- Omori and Yaguchi - Intellectual property law firm with offices in Tokyo, and in Philadelpia, Pennsylvania, offering services for patent, design and trademark matters.
www.omori-yaguchi.com
- OTA & Associates - Intellectual property law firm based in Tokyo.
www.otapatent.com/english
- Sanwa Law & Patent Offices - Registered patent attorney with a office in Tokyo
www5b.biglobe.ne.jp/~sanwapat/frame_E.htm
- Sonoda Kobayashi - An intellectual property law firm based in Tokyo, handling patents, trademarks, utility models and designs.
www.patents.jp
- Welty, Shimeall, Ito & Associates - Tokyo law firm offering patent services.
www.wsiajapan.com
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