Insights

Successful Cases

Our Success in Patent Invalidation: Challenging “...

Our firm, in collaboration with Beijing Wei Chixue Law Firm, has recently closed...

Our Firm Represented a Trademark Administrative R...

Trademark administrative reconsideration refers to the administrative reconsidera...

News and Updates

Linda Liu & Partners’ Biotech Team Attends...

From September 16 to 18, 2026, the 11th IP Frontier Pharmaceutical Forum (IFPF 20...

We Attend the 15th China Intellectual Property An...

Recently, the 15th China Intellectual Property Annual Conference was successfully...

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Patent

・	On the Support for Sequence Homology in Patent Specification
	Fangyuan ZHENG Chinese Patent Attorney Biotech patent applications constantly fac...
・	Low Cost, High Efficiency: Sniping Power of Third-Party Observations
	Yongjie SONG Chinese Patent Attorney Introduction The Third-Party Observation (TP...
・	Study on Food Use Patents: Particularity of Claims and Infringement Determination
	Ran DUAN Chinese Patent Attorney [Abstract] Recent years have witnessed a signifi...
・	Requirement for Requesting PTE and Noteworthy Points in Calculation
	Wenhui ZHANG Chinese Patent Attorney I. Introduction The fourth amendment to the...
・	Effective Rebuttal on Multiple References Cited for an Individual/Single Distinguishing Feature
	Wenwen DAI Chinese Patent Attorney I. Introduction The Guidelines for Patent Exam...
・	Comparison of IP5 Restrictions to Corrections in Patent Invalidation Procedure Concerning Technical Features Not Included in Patented Claims
	Xiaowen SONG Chinese Patent Attorney It is widely recognized that restrictions on...
・	Preliminary Discussion on Inventiveness of Patent Applications Involving Algorithmic Features
	Dongyu LI Patent Attorney I. Introduction In recent years, technologies such as a...
・	The Invalidity Declaration System for Chinese Design Patents
	Baoyu ZHANG Chinese Patent Attorney China implements a preliminary examination sy...
・	The evaluation report for design patent rights
	Baoyu ZHANG Chinese Patent Attorney In China, utility models and design patents a...
・	Introduction to the Combined Design Application System in China
	Baoyu ZHANG Chinese Patent Attorney Under Article 31, Paragraph 2 of the Chinese...
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Trademark

・	Analysis on Brand Strategies of Onomatopoeic Trademarks —— A Comparative Study of Trademark Naming and Registration Status of Chinese and Japanese Enterprises
	Hui XIAO Chinese Trademark Attorney Abstract: This study conducts a comparative a...
・	“Minefields” in Goods/Services for International Trademarks Seeking Extension Protection in China: Lessons from Refusal Cases
	Nan WANG Chinese Trademark Attorney In the context of globalization, the Madrid I...
・	How to Build Brand Protection for “Neither Fish nor Fowl” Products? — A Brief Analysis of Trademark Portfolio Strategies for Multifunctional New Products
	Min CAO Chinese trademark attorney Currently, technological innovation has become...
・	Analysis on the Effective Strategies for Avoiding the Refusal under “Deceptive” Clause of Trademark Law
	Nan WANG Chinese Trademark Attorney In todays globalized business landscape, trad...
・	Analysis of the Trademark Use Circumstances as a Defense against Misidentification Clauses ——Trademark Sign Containing Terms of Raw Materials and Functional Features of Goods
	Keli ZONG Chinese Attorney at Law Chinese Trademark Attorney In recent years, the...
・	A Preliminary Analysis of the Strategies That Can Be Adopted in Trademark Refusal Appeal Cases Where Trademarks Are Identical or Similar
	Hui XIAO Chinese Trademark Attorney Linda Liu Partners I. Preface China, which ha...
・	Suspension of Review for the Refusal Appeal of Trademark Application
	Liying MENG Chinese Trademark Attorney In June 2023, the China National Intellect...
・	Trademark Infringement Issues that Cannot be Ignored in the Refurbishment of Used Goods
	Haisheng LIU Chinese Attorney at Law With the rapid economic development in the s...
・	Can “Coined Trademarks” Rest Easy? A Brief Analysis of the Inherent Registrability of English Coined Trademarks from a Perspective of Practice
	Min Cao Chinese Trademark Attorney In recent years, global economic and cultural...
・	The Infinite Beauty of the Metaverse Calls for Proactive Trademark Protection
	Hui XIAO Chinese Trademark Attorney Trademark Department Linda Liu Partners With...
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Others

・	Unlocking the New Value of Data: Data Intellectual Property Registration and Data Trading
	Liu Haisheng Attorney-at-Law In the digital wave, data has become a key factor of...
・	Notable Points for the Use of Intellectual Property Rights and Contractual Agreements in Co-branding
	Haisheng LIU Lin Xia Attorney-at-Law Shanghai Wei Liu Law Firm In todays extremel...
・	Examination and Collection of Network Evidence
	Linda Liu Partners Foreword Network evidence refers to the information obtained f...
・	IPR Protection Issues of Enterprises Relevant to Exhibitions
	Linda Liu Partners Foreword With the development of Chinas economy, exhibitions h...
・	Some Advice to European Companies on Intellectual Property Protection in China
	Linda Liu Partners Contrary to what many people had predicted, China didnt experi...
・	Customs Protection of Intellectual Property Rights
	Linda Liu Partners Preface Customs protection of intellectual property rights ref...
・	Civil Liability of Ceasing Infringement in IPR Litigation
	Linda Liu Partners Forward Civil litigation is a common tool for intellectual pro...
・	Several Issues on Network Infringement
	Linda Liu Partners In the latter 20 th century, one of the greatest achievements...
・	Brief Introduction on Declaratory Judgement Actions for Non-infringement of Intellectual Property
	Linda Liu Partners Generally, declaratory judgement actions for non-infringement...
・	Dispute Caused by Non-payment of Remuneration to the Employee Inventor
	Linda Liu Partners This case was initiated because an enterprise did not pay reas...
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