As of August 1, 2016, petitioners have filed over 1,000 post-grant opposition cases since April 1, 2015 under the 2014 amendment of Japan’s Patent Act.
Whereas in the first half-year since April 2015 a third of the oppositions were against patents classified as “Human Necessities,” further on now the “Chemistry; Metallurgy” category has well surpassed it with close to 30% of the total (295 cases as of August 1, 2016), followed by “Human Necessities” and then “Performing Operations: Transporting.”
The JPO notes many formal deficiencies in the oppositions filed thus far and describes a number of these in the 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 August 30, 2016)
Status of Oppositions to Patent and Points to Note concerning Procedures (August 2016 ver.)
.
* The information provided on this website is for informational purposes only and is not intended as legal advice.
