Introduction of Liu, Shen & Associates

Author: | UpdateTime:2023-12-11 | Hits:

About Us

Established in 1993 as the first private patent agency authorized to handle foreign-related patent matters in China, Liu, Shen & Associates has now become one of the largest intellectual property law firms in China.  Liu, Shen & Associates provides high-quality services of patent and trademark prosecution and full-range IP-related legal services such as patent invalidation, patent infringement/administrative litigation, trademark infringement/administrative litigation, covering the technical fields of mechanics, electronics, telecommunications, chemistry and biomedicine.  As one of the pioneer IP-dedicated law firms in China, Liu Shen has already filed over 100k patent and trademark applications, with the grant rate above the average level.  In IP litigation field, Liu Shen has experiences of large quantity of technical cases about patent infringement, trademark infringement, and patent and trademark right administrative cases, trying the best to protect interests of clients.  The firm currently has 475 staff, including 90 attorney at law, 228 patent attorneys, 64 double-qualified attorneys and 13 trademark attorneys.


The firm’s practice mainly covers the following areas: IP filings, IP litigation and IP customs protection; complaint and litigation in all IP aspects, including patent infringement, counterfeit of patent and trademark, trademark infringement, copyright infringement, licensing agreement dispute, and remedy for unfair competition; registering IP customs protection for record, and applying for IP protection measures, and etc.

With solid science and engineering background, rich experiences in IP practices, and excellent bilingual abilities, the complete and mature legal team of Liu Shen, covering three main areas of mechanics, electronics and chemistry, continues to provide high-quality and high-efficient IP services and has won good reputation in IP sector.  The solid technical background enables the Liu Shen litigation team to have a strong capability of exploring intensively the key technology in the cases of patent, technical secrets and etc.  Experiences in patent infringement and invalidation are accumulated especially through a large number of cases about communication SEP, circuit hardware, software, complicated mechanics, biomedicine, medical instrument, articles of daily use, and etc., which is highly valued by clients and peers.  Many winning cases represented by the Liu Shen team are selected as Top 50 representative cases of Supreme People’s Court and Top 10 cases of local courts annually.  The firm has been honored as “Outstanding Law Firm” by the judicial administration for many times.  In the recent years, as the operation of IP rights has become increasingly active in the Chinese market, Liu Shen has handled hundreds of cases of patent transferring and licensing, due diligence investigating, freedom to operate and etc. in the newly emerging technical fields such as telecommunications, AI, and biomedicine, providing great support to the listing of company, the promotion of core products, and monetization of intellectual property rights.

Overseas IP business

Liu Shen also makes outstanding contributions to foreign patent filings for the Chinese enterprises, and has rich experiences in patent prosecution up to more than 10,000 cases in over 40 countries and regions including USA, Europe, Japan, Korea, India, Russia, Brazil, South Africa, Vietnam, Singapore, and Gulf States.  The quality management workflow and case-handling skills of foreign filings have helped the Chinese enterprises to guarantee the quality of the foreign patents.  Liu Shen handles nearly 1000 PCT applications and more than 1000 foreign patent filings on behalf of the Chinese enterprises every year. Liu Shen also provides quality legal services to the Chinese enterprises in handling foreign-related IP invalidation, litigation, licensing and other businesses, safeguarding IP rights of Chinese enterprises abroad. 

Liu Shen has maintained close relationship with such intellectual property organizations as ACPAA, ACLA, AIPPI, AIPLA, FICPI, and INTA, in which organizations several senior partners of Liu Shen have taken important positions.  Partners of Liu Shen have actively participated in and delivered multiple speeches on the international IP conferences to positively publicize the superiority of China IP system to the world.  The firm persists in contributing articles to the professional IP media including MIP, IAM, WTR, Lexology, Chambers & Partners and etc., sharing the professional insights in the IP field and communicating the Chinese voice of IP protection to the world.

Social Responsibility

While growing its business, Liu Shen always bears the social responsibility in mind and is vigorously involved in many public popularization activities assisting the IP protection of enterprises.  Such activities include: the speech of “Improvement of patent litigation procedures under punitive damages” on the 7th Forum on Innovation China and IP Protection; sharing the topic of “Industrial upgrade and high-valued patent cultivation and operation” on the Final of China-Haidian High-valued Patent Cultivation Contest and the high-end forum in 2019; International Seminar of IP Laws and Practices in Biomedicine Field in 2019; the speech of “Damage Compensation of Patent Infringement in China and US” in Zhongguancun IP Auditorium; Forum on Judicial Protection of Intellectual Property of Software in 23th China International Software Expo in 2019; Sino-America IP Protection Seminar in 2019; the speech of “Analysis on FRAND Rules in China” in 2018 International IP Business Forum; the speech of “Obtaining Global High-Valued Patent Portfolio – From China to the World” in 2018 China Patent Annual Conference, and etc. It strives to raise the awareness of importance of IP protection for more and more Chinese enterprises and to improve the value of their intellectual property rights.

The firm often carries out a variety of fitness activities to take care of the health of employees.  The firm donated 1 million yuan RMB to the Red Cross against the COVID-19 pandemic.