​​萬國專利商標事務所  (Louis International Patent Office)---Taipei Office
9F., No.15-1, Sec. 1, Hangzhou S. Rd., Zhongzheng Dist., Taipei City 10050, Taiwan (R.O.C.)
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​​萬國專利商標事務所  (Louis International Patent Office)---Taichung Office
3F., No. 600, Sec. 2, Taiwan Blvd., Xitun Dist., Taichung City 407 , Taiwan (R.O.C.)
Tel : +886-04-3707-9688|| Fax : +886-04-2311-0393 | Email : taichung@louisipo.com




​​萬國專利商標事務所  (Louis International Patent Office)---Shanghai Office
Room 313, Jianfa Building, 150 Liulin Road, Huangpu District, Shanghai, China
Tel : +86-21-6056-5728| Email : info@louisipo.com




​​萬國專利商標事務所  (Louis International Patent Office)---Japan Office