The Puzzle of the Deregistered Citation Owners
News・2025-03-08 18:42:00
The Puzzle of the Deregistered Citation Owners

Ways to Make Multiple Claim Amendments in Invalidation Actions and the Associated Risk
News・2025-03-08 18:43:01
Ways to Make Multiple Claim Amendments in Invalidation Actions and the Associated Risk

New Revisions to PRC Patent Law
News・2025-03-08 18:43:24
New Revisions to PRC Patent Law

Xiaomi v. IDC: First Suit over Global FRAND Rates before Chinese Courts
News・2025-03-08 18:43:54
Xiaomi v. IDC: First Suit over Global FRAND Rates before Chinese Courts

First Anti-Suit Injunction Granted by Chinese Court: Conversant Was Enjoined from Enforcing German Injunction
News・2025-03-08 18:44:24
First Anti-Suit Injunction Granted by Chinese Court: Conversant Was Enjoined from Enforcing German Injunction

Beijing Higher People’s Court’s New Rules on Patents
News・2025-03-08 18:45:14
Beijing Higher People’s Court’s New Rules on Patents

Chinese Pharmaceutical Landscape Poised for IP and Other Regulatory Changes
News・2025-03-08 18:45:40
Chinese Pharmaceutical Landscape Poised for IP and Other Regulatory Changes

TRAB Plans to Publish All Its Decisions, Gradually
News・2025-03-08 18:46:37
TRAB Plans to Publish All Its Decisions, Gradually

The Trademark Review and Adjudication Board of China (TRAB) recently published a review of its own decisions made in 2015 and then subjected to judicial review.
News・2025-03-08 18:47:03
The Trademark Review and Adjudication Board of China (TRAB) recently published a review of its own decisions made in 2015 and then subjected to judicial review.

Incorrect Similarity Analysis Still the Top Reason for Reversal of TRAB Decisions
News・2025-03-08 18:47:58
Incorrect Similarity Analysis Still the Top Reason for Reversal of TRAB Decisions

More Goods/Services Acceptable to China Trademark Office, See If You Can Get ExactlyWhat You Want!
News・2025-03-08 18:48:23
More Goods/Services Acceptable to China Trademark Office, See If You Can Get ExactlyWhat You Want!

The First Sound Mark Registered in China
News・2025-03-08 18:48:43
The First Sound Mark Registered in China

25 Local AICs Are Authorized to Receive Pledge Applications of Trademark Rights Free of Charge
News・2025-03-08 18:49:18
25 Local AICs Are Authorized to Receive Pledge Applications of Trademark Rights Free of Charge

Beijing Intellectual Property Court Pioneered a Try on Establishing the System of Stare Decisis
News・2025-03-08 18:49:39
Beijing Intellectual Property Court Pioneered a Try on Establishing the System of Stare Decisis

The State Council: Exploration on Punitive Compensation System in the IPR Field
News・2025-03-08 18:50:00
The State Council: Exploration on Punitive Compensation System in the IPR Field

The Supreme Court Exploring Feasibility of Establishment of IPR Evidence Disclosure System and Reforming the Current Patent Invalidation System
News・2025-03-08 18:50:21
The Supreme Court Exploring Feasibility of Establishment of IPR Evidence Disclosure System and Reforming the Current Patent Invalidation System

The Supreme Court Suggested Establishing IPR Higher Court
News・2025-03-08 18:50:42
The Supreme Court Suggested Establishing IPR Higher Court

SAIC Published the Rules for Recognition and Protection of the Well-known Trademarks
News・2025-03-08 18:51:10
SAIC Published the Rules for Recognition and Protection of the Well-known Trademarks

Proactive Communication and Good Evidence Can Persuade Appeal Examiners
News・2025-03-08 19:07:07
Proactive Communication and Good Evidence Can Persuade Appeal Examiners

