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Around 2000, Japan has almost one thirds patent literatures, which may help your invalidation search. |
It is said that even EPO examiners usually search ONLY abstract of Japanese patents. |
Japanese patents have a possibility to help you. |
Former Patent Examiner who examined around 300 companies’ patents, |
Japanese Patent Searcher who executed more than 300 patent search services, |
and Patent Attorney who executed more than 300 patent application/prosecution for US, EP, DE, CN, JP etc. |
will help you to find Japanese patents for your invalidation. |