UPC CFI 1034/2025
Oct 6, 2025·EP3909047 · DOUBLE DATA RATE CIRCUIT AND DATA GENERATION METHOD IMPLEMENTING PRECISE DUTY CYCLE CONTROL
- 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
- Jan Bösing-Bardehle Pagenberg
- Tobias Kaufmann-Bardehle Pagenberg
- Christian Haupt-Bardehle Pagenberg
- Division
- Dusseldorf LD
- Technology
- Electrical engineeringComputer technology
- Language
- English
- First decided
- Apr 1, 2026
- Last decision
- Sep 2, 2026
| 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)
This dispute contains 1 other proceedings
Start a free trial to see how each one ended.
More cases: Dusseldorf LD·2025
- 2026-09-02InfringementPublic
Summary: Düsseldorf Local Division procedural order of the presiding judge as rapporteur (2 Sep 2026) in Yangtze Memory Technologies Co., Ltd. v Micron Technology, Inc. and three Micron affiliates (EP 3 909 047, with counterclaim docket UPC_CFI_931/2026): the claimant's R. 9.2 RoP request to disregard as late the defendants' new Rejoinder arguments (Z01M-die prior-use right, deactivated 'internal mode' of the Y2BM die, Exhibit BP 12) is deferred to the panel for decision during or after the oral hearing; under R. 36 RoP the claimant may respond in writing to the Z01M-die prior-use arguments by 17 Sep 2026.
Show the legal issues (3)
- R. 9.2 RoP request to disregard late-filed arguments deferred to the panel (ZTE v Samsung, Dai Nippon v Zapp, Oppo v Panasonic)
- R. 36 RoP further exchange of written pleadings granted as a precaution
- prior-use right defence raised for the first time in the Rejoinder
- 2026-08-17InfringementPublic
Summary: Order under Art. 58 UPCA and R. 262A RoP restricting access to information classified as confidential to the claimant's UPC representatives and named employees, imposing a strict confidentiality obligation with a possible penalty payment, and allowing the defendants to withdraw the information from the proceedings by 20 August 2026 to avoid US export-control exposure. The defendants' application was otherwise dismissed.
Show the legal issues (3)
- protection of confidential information (Art. 58 UPCA, R. 262A RoP)
- confidentiality club
- export control restrictions
- 2026-04-01Application RoP262APublic
Summary: The court issued a confidentiality protection order under R. 262A RoP at the defendants' application, protecting certain passages in the Statement of Defence, Counterclaim for Revocation and Exhibit BP 6 containing confidential financial information (estimated gross profit figures for 2026). Access to the confidential information was restricted to specific named individuals, including four employees of the claimant who were granted access without objection from the defendants.
Show the legal issues (4)
- R. 262A RoP confidentiality order
- protection of trade secrets
- access restriction to confidential financial information
- classification of estimated gross profit figures as confidential information
| 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 | 2026-09-30 | Not public |
| Cover sheet | 2026-09-30 | Not public |
| Document Defendant | 2026-09-30 | Not public |
| Document Defendant | 2026-09-30 | Not public |
| Communication | 2026-09-23 | Not public |
| Receipt | 2026-09-17 | Not public |
| Cover sheet | 2026-09-17 | Not public |
| Exhibit Claimant | 2026-09-17 | Not public |
| Exhibit Claimant | 2026-09-17 | Not public |
| Submission Claimant | 2026-09-17 | Not public |
| Submission Claimant | 2026-09-17 | Not public |
| Order | 2026-09-16 | Not public |
| Order | 2026-09-16 | Public |
| Publication of order | 2026-09-02 | Not public |
| Order | 2026-09-02 | Not public |
| Order | 2026-09-02 | Public |
| Receipt | 2026-09-01 | Not public |
| Cover sheet | 2026-09-01 | Not public |
| Document Defendant | 2026-09-01 | Not public |
| Communication | 2026-08-25 | Not public |
| Receipt | 2026-08-25 | Not public |
| Cover sheet | 2026-08-25 | Not public |
| Application document Claimant | 2026-08-25 | Not public |
| Publication of order | 2026-08-17 | Not public |
| Order | 2026-08-17 | Public |
| Order | 2026-08-17 | Not public |
| Order | 2026-08-17 | Not public |
| Receipt | 2026-08-13 | Not public |
| Cover sheet | 2026-08-13 | Not public |
| Submission Claimant | 2026-08-13 | Not public |
| Communication | 2026-08-07 | Not public |
| Receipt | 2026-08-07 | Not public |
| Cover sheet | 2026-08-07 | Not public |
| Document Defendant | 2026-08-07 | Not public |
| Receipt | 2026-07-30 | Not public |
