shortlisted, "Power Lawyer" Brand Star (Dispute Resolution Field), Lvxinshe (2024)

• SEP Infringement: Case concerning "Extra-large Anti-bending Comb-type Bridge Expansion Joint Device" – Recognized in "Top 50 Typical Cases of the Supreme People's Court (SPC) (2022)" & "Typical Cases of the SPC IP Tribunal (2022)".
• Patent Ownership: Dispute regarding "Magnetic Head Detecting Magnetic Field on Magnetic Graphic Surface Based on Magnetoresistance Technology" – Selected for "55 Typical Cases of the SPC IP Tribunal (2021)".
• Patent Invalidation: Gree v. Midea case concerning "Axial Flow Fan" invention patent – Named one of the "Top 10 Patent Reexamination and Invalidation Cases of CNIPA (2021)".
• Patent Invalidation: Case regarding "Voice Coil Motor Driving Liquid Lens and its Lens Group" – Named one of the "Top 10 Patent Reexamination and Invalidation Cases of CNIPA (2020)".
• Patent Infringement: Dispute involving "Product Quality Traceability and Anti-Counterfeiting System and Method" – Recognized in "Top 10 Typical Cases of Beijing Patent Administrative Protection (2017)" & "Top 10 Typical Cases of CNIPA打击专利侵权假冒 (Anti-Patent Infringement and Counterfeiting) (2017)".
• Patent Infringement & Invalidation: Case concerning "Internet Access Control Temporary User Authorization Device and Method" – Recognized in "Top 10 Typical Cases of Beijing Patent Administrative Protection (2017)" & "Top 10 Reexamination and Invalidation Cases of CNIPA (2017)".
• Patent Invalidation: Case involving "A Safe Lithium-ion Battery" – Named one of the "Top 10 Reexamination and Invalidation Cases of CNIPA (2023)".
• Patent Administrative Litigation: Case regarding "A Lock" invention patent (Ref: (2020) Jing 73 Xing Chu 13151) – Featured in Beijing IP Court's "Analysis of Patent Grant and Confirmation Trial Cases (2014-2024)".
• Patent Invalidation: Cases involving "An Operating Machine," "Acidic Oil-in-Water Emulsified Seasoning," and "Acidic Liquid Seasoning Containing Sesame" – Featured in the "Compilation of Key Points from Typical Patent Reexamination and Invalidation Cases (2023)".
• IPO-Related Litigation: Series of patent infringement, invalidation, and administrative litigation cases during Dongwei Technology's STAR Market listing process – Recognized as an "Outstanding Service Case in Suzhou".
• High-Stakes Litigation: Series of major patent invalidation, infringement, and administrative actions between Gree and Aux (e.g., "Motor Steering Mounting Seat," "PG Motor Fault Auto-Detection Method," "Compressor"), exceeding RMB 300 million in dispute value.
• High-Stakes Litigation: Word Agriculture Machinery patent infringement cases (e.g., "Combine Harvester Cutting Platform," "Grain Feeding Device"), successfully invalidating all patents-in-suit, involving RMB 400 million.
• High-Stakes Litigation: Appotronics v. Delta Electronics patent infringement and invalidation series concerning "Heat Dissipation Assembly," dispute value RMB 48 million.
• New Energy Sector: Series of patent disputes between CALB and CATL (e.g., "Electrical Connector and Battery Module," "Battery Top Cover Assembly"), with over RMB 518 million at stake.
• Significant Financial Impact: TCL Air Conditioner (Zhongshan) Co., Ltd. invalidation administrative litigation (Ref: (2019) Jing 73 Xing Chu 3009), avoiding RMB 30 million in potential damages for the client.
• Consumer Electronics: Haier v. Xiaomi patent invalidation and infringement dispute concerning "Method and Apparatus for Customizing Smart Device Scene Modes," involving RMB 15 million.
• New Energy Sector: Zhuhai CosMX v. ATL patent invalidation and infringement disputes concerning "Cathode Plate and Battery Cell," "Wound Battery Cell," etc., with over RMB 200 million at stake.
• New Energy Sector: Zhuhai CosMX v. ATL disputes regarding "Lithium-ion Battery," "Electrochemical Device," etc., exceeding RMB 500 million in dispute value.
• Agricultural Machinery: Series of patent invalidation disputes between domestic agricultural machinery companies and Kubota Corporation (Japan).
• Medical Devices: Patent invalidation and administrative litigation against Medtronic regarding "Device for Endovascular Intervention" and "Removable Coiled Thrombus Device Mass."
• Medical Devices: Multiple patent invalidation cases against Fortune 500 company Ethicon Endo-Surgery (Johnson & Johnson).
• Home Appliances: Ten patent invalidation disputes for Galanz (e.g., "Cathode Component Upper Mold," "Magnetron Anode Assembly Brazing Fixture").
• Chemical Industry: Patent infringement and invalidation defense against BASF concerning "Method for Preparing Polyhydroxymethyl Compounds."
• Medical Devices: Patent infringement and invalidation defense for Kaisi Medical regarding "Apparatus for Improving Blood Circulation in Patient's Lower Limbs."
• Industrial Components: Series of patent invalidation and infringement actions involving WAGO (Germany).
• High-Value Dispute: Patent invalidation case Shandong Aonuo v. Chen Linshu, exceeding RMB 20 million.
• International Dispute: Patent invalidation and administrative litigation involving Ningbo Donghai and Sensing Spectrum Inc. (USA).

