

| Name | Nagoya International Patent Firm (formerly, Adachi International Patent Firm) |
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| Established | In 1978 |
| Partners | Tsutomu ADACHI, President Takeya OKAMOTO, Vice-President Keisaku ISHIHARA, Vice-President |
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Firm History
| January 1978 | Tsutomu ADACHI, the founder, established a patent firm of Adachi Patent Firm in Kasugai-shi, Aichi, Japan |
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| May 1979 | The firm moved to Nagoya, one of the largest cities in Japan (Nagoya Seni building, 2-9-27 Nishiki, Naka-ku, Nagoya, Aichi, Japan) |
| December 1985 | The firm changed the name to Adachi International Patent Firm due to the increasing number of foreign cases Since around this time, in-house US patent attorneys have been working at the firm |
| 1999 | The firm website, still at www.patent.gr.jp, debuted |
| January 2007 | The firm was incorporated under its present name, Nagoya International Patent Firm Tsutomu ADACHI assumed the post of Partner/President, and Takeya OKAMOTO and Keisaku ISHIHARA assumed the post of Partner/Vice President |
| December 2007 | The firm moved to its present location, Meishin building, 2nd Floor, 20-19, Nishiki 1-chome, Naka-ku, Nagoya, Aichi, Japan |
| January 2009 | The firm opened Tokyo Office, at Meisan Fuji Building 3-7-4 Kasumigaseki, Chiyoda-ku, Tokyo, Japan |
| May 2010 | Tokyo Office moved to its present location, Nagata-cho Hoso Building 7th Floor, 2-21, Akasaka 2-chome, Minato-ku, Tokyo, Japan |
Our Performance in Japanese IP matters
- Patent/Utility Model Application to JPO: 1008 cases (2006)
- Trademark/Design Application to JPO: 211 cases (2006)
- Infringement Litigation in Japan: 19 cases (5 years up to 2007)

- Suit against Appeal/Trial Decision in Japan: 32 cases (5 years up to 2007)

The recent number of intellectual property civil suits filed in Japan in one year is about 500, and the number of suits against appeal/trial decision is about 450. There are 9,029 patent attorneys and 3,766 patent firms in Japan as of April, 2011. Accordingly, by simple arithmetic, the number of times one firm can handle an intellectual property civil suit is once in 7.5 years. The number of times one firm can handle a suit against appeal/trial decision is once in 8.4 years. From the above, we are one of the best experienced in the field of intellectual property litigation.
Our Foreign Associates
Our firm has worked with a large number of foreign patent/law firms in many different countries.
| Asia | Armenia, Azerbaijan, Bahrain, Bangladesh, Brunei, China, Georgia, Hong Kong, India, Indonesia, Iraq, Iran, Israel, Jordan, Kazakhstan, Korea, Kuwait, Kyrgyz Republic, Laos, Lebanon, Malaysia, Myanmar, Oman, Pakistan, Philippines, Russia, Saudi Arabia, Singapore, Sri Lanka, Syria, Taiwan, Tajikistan, Thailand, Turkmenistan, United Arab Emirates, Uzbekistan, Viet Nam, Yemen |
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| Americas | Argentine, Brazil, Canada, Chile, Colombia, Dominican Republic, Ecuador, El Salvador, Suriname, Mexico, Nicaragua, Panama, Paraguay, Peru, United States, Uruguay, Venezuela |
| Pacific | Australia, New Zealand |
| Africa | Algeria, Cameroon, Egypt, Ethiopia, Sudan, Tunisia, Nigeria, South Africa, Morocco, Libya |
| Europe | Albania, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Kosovo, Latvia, Lithuania, Luxembourg, Macedonia, Moldova, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovak Republic, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom |









