about us

About Li & Cai (and About Us)

Li & Cai IP Group, founded in 1985, is specialized in various fields of intellectual property rights including patents, trademarks, copyrights, IC related fields, trade secrets and more.

Upholding the principles of linked professionalism “聯”, passion for service “心”, faith in quality “誠”, and dedication to providing security “意,” we provide clients with comprehensive and reliable services.

Our services encompass patent and trademark applications, registrations, patent portfolio management, patent map creation, patent infringement analysis, guidance on the establishment of IP rights systems for enterprises, copyright infringement analysis, civil and criminal litigation related to IP rights infringement, licensing negotiations, and enforcement of IP rights.

Highly Regarded Professional Services

The professional services offered by Li & Cai IP Group have garnered high praise from our clients, leading to a significant year-on-year increase in the number of intellectual property rights-related applications entrusted to us. According to statistics from the Taiwan Intellectual Property Office (TIPO) of the Ministry of Economic Affairs, the volume of intellectual property rights-related applications filed by Li & Cai IP Group places us among the top ten intellectual property offices in Taiwan.

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

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

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

  • Ranked 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 offices in Taiwan by the APIPA, and awarded the Asia-Pacific Patent Outstanding Contribution Award

  • Ranked “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 a member of Japan Intellectual Property Association

  • Ranked in the ASIA IP firm list


Supporting Our Clients’ Global Expansion

Global development and competition are inevitable trends in business growth, and the international strategy for intellectual property rights is a crucial aspect of this global expansion. To cater to our clients’ needs for professional intellectual property services on a global scale, Li & Cai IP Group collaborates with renowned intellectual property offices worldwide.

This collaboration enhances our international service network and allows us to offer global services. As our clients expand, so does our service scope, extending from Taiwan to the United States, China, Japan, and beyond. We have also established a branch office in the United States to provide prompt, professional services, offering comprehensive intellectual property rights strategies and solutions.

“Wherever our clients expand, that’s where our services reach” encapsulates the dedicated service ethos of Li & Cai IP Group.

In the process of assisting clients with their international intellectual property rights strategies, Li & Cai IP Group’s professional approach has been highly recognized by our peers at globally renowned IP offices. This recognition has led to active referrals from these peers, resulting in a steady increase in the number of applications entrusted to us by foreign clients. This growth reflects the professional service level and attitude of Li & Cai IP Group. Leveraging our global experience, we provide comprehensive intellectual property rights services not only in Traditional and Simplified Chinese but also in professional Japanese and English.
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Li & Cai History

1985

Li & Cai Intellectual Property Office was established with a service ethos encapsulated in the principles of "聯 (linked professionalism), 心 (passion for service), 誠 (faith in quality), and 意 (dedication to providing security)".

1995

Li & Cai Intellectual Property Office has been actively expanding its reach, regularly hosting cross-strait intellectual property rights seminars. Concurrently, Li & Cai has achieved steady growth in the domestic market.

2005

The professional service quality of Li & Cai Intellectual Property Office received high praise and recognition:
- Ranked among 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 APIPA and honored with 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 founded and has since received significant recognition:
- Ranked as the top IP Stars patent office by the renowned MIP (Managing Intellectual Property) magazine.
- Listed among the top 1000 global patent offices by the IAM (Intellectual Asset Management) magazine.

Up To the Present Time

Li & Cai IP Group continues to uphold the four core values of "leadership", "enthusiasm", "innovation", and "professionalism", striving to provide the best intellectual property 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

Meeting and exceeding customer needs is our core goal
Engage professional talent
Continuous on-the-job training
Dedicated service
Customer-centric
Solve client issues with integrity
Professional service and quality management
Stable development and continuous growth
Cultivation in professional fields