Over One Third of New Oppositions Filed Against “Human Necessities” Patents

As of October 21, 2015, petitioners have filed 119 post-grant Opposition cases, which have been possible from April 1, 2015 under the 2014 amendment of Japan’s Patent Act. Of the Oppositions filed, 41 (34%) were filed against patents classified in the International Patent Classification (IPC) “Human Necessities” category. Following this category were “Chemistry; Metallurgy” with 26 and “Performing Operations; Transporting” with 21 petitions.

According to the amended Patent Act, any party may file a post-grant Opposition against a patent that has been published in the Patent Gazette on or after April 1, 2015, within 6 months from the publication date of the applicable Gazette.

If you need the services of a Japanese patent law firm to file a post-grant Opposition to a patent recently published in Japan, please feel free to contact Keisen Associates.

Sources (accessed November 9, 2015)

Figures: https://www.jpo.go.jp/tetuzuki/sinpan/sinpan2/igi_moushitate_ryuuiten.htm.

Rules: https://www.jpo.go.jp/english/ip-rights/appeals-trials/pdf/opposition/legal_matters.pdf

* The information provided on this website is for informational purposes only and is not intended as legal advice.

Contact us

We're not around right now. But you can send us an email and we'll get back to you, asap.

Questions? We're here. Send us a message!

Click ENTER to chat