"Strategies for Patent Validity: An Analysis of Patent Invalidation and Administrative Litigation Cases" (Author/Chief Editor): This authoritative book provides an in-depth analysis of offensive and defensive strategies in patent validity proceedings. Through carefully selected representative cases of patent invalidation and subsequent administrative litigation, it offers detailed interpretations, systematically reviews relevant laws and practices, and explores the underlying legal logic and practical experience. It serves as a valuable resource for patent holders, agents, attorneys, judges, and IP scholars/practitioners, balancing theoretical depth with practical guidance.

• 2025
  • Jan 4: Speaker on "Career Planning and Development for IP Lawyers" at the Asia IP Elite Gala.
• 2024
  • Sep 28: Presented "Strategies for Medical Device Patent Invalidation" at the Global Pharmaceutical & Medical IP Ecosystem Conference.
  • Aug 22: Spoke on "Litigation Strategies and Practices for Technology-Related Cases" at the China IP & Innovation Summit (Shenzhen).
  • Aug 14: Interviewed by 36Kr regarding patent disputes in the new energy sector.
  • Jun 26: Presented "Litigation Strategies and Practices for Technology-Related Cases" at the 3rd IP Industry Forum.
  • Apr 26: Interviewed by Lvxinshe (legal media platform).
  • Apr 18: Spoke on "Litigation Strategies and Practices for Technology-Related Cases" at the China IP & Innovation Summit (Shanghai).
  • Apr 11: Presented "Defense Strategies for High-Stakes Patent Litigation Cases" at the Seminar on Corporate Domestic and Foreign Trade Patent Litigation and Response.
• 2023
  • Dec 7: Keynote speech on "Strategies for Defending High-Value Patent Litigation" at the China IP & Innovation Summit.
  • Nov 15-17: Presented "Strategies for Defending High-Value Patent Litigation" at the 3rd ZhiChanQianYan Medical Device Forum.
  • Aug 24-25: Spoke on "Defense Strategies in High-Stakes Patent Litigation" at the China IP & Innovation Summit.
  • May 12: Delivered presentation on "IP Risks and Prevention in the Automotive Industry" at the Global Automotive IP Summit.
  • May 4: Conducted training session on "Strategies for Patent Ownership Disputes in R&D-Driven Enterprises" via ZhiXiang Classroom.
  • Mar 15-17: Presented on "Trends in Medical Device Patent Invalidation Examination" at the 2nd IP Industry Forum.
• 2022
  • Dec 29: Webinar on "Corporate IP Risk Assessment and Prevention."
  • Aug 15 & Dec 14: Webinars on "Pre-IPO IP Risk Screening and Mitigation."
  • Apr 27: Webinar on "Offensive and Defensive Strategies in Patent Invalidation."
• 2021
  • Nov 3: Spoke on "IP Compliance, Litigation Risks, and Countermeasures During Corporate IPOs" at the YiQi Salon.
  • Nov 3: Participated in a seminar on amending the Patent Law and its Implementing Regulations, offering suggestions on open licensing, invalidation procedures, the Hague Agreement, priority right restoration, and patent evaluation reports.
  • Jun 19: Presented at the "Symposium on IP Graduate Education and Talent Cultivation" at China University of Political Science and Law.