Supreme People’s Court Took Opposite Directions on Claim Construction in Two Cases
News・2025-03-08 19:08:03
Supreme People’s Court Took Opposite Directions on Claim Construction in Two Cases

Supreme Court Sends Alert on Drafting Quality by Restricting Doctrine of Equivalents
News・2025-03-08 19:08:25
Supreme Court Sends Alert on Drafting Quality by Restricting Doctrine of Equivalents

Noteworthy Issues in China's First Judicial Interpretation on Patent Validity
News・2025-03-08 19:08:49
Noteworthy Issues in China's First Judicial Interpretation on Patent Validity

Statistics of Chinese SEP Cases in 2011-2019
News・2025-03-08 19:09:16
Statistics of Chinese SEP Cases in 2011-2019

Best Practice to Handle Broken Lines in Designs to Be Filed in China
News・2025-03-08 19:09:43
Best Practice to Handle Broken Lines in Designs to Be Filed in China

Registration of "State Names": Never Say Never
News・2025-03-08 19:10:09
Registration of "State Names": Never Say Never

A Trademark Registration in Danger Due to a Flaw in Business License
News・2025-03-08 19:10:29
A Trademark Registration in Danger Due to a Flaw in Business License

Xiaomi Sues Sisvel in Beijing: The First Lawsuit Seeking a Determination of Chinese SEP Royalty
News・2025-03-08 19:10:52
Xiaomi Sues Sisvel in Beijing: The First Lawsuit Seeking a Determination of Chinese SEP Royalty

China's "New" Undertakings on IP in Phase-One Trade Agreement
News・2025-03-08 19:11:18
China's "New" Undertakings on IP in Phase-One Trade Agreement

CNIPA Changing Attitude to Consent Letter for Identical Trademarks
News・2025-03-08 19:12:17
CNIPA Changing Attitude to Consent Letter for Identical Trademarks

Huawei v. Conversant: Setting the FRAND Rates for SEPs in Chinese Market
News・2025-03-08 19:13:40
Huawei v. Conversant: Setting the FRAND Rates for SEPs in Chinese Market

Chinese Supreme Court Aims for Higher Efficiency and Greater Predictability in Patent Disputes
News・2025-03-08 19:14:03
Chinese Supreme Court Aims for Higher Efficiency and Greater Predictability in Patent Disputes

CNIPA's Draft Rules May Make It Easier to Obtain Business Method Patents
News・2025-03-08 19:14:23
CNIPA's Draft Rules May Make It Easier to Obtain Business Method Patents

Trademark Use + Unauthorized Use  →  Infringement
News・2025-03-08 19:14:47
Trademark Use + Unauthorized Use → Infringement

China Deleted Restrictions on Technology Transfer Widely Criticized by Foreigners
News・2025-03-08 19:15:10
China Deleted Restrictions on Technology Transfer Widely Criticized by Foreigners

Chinese Supreme Court Restricts Patent Owner's Capability to Amend Markush Claim in Invalidation
News・2025-03-08 19:15:31
Chinese Supreme Court Restricts Patent Owner's Capability to Amend Markush Claim in Invalidation

Beijing Higher Court holds a Markush claim May Include Multiple Solutions
News・2025-03-08 19:15:53
Beijing Higher Court holds a Markush claim May Include Multiple Solutions

First Infringement Judgment Casts Doubt on Value of GUI Design Patents
News・2025-03-08 19:16:22
First Infringement Judgment Casts Doubt on Value of GUI Design Patents

New Case Report in China: Amendment of Markush Claims in Invalidation Proceedings
News・2025-03-08 19:16:45
New Case Report in China: Amendment of Markush Claims in Invalidation Proceedings

A Generic Term Incorporated Could Cause the Entire Trademark Invalidated
News・2025-03-08 19:17:11
A Generic Term Incorporated Could Cause the Entire Trademark Invalidated

Taobao Sues Seller of Counterfeits for Breach of Contract
News・2025-03-08 19:17:34
Taobao Sues Seller of Counterfeits for Breach of Contract

