From filing to grant

Yes. If you do not have a residential or business address in Japan, you must appoint a professional...

The option to file patent applications in English has been available to applicants since 1 July 1995...

Yes. The priority period is 12 months from the earliest priority claimed, as stipulated in the Paris...

It is not (yet) possible to file provisional specifications in Japan. This means that you will need...

Yes. In Japan, if your application comprises multiple inventions you may divide it into two or more...

Japanese patents are subject to a prior art search and a substantive examination for novelty...

You should submit this request within three years of the date of filing or (for PCT applications)...

A 1999 amendment to the Japanese patent law, which became effective on 1 January 2000, introduced an...

Yes. According to the Regulations under the Japan Patent Act, Article 13bis, any person may submit...