Powering Innovation

Zhifan IP Attorneys ®

Committed to China's IP ecosystem with end-to-end solutions to international IP world

Zhifan IP Attorneys ®

Powering Innovation, Linking the World

Zhifan IP Attorneys ®

About Us

Committed to providing comprehensive international services for innovative entities

500+Professionals2000+PCT filed by the group annually3000+Oversea New Patent Filings1000+Oversea New Trademark FilingsAs an international portal of Zhifan Group, ZHIFAN IP Attorneys Ltd. serves China’s high-end and international markets as …

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Professional Team

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Annual PCT International Applications Submitted by the Group

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Annual Overseas Patent Applications Submitted by Group

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Annual Overseas Trademark Applications Submitted by Group

Service

We provide comprehensive, one-portal IP services to be your IP Hub in China

Patent

Patent

Patent Prosecution

Strategic Design

Pre-filing Search

Patentability Analysis

Domestic and Overseas Patent Filing

Patent Reexamination

Patent Invalidation

Patent Administrative Litigation

Patent Infringement Litigation 

Patent Infringement Opinion

Patent Design-Around

Patent Licensing

Technology Transfer

Patent Monitoring 

Patent Maintenance 

Prior Art Search

Technical Translation

Patent Customs Protection

Design Infringement Opinion

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Trademark

Trademark

Domestic Filing

Oversea Filing

Trademark Prosecution

Trademark Reexamination, 

Trademark Dispute

Trademark Revocation

Trademark Administrative Litigation, 

Trademark Civil Litigation

Trademark Criminal Litigation

Trademark Monitoring

Trademark Search

Trademark Licensing

Trademark Design

Evidence Investigation & Collection

Trademark Customs Protection

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Copyright

Copyright

Copyright Registration

Computer Software Copyright Registration

Copyright Licensing & Transferring

Copyright Infringement Proceeding

Copyright Customs Protection

IC Layout Design Registration

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Legal

Legal

Administrative Disputes

IP Legal Consulting

IP Contract Drafting

IP Evidence Collection

E-Platform IP Enforcement

Trade Secret Protection

Unfair Competition

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Professional Team

Elite Minds of Zhifan IP Attorneys, Trusted by China's Best, Meet China's Innovation Frontier

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Daniel HUANG

General Manager

Patent attorney

Judicial appraiser

Senior Economist

ACPAA

INTA member

Mr. Huang is a qualified Chinese Patent Attorney having practiced intellectual property law for nearly 13 years. He holds a Master of Science degree in mechanical engineering from Tsinghua University. He also studied courses related to intellectual property and capitalization at the School of Economi…

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Zhidong LI

Shareholders

Patent attorney

Mr. Li Zhidong holds a Masters degree in Biochemistry from Tsinghua University. Leveraging his profound academic background and technical expertise, he has demonstrated exceptional proficiency across multiple fields, including biology, molecular biology, organic chemistry, and pharmacology.With over …

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Zhilian SU

Patent attorney

Ms. Zhilian SU is a senior patent attorney with 16+ years of experience in Intellectual properties. She graduated from Beijing University of Posts and Telecommunications in 2007 and has a Masters Degree in Communication Engineering.With her expertise on patent drafting, prosecution, and litigation, S…

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Daniel HUANG
Zhidong LI
Zhilian SU

Zhilian SU

Patent attorney

Ms. Zhilian SU is a senior patent attorney with 16+ years of experience in Intellectual properties. She graduated from Beijing University of Posts and Telecommunications in 2007 and has a Masters Degree in Communication Engineering.With her expertise on patent drafting, prosecution, and litigation, S…

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Bin ZHANG

Division Manager

Patent Attorney

Mr. Zhang Bin joined our firm in 2013 with 12 years of patent experience. He has handled thousands of patent prosecution cases in electrical fields, specializing in patent mining, patent portfolio development, re-examination, and infringement analysis. He has led core patent mining projects for domes…

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Hui HAN

Head of Electrical Department

Patent Attorney

Ms. Han Hui (10+ years’ experience) leads patent prosecution for GAC Group and Suntech Power. Awarded “Outstanding Agent” by GAC and Beijing Zhixin Microelectronics.

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Yaru ZHENG

Patent attorney

Ms. Zheng Yaru integrates technical expertise with patent strategies for energy and automotive clients. Certified agent for BAIC Modern and Tsinghua University.

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Yutong LI

Patent attorney

Ms. Li Yutong (joined 2021) specializes in AI and automotive IP strategies. Certified agent for FAW Group and KAWN New Energy, with a focus on complex technical disclosures.

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Yu MAO

Patent attorney

Ms. Mao Yu combines technical precision with legal rigor, delivering high-quality patents for BAIC Foton and Tsinghua University. Expertise includes AI-driven portfolio development.

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Zhilian SU
Bin ZHANG
Hui HAN
Yaru ZHENG
Yutong LI
Yu MAO

Yushun HAN

Registered patent agent

Former Examiner of CNIPA

Mr. Yushun HAN has practiced IP for over 15 years. His experiences include 8 years of patent examination at CNIPA and over six years as a patent attorney. The mixed experiences endowed Yushun the deep understanding of the principle of IP. In many cases he handled, Yushun could always identify the hey…

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Feng GAO

Minister of Machinery

Patent attorney

Ms. Gao Feng graduated from Xian Jiaotong University in 2013 with a Masters degree and subsequently joined our firm as a patent attorney. With 10 years of professional experience in patent prosecution and outstanding performance, she was appointed as Head of the Mechanical Department in January 2021.…

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Xia HUANG

Head of Mechanical Department

Patent Attorney

Ms. Huang Xia (10 years’ experience) oversees mechanical patent strategies for Midea and GAC Group. Recognized for invalidation defense in high-profile cases.

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Renshi CHAO

Patent attorney

Ren Shichao graduated from Jilin Jianzhu University in 2020 with a bachelors degree. He then joined a major architectural design institute, where he engaged in technical and production-related work, accumulating extensive professional knowledge in the construction and mechanical fields. In 2022, he j…

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Ziwen MENG

Patent attorney

Mr. Meng Ziwen graduated from Southwest Jiaotong University in 2017 with a Bachelors degree. He subsequently joined a large state-owned manufacturing enterprise, where he engaged in technical and production-related work, accumulating extensive expertise in mechanical engineering. In 2024, he joined o…

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Han LIU

Patent attorney

Ms. Liu Han (joined 2021) specializes in global patent prosecution (US/EP/IN/BR) for automotive and appliance clients like GAC Group and Beiqi Foton. Certified agent for complex technical disclosures, achieving high client satisfaction.

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Yushun HAN
Feng GAO
Xia HUANG
Renshi CHAO
Ziwen MENG
Han LIU

Zhidong LI

Shareholders

Patent attorney

Mr. Li Zhidong holds a Masters degree in Biochemistry from Tsinghua University. Leveraging his profound academic background and technical expertise, he has demonstrated exceptional proficiency across multiple fields, including biology, molecular biology, organic chemistry, and pharmacology.With over …

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Lulu SUN

Biochemical patent attorney

Head of the Biomedical Group

Ms. Sun Lulu holds a Master of Science degree from Peking University and has over a decade of specialized experience in patent prosecution within the biochemistry field. Leveraging her keen insight into cutting-edge technologies and profound technical expertise, she has successfully managed more than…

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Xiaoyan SUN

Biopharmaceutical Patent Attorney

Chemical Materials Re-examination Specialist

Ms. Sun Xiaoyan boasts an 85% patent grant rate across 500+ drafted applications. She successfully defended critical patents in high-stakes re-examination and invalidation cases, including a landmark vaccine patent victory against competitor challenges.

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Li MA

Biopharmaceutical Patent Process Manager

Chemical Materials Analytics Specialist

Ms. Ma Li streamlined patent prosecution processes for clients, developing AI-powered analytics models that enhanced decision-making efficiency by 40%.

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Li HE

Biopharmaceutical Patent Intelligence Strategist

Chemical Materials IP Planner

Ms. He Li (10 years’ experience) delivers data-driven IP strategies that align with client R&D roadmaps. Her patent portfolio development frameworks have empowered companies to outmaneuver competitors in emerging markets.

