Deep & Far Attorneys-at-Law

Address: 13 Fl., 27 Sec. 3, Chung San N. Rd,104, Taipei, Taiwan.
Phone: 886-2-25856688

Award winning law firm rankings Patent Lawyer Rankings 2023

Deep & Far attorneys-at-law was founded in 1992 and is dealing with all phases of laws with a focus on the practice in intellectual property rights (IPRs).
The patent attorneys and patent engineers in Deep & Far normally hold outstanding and advanced degrees and are generally graduated from the top five universities in this country. Our prominent staffs are dedicated to provide the best quality service in IPRs in this country. As a proof, about one half of top 100 incorporations in this country have experiences of seeking patented their techniques, but more than one fifth of the top 100 incorporations has ever used services of this firm. Certainly, we must also represent international giants, e.g. InterDigital, MPS, Schott Glas, Toyo Ink, Motorola, Cypress.

It is our philosophy to provide competent legal services that other firm cannot comparably provide. By the perseverance that we only do what and only perform works which enable this firm to be deep and far, Deep and Far can then equate the reality with its name. More information regarding this firm could be found from the website above-identified


C. F. Tsai

Trademark & Patent Attorney/ Partner
Email Address:

Yu-Li Tsai

Patent Department Head
Email Address:


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