管理合伙人 | 律师
争议解决 | IP Commercial
北京 | 香港 | 美国
We are proud of our outstanding reputation and service, which is marked by our professional and efficient work, and successful results. We strive to provide comprehensive, one-stop, and multi-leveled legal services for our clients.
Our intellectual property practice includes trademarks, patents, copyrights (including software), domain names, trade secrets, product packaging and decoration, management and transfer of intellectual property rights, unfair competition, consumer rights, advertising, and related services.
We are a leading IP law firm with both trademark and patent expertise, and our highly experienced and professional attorneys work in teams to provide our clients with the most comprehensive and sophisticated advice. Whenever our domestic and foreign clients face a difficult intellectual property issue of any kind, they can depend on Chang Tsi & Partners to come up with effective solution and provide the best legal services.
Our firm provides comprehensive prosecution and enforcement services to domestic and international clients, including market surveillance, business investigations, administrative actions, customs enforcement, infringement litigation, and corporate intellectual property strategy development, adding value to brand designs, trademark licensing, and intellectual property due diligence.
争议解决 | IP Commercial
北京 | 香港 | 美国
商标确权 | 争议解决
北京 | 上海 | 香港
专利外观 | 反垄断与不正当竞争
北京
专利外观 | 反垄断与不正当竞争
深圳 | 香港 | 台湾
反垄断与不正当竞争 | 著作权和域名
北京 | 上海
专利确权 | 争议解决
深圳 | 香港
Trademark law is a key practice area of our firm. Chang Tsi is known for its efficient work style and rich foreign agency experience in this field. Our lawyers and trademark agents are able to deal with any kind of complicated trademark matter whether it involves enforcement, market protection, commercial transactions, adding values to brand, etc.
Our services include:
Patent service is one of core services in Chang Tsi & Partners. As the “Top-Tier Intellectual Property Firm in Asia Pacific” and “Best Intellectual Property Firm in China” appraised by a host of authoritative legal rating agencies such as Chambers Asia Pacific and China Law & Practice, Chang Tsi & Partners provides patent legal services in the core service fields and wins a wide recognition in industry. Chang Tsi & Partners has been consecutively appraised as Leading Patent Law Firm by Managing IP (Patent) since 2014, has been listed as “Highly Recommended Patent Law Firm in China” for 4 consecutive years by IAM Patent 1000 in the list of top worldwide patent agencies, and is also appraised as “Outstanding Patent and Trademark Law Firm in China” by Managing IP.
Globally-oriented Chang Tsi & Partners approaches intellectual property from a resolutely commercial perspective and utilizes sophisticated client and file management systems to ensure a seamless customer experience. Domestic and international patrons receive a dedicated service from three specialist teams – electrical, mechanical and biochemistry – and are never left in the dark as to the progress of prosecution or litigation efforts. The squad practices in English, Chinese and Japanese – a further draw for global players.
Chang Tsi & Partners boasts exceptionally excellent Chinese patent professionals, and most of them have science or engineering and law academic background. Over one third of practitioners have the qualifications of practicing lawyers and patent attorneys in China, and one fourth of practitioners have received education in other countries and are holders of patent agency qualifications in the United States and other countries. The patent attorneys in Chang Tsi & Partners not only have expertise in patent laws of China, the United States, Japan, and European countries, but also are proficient in languages such as English, Japanese and German. Our patent team consists of litigation lawyers who have many years’ litigation experience and former senior judges and patent examiners who have the experience in court IP trial and worked in the Patent Reexamination Board under the SIPO, as well as experts who are both lawyers and scholars. With a goal of maximizing the clients’ interests in light of clients’ needs, we are capable of proposing strategic, professional and innovative solutions to complicated legal issues and providing comprehensive, multilayered and one-stop legal services to clients.
Philosophy and practicing objective of maximizing clients’ interests
Team of professional interdisciplinary talents
Institution --- a law firm with patent agency qualifications and specialized in providing IP services.
Team --- a team consisting of five partners and over 50 interdisciplinary talents, wherein most of them have more than ten years’ patent practicing experience; many have the lawyer qualifications and patent attorney qualifications, have a grasp of professional skills and the law, and are proficient in foreign languages.
Experience and skills --- we have dealt with a host of complex disputes and litigation cases, and thus accumulated rich experience and possess more professional legal skills compared with other agencies; we have the capability of more acute risk judgment and recognition, and thus are capable of avoiding potential legal risks when providing patent legal services.