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Wei WU

Chemical Materials Patent Portfolio Manager

Biopharmaceutical Patent Navigator

Ms. Wu Wei (12 years’ experience) drives IP monetization for biopharmaceutical and advanced material projects. Her expertise in patent portfolio development has enabled clients to achieve high-value technology transfers and licensing deals.

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Zhidong LI
Lulu SUN
Xiaoyan SUN
Li MA
Li HE
Wei WU

Zezhou ZHANG

Lawyer

patent attorney

Mr. Zhang Zezhou once worked at Sumitomo Chemical Co., Ltd. in Japan for two years and later at the Japanese Department of China Patent Agency (Hong Kong) Co., Ltd. for eight years. He is well-versed in Japanese patent practice and mainly responsible for patent applications, consultations and invalid…

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Pei ZHANG

Patent attorney Peoples Mediator for Intellectual Property Disputes in Xuzhou City Intellectual property management system auditor

Ms. Zhang Pei has been practicing for over 8 years, specializing in mechanical, chemical, and other technical fields. As a currently licensed patent attorney in China, she has repeatedly provided patent search and analysis, patent invalidation, patent stability analysis, and infringement analysis sol…

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Fang MIAO

Patent attorney

Intermediate Intellectual Property Specialist

With over six years of experience as a patent examiner at the China National Intellectual Property Administration (CNIPA), specializing in the field of fluid machinery. Conducted nearly 1,000 patent examinations and was awarded the "Examination Quality Excellence Award." Multiple examinatio…

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Guodong ZHANG

Patent attorney

​Advanced PSAT Retrieval Certificate

Former Patent Examiner at the China National Intellectual Property Administration (CNIPA)Awarded Titles/Honors:• CNIPA "Search Expert"• CNIPA "Quality & Efficiency Improvement Silver Medal"• Henan Patent Examination Center "Search Expert"• Mentor for New Examiner…

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Xiaofang WANG

Patent attorney

Senior Patent Analyst

Lawyer

I have worked in an intellectual property consulting firm for five years, providing patent consulting services to top domestic Internet companies, high-tech companies and government agencies. The business types include patent mining and layout, overseas/domestic patent risk analysis, investigation an…

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Hao DONG

Lawyer

patent attorney

I once worked at the National Intellectual Property Administration on the examination of invention patents in the field of cutting processing. Currently, I am engaged in intellectual property litigation, patent search and analysis, patent invalidation, patent application, etc., at a patent agency and…

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Zezhou ZHANG
Pei ZHANG
Fang MIAO
Guodong ZHANG
Xiaofang WANG
Hao DONG

Rong YUAN

Senior head of trademark agency

Expert in intellectual property strategy planning

Ms. Yuan Rong has 15 years of senior experience in the intellectual property industry. She has held core positions in intellectual property management in several authoritative institutions. With her acute industry insight and outstanding resource integration capabilities, she has successfully led her…

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Yaru DENG

Senior Trademark Strategic Planner

Intellectual Property Risk Management Expert

Ms. Deng has led trademark strategic planning projects for multiple listed companies, earning industry recognition for her expertise in IP strategy development and risk prevention.

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Hongmei LI

Class-A Trademark Attorney

Copyright Integrated Services Expert

With 16 years of experience and over 1,000 trademark/copyright cases handled, Ms. Li has earned widespread acclaim for her professional services and enforcement capabilities.

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Chunhua LIU

Trademark Infringement Litigation Expert

IP Enforcement Advisor

Ms. Liu has an outstanding track record in trademark infringement litigation, representing multiple high-profile enforcement cases during her 15-year career.

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Mengqi LIU

Trademark International Registration Specialist

Cross-Border IP Protection Advisor

Ms. Liu has achieved remarkable results in international trademark registration, successfully leading overseas trademark portfolio projects for numerous enterprises over 10 years.

