about us

About Li & Cai

Li & Cai IP Group, founded in 1985, is specialized in patent, trademark, copyright, IC related fields, trade secrets and other types of intellectual property rights and provides clients with the most reliable services with “ 聯 (linked in professionalism), 心 (passionate in service), 誠 (faith in quality), 意 (intent on providing sense of security) “. The services provided by Li & Cai IP Group cover patent and trademark applications, registrations, patent portfolio management, patent map production, patent infringement analysis, counseling on the establishment of intellectual property rights system for enterprises, copyright infringement analysis, and civil and criminal lawsuits related to intellectual property rights infringement, licensing negotiations, and enforcement of intellectual property rights.

Well-acknowledged Professional Services

The professional services provided by Li & Cai IP Group are highly appreciated by customers, so the number of IP right-related applications entrusted to Li & Cai IP Group has increased rapidly year by year. According to the statistics of the Taiwan Intellectual Property Office (TIPO) of the Ministry of Economic Affairs, the number of IP right-related applications filed by Li & Cai IP Group in Taiwan ranks among the top ten in Taiwan Intellectual Property Offices.

Li & Cai IP Group’s service quality and service satisfaction has been highly praised and recommended by domestic and foreign professional appraisal agencies:

  • Ranked as one of the global top 1000 patent offices by the IAM (Intellectual Asset Management) magazine

  • Ranked as the top IP Stars patent office by the MIP (Managing Intellectual Property)

  • Ranked as the global top 25 in IP Awards by tmt (Technology, Media, Telecoms.)

  • Honored as one of the top five domestic patent and trademark office with high customer satisfaction among the top 100 domestic offices in the survey and assessment of the Asia Pacific Intellectual Property Association (APIPA)

  • Recommended as one of the best IP office in Taiwan by the APIPA, and awarded the Asia-Pacific Patent Outstanding Contribution Award

  • Ranked as “Top Ten Patent Agents in Taiwan” by the IPRdaily Chinese Website

  • Registered as an intellectual property technical service organization by the Industrial Development Bureau of Ministry of Economic Affairs

  • Honored as being a member of Japan Intellectual Property Association


Strong Backing for Customers’ Global Development

Global development and competition are the inevitable trend of enterprise development, and the international layout of intellectual property rights is an important strategy for enterprises’ global development and competition. In order to provide professional intellectual property rights services needed by customers for global development, Li & Cai IP Group is collaborating with world-renowned intellectual property rights offices to improve the international service network and provide customers with global services. With the development of customers, Li & Cai IP Group has expanded its service scope from Taiwan to the United States, China, Japan and other countries, and has also established a branch office in the United States to provide customers with a full range of intellectual property rights layout suggestions and problem solutions through the speedy and timely professional services. “Where the customer develops, Li & Cai IP Group’s service is where it is” is the sincere service attitude of Li & Cai IP Group.

In the process of providing customers the international layout of intellectual property rights, Li & Cai IP Group’s professional attitude is highly recognized by peers of world-renowned IP offices that collaborated with Li & Cai IP Group, so Li & Cai IP Group is actively recommended by those peers to its customers. Therefore, the number of applications entrusted to Li & Cai IP Group by foreign customers has grown steadily, which is showing the professional service level and attitude of Li & Cai IP Group. With its globalization experience, Li & Cai IP Group not only provides intellectual property rights services in Traditional/Simplified Chinese, but also provides comprehensive services of intellectual property right in professional Japanese and English.
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Li & Cai History

1985

“Li & Cai Intellectual Property Office” was established. With the service attitude --“ 聯 (linked in professionalism), 心 (passionate in service), 誠 (faith in quality), 意 (intent on providing sense of security)

1995

Li & Cai Intellectual Property Office was actively expanding outwards, holding cross-strait intellectual property rights seminars from time to time. At the same time, Li & Cai has gain stable growth in domestic market.

2005

Li & Cai Intellectual Property Office’s professional service quality was highly praised and recognized:
. Ranked as one of the top five IP offices in Taiwan by the Asia Pacific Intellectual Property Association (APIPA).
. Recommended as one of the best IP offices in Taiwan by the APIPA, and won the Asia-Pacific Patent Outstanding Contribution Award.

2010

The US branch office was established in Washington DC, USA.
Li & Cai Intellectual Property Office was recommended as one of the global top patent offices by the IAM (Intellectual Asset Management) magazine.

2015

The “Li & Cai IP Group” was established.
Li & Cai IP Group was ranked as the top IP Stars patent office by the well-known MIP (Managing Intellectual Property) magazine.
Li & Cai IP Group was ranked as one of the global top 1000 patent offices by the IAM (Intellectual Asset Management) magazine.

Up to now

Li & Cai IP Group upholds our four core values of “leading”, “enthusiasm”, “innovation” and “professionalism” to provide the best IP rights-related services for enterprises.

1985

「聯誠國際專利商標聯合事務所」成立。 以「聯於專業,誠於品質」為核心主軸,在國內市場站穩基礎、締造佳績。

1995

向外積極擴展,不定期舉辦兩岸研討會,對內穩健成長,擴增公司規模。     

2005

努力經營之下,聯誠榮獲多項殊榮,在業界上榮備受肯定。
.亞太智慧財產權基金會 (APIPA) 評比前五名
.榮獲APIPA 推薦台灣最佳事務所、亞太卓越專利貢獻獎

2010

於美國華盛頓特區(Washington DC)設立美國分所
榮獲 IAM 推薦為全球頂級專利事務所之一 辦理國際專利取得與行使等研討會。

2015

「聯誠國際智權集團」成立
獲選知名雜誌 MIP 評比為臺灣最佳專利事務所之一
榮獲IAM 全球專利1000 強中被推薦為全球頂級專利事務所之一

迄今

秉持「領先」、「熱誠」、「創新」、「專業」的服務精神,為各企業獻上最佳的知識產權相關服務,以無愧獲得企業對台事務所服務滿意度。

Business Philosophy

Satisfying clients’ needs more than clients’ expected as the core goal
Engage professionals
On-the-job training
Passionate in service
Customer-oriented
Solve client’s issues with integrity
Professional service quality management
Stable development and continuing growth
Continue to cultivate in the professional field