TRAB Recognizes Use of Trademarks in China Based on Mass Media Reports
News・2025-03-08 19:17:55
TRAB Recognizes Use of Trademarks in China Based on Mass Media Reports

OEM is Found Infringing When the Trademark Used is NOT the Same
News・2025-03-08 19:18:23
OEM is Found Infringing When the Trademark Used is NOT the Same

LexField and partners Hongyi Jiang , David Huang are listed on the IAM 2024 Patent List
News・2025-03-08 20:05:51
LexField and partners Hongyi Jiang , David Huang are listed on the IAM 2024 Patent List

LexField Consecutively Ranked by MIP for 2024
News・2025-03-08 20:06:15
LexField Consecutively Ranked by MIP for 2024

LexField Partner Ranked in the "A-List" Published by China Business Law Journal
News・2025-03-08 20:06:41
LexField Partner Ranked in the "A-List" Published by China Business Law Journal

LexField Senior Partner Hongyi Jiang was Listed in the "2024 LEGALBAND China Top Lawyers Ranking"
News・2025-03-08 20:07:04
LexField Senior Partner Hongyi Jiang was Listed in the "2024 LEGALBAND China Top Lawyers Ranking"

LexField and Partners Consecutively Ranked by Chambers & Partners for 2024
News・2025-03-08 20:07:34
LexField and Partners Consecutively Ranked by Chambers & Partners for 2024

LexField and Partners Consecutively Ranked by WTR 1000 for 2022
News・2025-03-08 20:07:57
LexField and Partners Consecutively Ranked by WTR 1000 for 2022

LexField and Partners Consecutively Ranked by WTR 1000 for 2022
News・2025-03-08 20:08:43
LexField and Partners Consecutively Ranked by WTR 1000 for 2022

LexField and its partners Hongyi Jiang, David Huang and Qishan Zhao are listed on the IAM 2022 Patent List
News・2025-03-08 20:09:32
LexField and its partners Hongyi Jiang, David Huang and Qishan Zhao are listed on the IAM 2022 Patent List

Proactive Communication and Good Evidence Can Persuade Appeal Examin
News・2025-03-08 20:09:56
Proactive Communication and Good Evidence Can Persuade Appeal Examin

LexField and Partners Hongyi Jiang, David Huang Ranked in Tier 1 by IAM 2021
News・2025-03-08 20:10:18
LexField and Partners Hongyi Jiang, David Huang Ranked in Tier 1 by IAM 2021

LexField and Partners Hongyi Jiang, David Huang Ranked in Tier 1 by IAM 2020
News・2025-03-08 20:10:38
LexField and Partners Hongyi Jiang, David Huang Ranked in Tier 1 by IAM 2020

LexField and Partner Jan Liu Consecutively Ranked by MIP for 2020
News・2025-03-08 20:10:59
LexField and Partner Jan Liu Consecutively Ranked by MIP for 2020

LexField and Partners Consecutively Ranked by WTR 1000 for 2019
News・2025-03-08 20:12:02
LexField and Partners Consecutively Ranked by WTR 1000 for 2019

LexField and Partners Once Again Ranked by IAM 1000
News・2025-03-08 20:13:07
LexField and Partners Once Again Ranked by IAM 1000

LexField and Partners Once Again Ranked by WTR 1000
News・2025-03-08 20:13:45
LexField and Partners Once Again Ranked by WTR 1000

LexField Senior Partner Ranked in the "A-List" Published by China Business Law Journal
News・2025-03-08 20:14:41
LexField Senior Partner Ranked in the "A-List" Published by China Business Law Journal

LexField and Attorneys Once Again Ranked Top in Chambers Asia-Pacific Guide
News・2025-03-08 20:15:04
LexField and Attorneys Once Again Ranked Top in Chambers Asia-Pacific Guide