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Jiayuan LIAO

Expert in handling difficult trademark cases

Ms. Liao Jiayuan has accumulated rich experience in the field of trademark agency and has handled a large number of cases. With her efficient and professional service capabilities, she has successfully assisted many clients in solving trademark problems and is a trustworthy trademark protection exper…

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Rong YUAN
Yaru DENG
Hongmei LI
Chunhua LIU
Mengqi LIU
Jiayuan LIAO

Min ZHANG

Ms. Zhang Min has 16 years of experience in exhibition intellectual property protection, delivering tailored solutions for clients.

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Jingyi ZHANG

Ms. Zhang Jingyi has 16 years of experience in supply chain intellectual property protection.

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Fang WANG

Ms. Wang Fang brings 14 years of innovative insights and successful cases in trademark and packaging design integration.

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Min ZHANG
Jingyi ZHANG
Xin WU
Fang WANG

Honors

Honors as milestones, commitment as Compass, we are resolved to defend our clients’ core business and edge in China.

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Membership Certificate, China Trademark Association

Member, China Trademark Association

Trusted IP Service Provider (2023-2024) -Skechers China (2024)

Asia IP 2024 Recommended Firm (Mainland China) (2024)

AAAA-Level Patent Agency (Beijing) (2024)

Member, Beijing Agents Association

Beijing Intellectual Property Service Industry Credit Endorsement List (2024)

Beijing Intellectual Property Service Industry Credit Endorsement List (2024)

Outstanding IP Service Team-China IP Magazine (2023)

Excellent Partner (Patent Applications)-SUNGROW (2023)

OPPO Core Team for 5G/AVS Patent Applications/Excellence in Invalidation & Litigation (2021)

Best in Chinese Patent Drafting Quality-SKG(2021)

Tier-A Agency for a Leading Global Internet Company (2024)

Cases & Law

A large number of PCT international applications and overseas intellectual property applications are submitted every year, and overseas disputes are also actively handled

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Supreme People's Court Interpretation on Several Issues Concerning the Application of Law in the Trial of Monopoly Civil Dispute Cases

Law Interpretation No. 6 (2024)Supreme Peoples Court Interpretation on Several Issues Concerning the Application of Law in the Trial of Monopoly Civil Dispute Cases (Passed by the 1915th meeting of the Adjudication Committee of the Supreme Peoples Court on February 4, 2024, effective from July 1, 202…

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The Notice of the CNIPA on Issuing the 14th Five-Year Plan for Intellectual Property Talents

Intellectual Property Administrations of all provinces, autonomous regions, municipalities directly under the Central Government, cities separately listed in the State plan, cities at the deputy provincial level, Xinjiang Production and Construction Corps, Intellectual Property Service and Promotion …

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Zhifan IP Attorneys Successfully Upholds the Validity of the Entire Patent Involved in the Field of Imaging Optics

Recently, China National Intellectual Property Administration issued the examination decision on request for invalidation regarding the patent “Imaging Optical System And Display Apparatus” (Application No.: 202110644041.4) represented by Beijing Zhifan IP Attorneys (hereinafter referred to as “Zh…

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Zhifan IP Attorneys Helps Client Secure Another Victory in Patent Administrative Litigation Against Umicore

Recently, the administrative litigation case involving Umicore’s dispute over the invalidation of an invention patent right filed against China National Intellectual Property Administration has concluded. Zhifan IP Attorneys successfully represented our client and secured another victory in the firs…

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Zhifan IP Attorneys Wins Administrative Litigation Against Umicore over a Core Patent for Battery Positive Electrode Materials

Recently, in the administrative litigation case involving Umicore’s dispute over the invalidation of an invention patent right filed against China National Intellectual Property Administration, Zhifan IP Attorneys successfully represented our client and won the first-instance administrative litigati…

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Zhifan IP Attorneys Successfully Invalidates the Entire Patent Involved in the Field of Electronic Atomizers

Recently, Zhifan IP Attorneys achieved a complete success in a patent invalidation case involving the electronic atomizer industry. China National Intellectual Property Administration officially issued the examination decision No. 583887 on request for invalidation, declaring that the patent with the…

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Zhifan IP Attorneys Assists Skechers China in Successfully Upholding Patent Rights Through Administrative Enforcement

In an era where intellectual property protection is gaining increasing attention, every enforcement action represents a steadfast defense of innovation. Recently, the internationally renowned footwear brand Skechers China filed 34 administrative enforcement requests with Quanzhou Administration for M…

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Zhifan IP Attorneys Successfully Invalidates the Entire Patent Involved in the Field of Home Appliances

Recently, a patent invalidation case involving the home appliance industry that Zhifan IP Attorneys represented has concluded. China National Intellectual Property Administration issued the examination decision No. 5W135406 on request for invalidation, declaring that the patent with the number “2022…

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Zhifan IP Attorneys Maintains Validity of Two Antibody Patents, Assisting the Client in Rights Protection

Recently, China National Intellectual Property Administration issued the examination decisions Nos. 4W117082 and 4W117083 on request for invalidation, declaring that the disputed patents remain valid. The request was adjudicated and concluded on March 29, 2024. We represented the client and achieved …

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Zhifan IP Attorneys Successfully Maintains Full Validity of Patent in the Field of 3D Printing

Recently, a patent invalidation case in the field of 3D printing, which was represented by our firm, has been concluded. China National Intellectual Property Administration issued the examination decision No. 5W134794 on request for invalidation, declaring that the patent with the number “2021225122…

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Zhifan IP Attorneys Successfully Invalidates the Entire Design Patent Involved in Litigation

On the path of intellectual property protection, Beijing Zhifan IP Attorneys (hereinafter referred to as “Zhifan IP Attorneys”) has always won widespread acclaim in the industry with its professional services and outstanding performance. Recently, Zhifan IP Attorneys once again demonstrated its str…

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Zhifan IP Attorneys Successfully Invalidates Utility Model Patent in Infringement Litigation

Recently, Zhifan IP Attorneys achieved favorable outcomes in both first-instance and second-instance administrative litigations for our client’s patent invalidation case, successfully maintaining the invalidation ruling that declared the patent entirely invalid. This result ensured our client’s exe…

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Zhifan IP Attorneys Secures Key Victory in Invalidation Request for a Large Furniture Manufacturing Group Client

Recently, China National Intellectual Property Administration issued the examination decision No. 5W130190 on request for invalidation, declaring that the disputed patent is entirely invalid. The invalidation request, concluded on May 10, 2023, resulted in a critical victory for our client as the inv…

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Zhifan IP Attorneys Assists OPPO in Achieving a Staged Success in Counter-Litigation Against Sharp

Since January 2020, Sharp has initiated several patent infringement litigations against OPPO in locations such as Tokyo, Japan, and Munich, Germany, aiming to capture the market. In response, OPPO took a tough stance. Since February of the same year, OPPO has filed two lawsuits against Sharp in Japan…

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Zhifan IP Attorneys Successfully Assists Easpeed in Maintaining Patent Validity: Air Imaging Holds Great Promise

(1) Case OverviewIn 2016, Han Dongcheng and Fan Chao, who were still postgraduate students at the University of Science and Technology of China (USTC), founded Anhui Easpeed Co., Ltd., which is dedicated to providing “interactive holographic air imaging solutions”.In 2017, with the guidance of thei…

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Zhifan IP Attorneys Successfully Assists OPPO in Winning the Gold Award for the 21st WIPO-CNIPA Award for Chinese Outstanding Industrial Design

Recently, China National Intellectual Property Administration announced the winners of the 21st WIPO-CNIPA Award, a national-level award of high prestige. Winning this award not only brings a reward of about 2 million yuan but also enhances the company’s influence in the field of intellectual proper…

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Supreme People's Court Interpretation on Several Issues Concerning the Application of Law in the Trial of Monopoly Civil Dispute Cases

The Notice of the CNIPA on Issuing the 14th Five-Year Plan for Intellectual Property Talents

Zhifan IP Attorneys Successfully Upholds the Validity of the Entire Patent Involved in the Field of Imaging Optics

Zhifan IP Attorneys Helps Client Secure Another Victory in Patent Administrative Litigation Against Umicore