| Cover sheet | 2026-07-30 | Not public |
| Document Claimant | 2026-07-30 | Not public |
| Order | 2026-07-28 | Public |
| Order | 2026-07-28 | Not public |
| Order | 2026-07-28 | Not public |
| Receipt | 2026-07-27 | Not public |
| Cover sheet | 2026-07-27 | Not public |
| Further pleadings | 2026-07-27 | Not public |
| Order | 2026-07-21 | Public |
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| Receipt | 2026-07-20 | Not public |
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| Exhibit Defendant | 2026-07-20 | Not public |
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| Document Defendant | 2026-07-20 | Not public |
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| Order | 2026-07-20 | Not public |
| Order | 2026-07-20 | Not public |
| Receipt | 2026-07-20 | Not public |
| Cover sheet | 2026-07-20 | Not public |
| Statement of rejoinder | 2026-07-20 | Not public |
| Statement of rejoinder | 2026-07-20 | Not public |
| Statement of rejoinder | 2026-07-20 | Not public |
| Exhibit Defendant | 2026-07-20 | Not public |
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| Note | 2026-05-19 | Not public |
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| Communication | 2026-05-18 | Not public |
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| Exhibit Claimant | 2026-05-18 | Not public |
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| Exhibit Claimant | 2026-05-18 | Not public |
| Statement of reply | 2026-05-18 | Not public |
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| Order | 2026-05-11 | Not public |
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| Communication | 2026-05-06 | Not public |
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| Submission Claimant | 2026-05-06 | Not public |
| Communication | 2026-05-04 | Not public |
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| Submission Defendant | 2026-05-04 | Not public |
| Order | 2026-04-27 | Not public |
| Order | 2026-04-27 | Public |
| Receipt | 2026-04-27 | Not public |
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| Exhibit Claimant | 2026-04-27 | Not public |
| Exhibit Claimant | 2026-04-27 | Not public |
| Application document Claimant | 2026-04-27 | Not public |
| Order | 2026-04-13 | Not public |
| Order | 2026-04-13 | Public |
| Receipt | 2026-04-07 | Not public |
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| Document | 2026-04-07 | Not public |
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| Cover sheet | 2026-04-07 | Not public |
| Submission Claimant | 2026-04-07 | Not public |
| Order | 2026-04-01 | Public |
| Order | 2026-04-01 | Not public |
| Order | 2026-04-01 | Not public |
| Receipt | 2026-03-31 | Not public |
| Cover sheet | 2026-03-31 | Not public |
| Document Defendant | 2026-03-31 | Not public |
| Summons to oral hearing | 2026-03-31 | Not public |
| Order | 2026-03-31 | Public |
| Order | 2026-03-25 | Not public |
| Order | 2026-03-25 | Public |
| Receipt | 2026-03-24 | Not public |
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| Document Defendant | 2026-03-24 | Not public |
| Receipt | 2026-03-24 | Not public |
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| Order | 2026-03-18 | Not public |
| Order | 2026-03-18 | Public |
| Communication | 2026-03-17 | Not public |
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| Exhibit Defendant | 2026-03-16 | Not public |
| Exhibit Defendant | 2026-03-16 | Not public |
| Exhibit Defendant | 2026-03-16 | Not public |
| Counterclaim for revocation | 2026-03-16 | Not public |
| Statement of defence | 2026-03-16 | Not public |
| Statement of defence | 2026-03-16 | Not public |
| Publication | 2025-11-07 | Not public |
| Order | 2025-11-07 | Public |
| Order | 2025-11-07 | Not public |
| Order | 2025-11-07 | Not public |
| Cover sheet | 2025-11-05 | Not public |
| Further pleadings | 2025-11-05 | Not public |
| Exhibit document Claimant | 2025-11-05 | Not public |
| Exhibit document Claimant | 2025-11-05 | Not public |
| Receipt | 2025-11-05 | Not public |
| Communication | 2025-10-30 | Not public |
| Cover sheet | 2025-10-30 | Not public |
| Application document Defendant | 2025-10-30 | Not public |
| Receipt | 2025-10-30 | Not public |
| Service Receipt/Service Document | 2025-10-20 | Not public |
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| Proof of payment | 2025-10-06 | Not public |
| Statement of claim | 2025-10-06 | Not public |
| Receipt | 2025-10-06 | Not public |