Patent Litigation 2025

JAPAN Trends and Developments Contributed by: Naoko Nakatsukasa, Katsuya Hongyo, Tatsunori Enomoto and Ronald Kaloostian, Chuo Sogo LPC

embodiments and taking into account estab- lished technical knowledge – would understand that the issue of increased construction costs could be addressed for both inventions claimed in Claims 1 and 2. As a result, the IP High Court ruled that the inven- tion in question satisfies the support require- ments and overturned the invalidation decision by the JPO.

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