Management---excellent and professional attorney team, strong workflow management team, strict quality control system, efficient time limit supervision.
Operation ---corporate management and team operation can integrate all resources in the law firm and provide comprehensive services to clients.
Comprehensive, multilayered and one-stop
Comprehensive:
As for the business scope, the patent services in Chang Tsi & Partners cover every aspect of patent matters, including invention, utility model, design, proprietary technology, trade secrets, product packaging and decoration, protection of new plant varieties, layout design of integrated circuits, patent management and assignment and unfair competition associated with patent, consumer rights and interests, product liability, advertisement and other fields.
Multilayered:
Including levels such as acquisition and maintenance of rights, protection of rights, commercial operation of rights and enterprise IP strategy.
Acquisition and maintenance of rights: patent layout, preparation of patent application documents, patent application, handling of notification of office action, invalidation for reexamination, administrative litigation of patent right verification, management of annual fees and patent maintenance.
Protection of patent rights: market investigation and monitoring, infringement analysis and proposals for protection against infringement, non-litigation dispute settlement (lawyer’s letter and claim for non-litigation infringement), administrative complaints on patent infringement, and civil action and criminal litigation against patent infringement.
Commercialization of patent rights: assessment of patent value, due diligence of patent lawyers, patent licensing and assignment, special legal services in the process of commercialization of patents and the like.
Enterprise patent protection strategy: including patent analysis of competitors, proposals for patent global layout of enterprises, proposals for patent management architecture of enterprises, and patent management process of enterprises and specification formulation.
One-stop:
We have rich experience in patent invalidation, patent administrative complaint and patent civil litigation. Meanwhile, our vision of business is not limited to patents, since we have rich experience of combining patents with other intellectual property rights, such as trademarks, copyrights, special package and decoration of well-known goods, and anti-unfair competition. A favorable judgment is not the end of our service, and we have a wealth of experience and success stories in promoting enforcement of such judements.
International Perspective
International working standards, international management and operation, and promote a long-term, extensive and closely-bonded business cooperation worldwide. Furthermore, the control systems of workflow and quality on the same level as globally-acclaimed practices.
Corporate Management and Team Operation
With regard to important or complicated cases, we have the ability to mobilize all the resources in the firm to deal with them; and we have a perfect team spirit and philosophy in a team consisting of attorneys, patent agents and investigators.
Customization and Result Orientation
In the process of acting on a case, we will, based on the case conditions and litigation objective of the client, aim at achieving the benefit maximization of the client, and creatively providing a customized solution for the client, so as to seek the accomplishment of the litigation objective. The win rate of the cases of patent invalidation that we represent can be more than 80%, including the cases both of declaration of invalidation on behalf of a petitioner, and of declaration of invalidation on behalf of a patent holder.
The number of litigations on patent we represent has amounted to more than 200, with a win rate of 90% whether on behalf of a plaintiff or a defendant.
Chang Tsi & Partners has substantial expertise in providing legal services related to copyright and domain names, including copyright and domain name registration, customs recordation of copyrights, reclaiming infringing domain names, and other related matters.
Our services include:
Copyright Registration
Copyright Infringement
Domain Name
Administrative protection is a uniquely Chinese way to enforce intellectual property rights in a fast and cost-effective manner. Chang Tsi & Partners provides high quality, efficient, and professional market monitoring services, business surveys, administrative investigations, customs registration and intellectual property protection services for domestic and foreign clients. We have strong relationships and communication channels with administrative law enforcement organs at all levels, which we frequently use to protect and promote the rights and interests of our clients.
Our services include:
Chang Tsi & Partners has represented many leading multinational and Chinese corporations, including many Fortune 500 Companies in all kinds of intellectual property disputes, including trademark and patent administrative proceedings, civil litigation involving patents, trademarks, copyrights (including software copyrights), domain names and trade secrets, and criminal trademark and patents prosecution cases, through which we have gained a strong reputation and extensive experience. We have been recognized as a leading law firm with great expertise in solving the most challenging and complex intellectual property related matters. Many cases handled by Chang Tsi & Partners have had significant impact, and our cases have been highlighted as representative cases by courts at all levels, including the Supreme People's Court.
Our services include:
In addition to intellectual property prosecution and enforcement, Chang Tsi & Partners also provides customized corporate intellectual property strategy development, brand licensing, franchising, due diligence and other intellectual property rights related services.
Our services include: