UPC Rejects Micron's Confidentiality Request Against YMTC
On August 17, 2026, the Dusseldorf Local Division of the Unified Patent Court (UPC) rejected Micron's request to restrict technical information of the Z01M chip to 'attorneys' eyes only' and denied barring YMTC employees from SDRAM R&D for 5 years.
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On August 17, 2026, the UPC Dusseldorf Local Division rejected Micron's request to restrict Z01M chip information to 'attorneys' eyes only' in its EP 3 909 047 patent dispute with YMTC. This ruling dispels the illusion that companies can use litigation confidentiality to completely block opposing R&D staff from accessing technical information. Under UPC Rule 262A.6, at least one internal natural person from each party must have access to confidential information for technical analysis. For tech companies expanding globally, this means key technical details may be exposed to competitors during European patent litigation. We recommend evaluating such risks beforehand through patent portfolio checkups, and recognizing that U.S. export controls cannot be used as a shield to bypass European court procedures.
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