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UPC CFI 1041/2025
Oct 6, 2025·EP3850660 · THREE-DIMENSIONAL MEMORY DEVICES HAVING THROUGH STAIR CONTACTS AND METHODS FOR FORMING THE SAME
- Case details
- StatusWritten PhaseActionInfringementCategoryMain infringement action
- Parties
- Claimants
- Yangtze Memory Technologies Co., Ltd.Operating co.
Representatives- Oliver Jan Jüngst-Bird & Bird LLP
- Lucas Brons-Bird & Bird LLP
- Felix Landrysupporting-Bird & Bird LLP
- Leonard Lotzsupporting-Bird & Bird LLP
Respondents- Micron Technology, Inc.Operating co.
- Micron Europe Ltd.Operating co.
- Micron Semiconductor (Deutschland) GmbHOperating co.
- Micron Semiconductor France SASOperating co.
Representatives- Tilman Mueller-Stoy-Bardehle Pagenberg
- Anna Giedke-Bardehle Pagenberg
- Division
- Dusseldorf LD
- Technology
- Electrical engineeringSemiconductors
- Language
- English
- First decided
- Nov 7, 2025
How this compares
The court's record for this kind of case, counted in first-instance rulings. A figure in brackets is the number of rulings a rate rests on.
| Infringement found | Median days to first decision | |
|---|---|---|
| All UPC | 53% (62/117) | 124 |
| Dusseldorf LD | Locked | Locked |
| Judge Ronny Thomas | Locked | Locked |
| Judge Schumacher Jule | Locked | Locked |
| Judge Pierluigi Perrotti | Locked | Locked |
| Judge Patrik Rydman | — | Locked |
At the UPC: Yangtze Memory Technologies Co., Ltd. (4 cases)·Micron Technology, Inc. (6 cases)
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Related cases
All proceedings on this patentDecisions
- 2025-11-07
Summary: The Düsseldorf Local Division ruled on Micron's application to extend procedural deadlines (preliminary objections and statement of defence) in a large-scale YMTC v. Micron patent infringement campaign, partially granting extended deadlines.
Show the legal issues (3)
- R. 9.3 RoP extension of time periods
- Large-scale multi-jurisdiction patent infringement campaign
- Prior use rights investigation
Documents
Show all 178 documents| Document title | Date | Public |
|---|---|---|
| Receipt | 2026-10-14 | Not public |
| Cover sheet | 2026-10-14 | Not public |
| Submission Claimant | 2026-10-14 | Not public |
| Submission Claimant | 2026-10-14 | Not public |
| Receipt | 2026-10-02 | Not public |
| Cover sheet | 2026-10-02 | Not public |
| Document Defendant | 2026-10-02 | Not public |
| Communication | 2026-10-01 | Not public |
| Receipt | 2026-09-30 | Not public |
| Cover sheet | 2026-09-30 | Not public |