Zhifan IP Attorneys Wins Administrative Litigation Against Umicore over a Core Patent for Battery Positive Electrode Materials

Zhifan IP Attorneys Successfully Invalidates the Entire Patent Involved in the Field of Electronic Atomizers

Zhifan IP Attorneys Assists Skechers China in Successfully Upholding Patent Rights Through Administrative Enforcement

Zhifan IP Attorneys Successfully Invalidates the Entire Patent Involved in the Field of Home Appliances

Zhifan IP Attorneys Maintains Validity of Two Antibody Patents, Assisting the Client in Rights Protection

Zhifan IP Attorneys Successfully Maintains Full Validity of Patent in the Field of 3D Printing

Zhifan IP Attorneys Successfully Invalidates the Entire Design Patent Involved in Litigation

Zhifan IP Attorneys Successfully Invalidates Utility Model Patent in Infringement Litigation

Zhifan IP Attorneys Secures Key Victory in Invalidation Request for a Large Furniture Manufacturing Group Client

Zhifan IP Attorneys Assists OPPO in Achieving a Staged Success in Counter-Litigation Against Sharp

Zhifan IP Attorneys Successfully Assists Easpeed in Maintaining Patent Validity: Air Imaging Holds Great Promise

Zhifan IP Attorneys Successfully Assists OPPO in Winning the Gold Award for the 21st WIPO-CNIPA Award for Chinese Outstanding Industrial Design

Information

The latest information from Zhifan Group and IP frontier is listed here for better understanding of Chinese IP practices.

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Beijing Zhifan IP Attorneys Selected for the 2025 Capital Intellectual Property Service Industry Credit Recommendation List

On February 25, 2025, the Capital Intellectual Property Services Association officially released the …

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Zhifan IP Attorneys Awarded the Title of “Trusted Patent Cooperation Partner for 2023-2024” by Skechers

In the steady progress in the field of intellectual property, every recognition is an affirmation of …

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Congratulations to Two Senior Attorneys from Zhifan IP Attorneys for Being Recognized on China IP Experts 2024 list by Asia IP

Asia IP, an authoritative intellectual property media outlet in Asian, released the 2024 China IP Exp…

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Zhifan IP Attorneys Participated in the IPBC Asia, Gaining Insights into Future Trends of Intellectual Property

From November 19 to 21, 2024, IAM, an international authoritative intellectual property information p…

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2024 China Enterprise Intellectual Property Development Forum Concluded Successfully, with Zhifan IP Attorneys Recognized on the Recommended List of Service Providers for Patent Invalidation Litigation

On October 26, 2024, the “2024 China Enterprise Intellectual Property Development Summit Forum” hos…

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Congratulations to Zhifan IP Attorneys for Being Recognized as a 2024 Recommended Firm (Mainland China) by Asia IP

Recently, Asia IP, an international authoritative intellectual property media outlet, released the 20…

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Representatives of Zhifan IP Attorneys Attend 2024 AIPPI World Congress

The Grand Congress Commences: A Joint Endeavor for ExcellenceFrom October 19 to 22, the highly antici…

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Zhifan IP Attorneys Proudly Ranks in Tier II of Asia IP’s Selection for China Patent Agencies and Recognized for Patent Dispute Case Services

Recently, Asia IP announced the results of its 2023 selection of patent agencies in mainland China wi…

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Congratulations to Zhifan IP Attorneys for winning two honors from Asia IP 2024: “Rising Star of the Year” and “Trademark Prosecution”

Recently, Asia IP, an international authoritative intellectual property media outlet, released the 20…

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Zhifan IP Attorneys

Committed to China's IP ecosystem with end-to-end solutions to international IP world

We cherish all the innovative ideas aimed to make a better life for mankind.

Add:11th Floor, Linghang Tech. Building, No. 68 Zhichun Road, Haidian District, Beijing 100098, CHINA

E-mail:mail@zhifancloud.com(Domestic)

   zf@zhifancloud.com(International)

Tel/Fax:+86-010-53381100

LinkedIn:Zhifan IP Attorneys

Website:www.zhifancloud.com

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