Japan IP Court backs JPO rejection of Chemours refrigerant patent application
By Toko Sekiguchi ( May 20, 2026, 09:22 GMT | Insight) -- Japan’s IP High Court upheld the patent office’s decision to reject a refrigerant patent application by US chemical company Chemours, finding that the divisional filing claimed a broader chemical composition than was disclosed in the original filing.Japan’s Intellectual Property High Court upheld the patent office’s decision to reject a refrigerant patent application by US chemical company Chemours, finding that the divisional filing claimed a broader chemical composition than was disclosed in the original filing....
Prepare for tomorrow’s regulatory change, today
MLex identifies risk to business wherever it emerges, with specialist reporters across the globe providing exclusive news and deep-dive analysis on the proposals, probes, enforcement actions and rulings that matter to your organization and clients, now and in the longer term.
Know what others in the room don’t, with features including:
- Daily newsletters for Antitrust, M&A, Trade, Data Privacy & Security, Technology, AI and more
- Custom alerts on specific filters including geographies, industries, topics and companies to suit your practice needs
- Predictive analysis from expert journalists across North America, the UK and Europe, Latin America and Asia-Pacific
- Curated case files bringing together news, analysis and source documents in a single timeline
Experience MLex today with a 14-day free trial.