About Us
Centering Values and Innovation as Our Focus

Our core values of “we care,”“we serve,” and “we excel”ᅠguideᅠourᅠeveryᅠaction.ᅠWeᅠrecruitᅠseasoned experts and emerging talents, offerᅠcontinuedᅠlegal educationᅠandᅠtraining,ᅠencourageᅠinnovation,ᅠand promoteᅠteamworkᅠacrossᅠdifferentᅠfieldsᅠand disciplines.
ServingᅠClientsᅠwithᅠUnparalleled Experience

Lee and Li has accumulated a wealth of experience since the 1940s. We are the leadingᅠfirmᅠinᅠTaiwanᅠandᅠexcelᅠat crafting customized legal solutions for clients.
Our History
The beginnings of Lee and Li can be traced to Shanghai in the 1940s, where James Lee and Dr. C. N. Li, the two founders, practiced transnational law. In 1953, James Lee opened a firm in Taipei and in 1965 was joined by Dr. C. N. Li, at which point the firm began operating under the English name “Lee and Li, Attorneys-at-Law.” Then in 1970, the firm was formally named “理律法律事務所” in Chinese. Lee and Li is now the oldest and largest law firm in Taiwan and is highly sought after by clients worldwide for its comprehensive and premium legal services.
Prioritizing Specialization
Ourᅠteamᅠincludesᅠattorneys,ᅠaccountants, patentᅠattorneys,ᅠandᅠotherᅠprofessional personnel. Our specializations cover banking andᅠfinance,ᅠcapitalᅠmarkets,ᅠcorporate mattersᅠandᅠinvestment,ᅠlitigationᅠand disputeᅠresolution,ᅠpatentsᅠandᅠtechnology, trademarks and copyrights. We also have a Japanᅠpracticeᅠdepartmentᅠdedicatedᅠto Japanese clients.

In response to rapid economic and technological developments across the globe, we tirelessly refine and expand our specialties and are always on the cutting edge of the latest industry trends and legal developments.
We have established various practice groups based on our specializations in banking and finance, capital markets, corporate matters and investment, trademarks and copyrights, patents and technology, and litigation and dispute resolution, as well as our Japan Practice Department. Practice groups put the formidable resources of a largeᅠfirm andᅠthe highlyᅠcustomizable services ofᅠaᅠboutique firm at our clients' disposal. We also have special task forces that corral experts from different departments and practice groups to tackle unusual challenges.
Our Employees:850+
70+
Partners and Senior Counselors
50+
Associate Partners and Counselors
250+
Attorneys Licensed in Taiwan and Overseas
140+
Patent Attorneys / Patent Agents Licensed in Taiwan and Overseas
10+
Accountants Certified in Taiwan and Overseas
We currently employ around 200 attorneys, as well as many patent attorneys, patent agents, and trademark attorneys and over 100 professionals with backgrounds in technology and other fields. Many members of our team hold advanced degrees in law and intellectual property rights from internationally renowned institutions. A number of our colleagues are also certified lawyers or patent agents in the United States and mainland China.
Transnational and Cross-Strait Services
Our close rapport with prominent international law firms and business consultancies, accounting firms, and financial institutionsᅠallowsᅠusᅠtoᅠswiftlyᅠmobilizeᅠresourcesᅠand expertiseᅠacrossᅠdisparateᅠfields,ᅠandᅠtoᅠdeviseᅠoptimal legal solutions for transnational matters.
WeᅠcollaborateᅠwithᅠL&L-Leaven,ᅠAttorneys-at-Lawᅠin Shanghai and Lee and Li-Leaven IPR Agency Ltd. in Beijing to assist clients in the Greater China region with cross-strait legalᅠmattersᅠandᅠintellectualᅠpropertyᅠrights.ᅠThis cross-strait platform saves our clientsᅠthe trouble of finding lawyers and agents in mainland China and prevents misunderstandingsᅠdueᅠtoᅠdifferencesᅠinᅠTaiwaneseᅠandᅠmainland Chinese legal systems and practices. We also collaborate with Lee and Li Japan in Tokyo to create a gateway for Japanese clients to access Taiwan and Taiwanese clients to reach Japan.

Cross-Border Patent Consultation
Leaven’s abundant transnational experience and expertise qualify it to assist multinational corporate clients with patent harvesting, patent application and registration maintenance, worldwide patent protection and commercialization of IP.

Fully Integrated Intellectual Property Support
Leaven brings together experts credentialed across multiple jurisdictions and a professional translation service to offer comprehensive patent and trademark protection, legislative and regulatory tracking, and dispute resolution services.

Taiwan–Japan IP and Investment Advisory Services
Lee and Li Japan G.K. leverages its close familiarity with the markets and cultures of Taiwan and Japan to advise clients on all facets of intellectual property protection involving the two jurisdictions, including patent and trademark investigation, application, enforcement, management, and investment matters.

Market Expansion in Taiwan and Japan
Lee and Li Japan G.K. is the ideal partner for Taiwanese and Japanese corporations looking to grow in Japan or Taiwan. It provides intellectual property and investment advisory services in both jurisdictions, IP management and utilization, and strategic support for M&A transactions. Through its strategic alliance, it also offers consulting services covering patent and trademark application, management, and protection in the Greater China region.