Main Changes in the Draft Amendment to the Anti-Unfair Competition Law of the People's Republic of China Announced on December 25, 2024
News・2025-04-15 03:06:48
Main Changes in the Draft Amendment to the Anti-Unfair Competition Law of the People's Republic of China Announced on December 25, 2024

Notice on Issuing the   "2025 Intellectual Property Administrative Protection Work Plan"
News・2025-04-23 03:22:53
Notice on Issuing the "2025 Intellectual Property Administrative Protection Work Plan"

Interpretation of Several Issues Concerning the Application of Law in Handling Criminal Cases of Intellectual Property Rights Infringement by the Supreme People's Court and the Supreme People's Procuratorate
News・2025-05-08 01:06:28
Interpretation of Several Issues Concerning the Application of Law in Handling Criminal Cases of Intellectual Property Rights Infringement by the Supreme People's Court and the Supreme People's Procuratorate

Key infringement cases highlight Chinese courts’ approaches to damages
News・2025-05-12 06:31:06
Key infringement cases highlight Chinese courts’ approaches to damages

News・2025-05-19 08:40:21

News・2025-05-19 08:56:36

Lexfield and Partners Again Recognized in Chambers Greater China Legal Guide 2025
News・2025-05-20 02:04:21
Lexfield and Partners Again Recognized in Chambers Greater China Legal Guide 2025

Lexfield and Attorneys Again Recognized in WTR1000
News・2025-05-20 02:11:06
Lexfield and Attorneys Again Recognized in WTR1000

News・2025-05-21 06:00:14

News・2025-05-21 07:15:31

News・2025-05-21 07:42:51

News・2025-05-29 08:03:14

News・2025-06-09 08:12:29

News・2025-06-10 09:26:52

LexField and partners Ranked by Benchmark Litigation China 2025
News・2025-06-13 05:44:18
LexField and partners Ranked by Benchmark Litigation China 2025

News・2025-06-18 03:27:17

Attorney profile Signature
Jan Liu
Senior Partner
Attorney at Law
Trademark Attorney
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Hongyi Jiang
Senior Partner
Attorney at Law
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Amy Zhang
Partner
Attorney at Law
Trademark Attorney
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Jicheng Zhang
Partner
Patent Attorney
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David Huang
Partner
Attorney at Law
Patent Attorney
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Nancy Zhang
Partner
Attorney at Law
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Mason Xi
Partner
Patent Attorney
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Hongbin Zhang
Partner
Attorney at Law
Patent Attorney
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Yuan Yuan
Partner
Attorney at Law
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Cris Wang
Partner
Attorney at Law
Patent Attorney
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Lily Liu
Counsel
Attorney at Law
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Lexie Li
Counsel
Attorney at Law
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Qishan Zhao
Partner
Attorney at Law

Trademark and Anti-unfair Competition

Our Trademark Group is well-known in the market for its high-quality service. We have a well-recognized reputation among many of the world’s leading companies and brands for prosecution and enforcement matters throughout China.

Patent

Our Patent Group includes attorneys and patent agents with advanced academic degrees covering all the major technical areas such as electrical engineering, telecommunication, computers, Internet, life sciences, chemistry, chemical engineering and mechanical.

IP Litigation

Our IP Litigation Group is led by a number of leading pioneers in the field. Most of our litigators have both law and science degrees. Our expertise is shown in our excellent winning records before the courts, the Patent Reexamination Board and the Trademark Review and Adjudication Board.

Copyright

LexField has been successful and acquired extensive experience in copyright litigation and non-litigation practice. We have won many copyright cases for our clients.

Anti-Trust

LexField has real experience representing plaintiffs in anti-trust litigations even before the Anti-monopoly Law was enacted. We have done quite a few researches on anti-monopoly law, especially those related to intellectual property laws.

Licensing, IP Transaction and Others

LexField has developed unique insights and legal resolutions based on years of in-depth study of Chinese laws and relevant international treaties. We know how to resolve legal risks and we have a proven record of doing so for numerous multinational clients.