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Key contacts
Partner: James P Chen
Quick facts
Established

1994

Number of Partners

10

Total Number of IP Practitioners

400+

Languages

Chinese, English

Network Memberships

INTA, AIPPI, CBBC, FICPI

Key practice areas
Intellectual property
Trade mark
Patent
Trade mark disputes - domestic firms
Patent prosecution - domestic firms
Dispute resolution
Firm overview

Since its establishment in 1994, Kangxin has grown into a leader amongst IP law firms in China, with offices in Beijing, Tianjin, Qingdao, Xi’an, Wuhan, Hangzhou, and Guangzhou. Our client base includes domestic Chinese enterprises and international companies from around the world. We represent many different businesses, including start-ups, well-known domestic entities, and Fortune 500 multinationals. With dedicated teams specializing in IP litigation, enforcement, patents, and trademark prosecution, Kangxin remains a driving force for intellectual property protection in China and throughout the world.

At Kangxin, we focus on our clients' best interests; a business practice which sets us apart from other IP firms in China. Our efforts have earned the company numerous accolades including: “Top Honors” from Chambers and Partners, Legal 500, Managing Intellectual Property and World Trademark Review.

Kangxin IP Platform is a comprehensive IP management tool, backed by a team of professionals from Kangxin Partners, P.C. Combining IP, IT, and AI technology. Kangxin IP Platform provides a smart, one-stop, solution to maintain your trademark, brand protection, and copyright portfolio with a complete suite of protection services.

Our Service

Patents

Our Patent team is divided into three main divisions: Electronics, Chemistry & Life Sciences, and Mechanics. Each division has experts in the fields of chemistry, electronics, life sciences, pharmaceuticals, biotechnology, communications and computer technology, and mechanics. With a strong team of professionals, Kangxin is able to provide specific IP insight and practical advice to our clients in these industries.

Trademarks, Copyrights & Domain Names

Staffed by attorneys with experience in both Chinese and international law and practice, Kangxin is recognized as having one of the strongest trademark practice groups in China.
At Kangxin, we understand that trademark and copyright protection is the essence of your business. Our professionals will help you determine the optimum strategy for protecting your intellectual property rights, and will work with you to enforce these rights in the event of third-party conflicts and counterfeiting.
Our expert services would not be complete without domain name services. In today’s internet age, domain name issues can be a common issue. Our team has extensive experience in domain name registration and dispute resolution. We will represent you to negotiate with third-parties and domain name related disputes.

IP Enforcement

Kangxin’s legal practice has experience in a wide variety of intellectual property disputes, including those related to patents, trademarks, copyrights, trade secrets, unfair competition, and technology transfer disputes.
Our senior patent attorneys have over 20 years of practical field experience, while our litigation attorneys are intellectual property specialists with backgrounds particularly suited for intellectual property related litigation.

IP Strategy and Design

Our IP strategy and design practice includes preliminary, invalidation, and infringement searches. We provide IP strategic consulting services, and create patent maps for clients. In conjunction with both the Chinese government and corporate clients, we complete successful strategy projects each year.

Practice Areas & Sector Specialisations

Key IP Areas

Copyright & related rights, Designs, Intellectual property (contentious), Intellectual property (prosecution), IP transactions, Patent, Patent contentious, Patent prosecution, Trade mark, Trade mark contentious, Trade mark prosecution

Key Sector Expertise

Aerospace, Automotive, Biotechnology, Chemical, Construction & materials, E-commerce, Electrical, Electronics, Fashion & luxury goods, Food & beverage, Life sciences, Manufacturing, Mechanical, Medical device, Semiconductors, Telecommunication, Retail, Professional services, Pharmaceutical

Address:
16F, Tower A, InDo Building, 48 Zhichun Road Haidian District, Beijing, China
Beijing 100089
Tel:+86 0 10-56571597 Fax:+86 0 10-56571588 Email:Contact Us Web Address:https://en.kangxin.com/
2026 Edition
Patent disputes - domestic firms
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Chang Tsi & Partners
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Global Law Office
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Patent prosecution - domestic firms
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CCPIT Patent and Trademark Law Office
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Liu Shen & Associates
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Tier 3

AFD China
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East IP
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King & Wood
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Wanhuida Intellectual Property
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CCPIT Patent and Trademark Law Office
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Chang Tsi & Partners
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Fangda Partners
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China Patent Agent (HK)
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FenXun Partners
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GEN Law Firm
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JunHe
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LexField Law Offices
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Tahota Law Firm
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Tiantai Law Firm
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Watson & Band
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Trade mark prosecution - domestic firms
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Tier 1

CCPIT Patent and Trademark Law Office
6 practice areas
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King & Wood
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5 practice areas
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Tier 2

Chang Tsi & Partners
5 practice areas
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East IP
7 practice areas
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Kangxin Partners
6 practice areas
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NTD Intellectual Property Attorneys
5 practice areas
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Unitalen Attorneys at Law
9 practice areas
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Tier 3

IntellecPro
4 practice areas
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LexField Law Offices
6 practice areas
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AFD China
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An Tian Zhang & Partners
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AnJie Law Firm
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Beijing Sanyou Intellectual Property Agency
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China PAT Intellectual Property Office
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Lung Tin IP Attorneys
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Overview

Kangxin Partners, founded in 1994, is recommended for patent and trade mark work. The firm has patent expertise in electronics, chemistry, and mechanics. Every year, Kangxin experiences exponential growth as it maintains its dedication to delivering outstanding intellectual property services. 

Notable patent practitioners: Shirley W. DongJames P. ChenGary Wuand Mary Zhang. 

Notable soft IP practitioners: Samson G. Yu, Lichun Zhao, and Gloria Q. Wu. 

Testimonials

2026

"Kangxin have been consistently highly responsive and very alive to our client needs in relation to potential Chinese infringement activity. They provided creative and pragmatic advice and support, and were able to secure the evidence that we needed in an extremely efficient and impressive manner."

"Always ready to jump on a call; proactive."

 

2025

"A high-quality firm, very reliable."

"An expert and reliable IP firm."

"Kangxin Partners are extremely responsive, highly knowledgeable about Chinese IP law, efficient in their management of our matters, provide quality services for reasonable fees, and get results."

"Kangxin Partners are very responsive and conscientious."

"Kangxin Partners goes the extra mile to provide pre-filing advice, which helps to cut down on time and money spent on prosecution."

"They are efficient, prompt at acknowledging, and good."

"They are very quick to respond, and have the ability to delve into the issues."

"They respond promptly and thoroughly to enquiries. They provide clear, concise legal advice. They are very easy to deal with."

"We appreciate the team's deep understanding of IP law, particularly in navigating China's regulatory landscape. Their responsiveness and ability to provide clear, actionable advice have been instrumental in advancing our client's IP strategy. Additionally, they offer a good balance between technical expertise and legal insight, which ensures that our applications are robust."

"We selected Kangxin Partners based on their strong reputation in the IP field, particularly in patent prosecution and enforcement in China. Their familiarity with both local regulations and international standards, combined with positive past experiences, made them a natural choice for this project. We also value their industry-specific expertise, which has consistently proven helpful in our field."

Linked Reviews
Patent

Case studies show the firm successfully represented Bvlgari in filing an invalidation action against a design patent with the CNIPA and persuaded the panel that the patent, which closely resembled the iconic Serpenti jewelry, was wholly invalid for lack of novelty and distinctiveness. 

Trade mark

Case studies show the firm represented Man Marken in filing an invalidation action with the CNIPA and successfully persuaded the CNIPA to invalidate the trademark based on its similarity to the clients prior mark and the registrants systemic bad faith in copying well-known brands.

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