From its foundation as a Beijing-based specialist practice, China PAT has evolved into an integrated intellectual property partner, serving innovators across multiple jurisdictions. Our international presence spans five strategic domestic branches in Hong Kong SAR, Xi'an, Changsha, Wuhan, and Shenzhen, complemented by cross-continental advisory desks, enabling synchronized protection strategies in key technology markets.
The cornerstone of our operation lies in a 500-member family where dual-qualified practitioners merge research laboratory experience with legal mastery. This matrix expertise structure weaves together former patent examiners, technology transfer veterans from corporate R&D divisions, and juridical strategists – all fluent in translating technical specifications into enforceable rights frameworks.
Our approach prioritizes the integration of diverse expertise to craft strategies that anticipate and overcome market challenges. This synergy is reinforced by our multidimensional quality assurance protocols, ensuring consistent service standards across our global network. Coordinated workflows among our multilingual specialists in Mandarin, English, Japanese, and Korean further enhance service efficiency and accuracy.
China PAT is a polymath, well-versed in cutting-edge science and technology, and proficient in law and management. Our long-term vision drives us to craft the most risk-resilient and future-proof strategies, ensuring your sustainable and enduring success in China.
CCPIT PATENT AND TRADEMARK LAW OFFICE, with a history dated back to 1957, is the oldest full-service Chinese intellectual property law firm. We have 320 patent and trademark attorneys, more than 100 of whom have Chinese Lawyer's Qualification or passed bar examination of other jurisdictions.
We provide one-stop professional services, including consultation, prosecution, mediation, administrative enforcement and litigation services, in relation to patents, trademarks, copyrights, domain names, trade secrets, unfair competition and other intellectual property-related matters.
Headquartered in Beijing, we have branch offices in New York, Tokyo, Hong Kong, Guangzhou, Shanghai, Shenzhen and Wuhan.
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, Guangzhou and Dongguan. 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.
Purplevine IP Group, incorporated in Shenzhen, China, is a China-based, global-facing premier IP service provider, dedicated to building a bridge for international innovation collaboration and IP value realization. We provide one-stop, full-service patent solutions to our clients, covering global patent prosecution, IP analysis & consulting, IP investment, IP transaction, licensing, enforcement and dispute resolution.
Purplevine now delivers professional services through more than 400 team members, located in 10 offices worldwide. Our professional team, all from industry-leading technology companies and top-notch international firms, have unrivalled industry insight and expertise. As an internationally integrated IP service provider with a solid footing in both law and technology, Purplevine offers a wide selection of professional, innovative and practical solutions to effectively meet our clients’ every need.
Purplevine has built a global network including IP agencies, patent & trademark firms, law firms, IP operating companies and IP investment funds, with footprints in major IP centers of the Greater China region including Shenzhen, Beijing, Shanghai, Wuhan, Chengdu, Suzhou, Nanjing, and Hong Kong, as well as international IP hubs such as US and Europe.
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