UPC CoA 764/2024
Dec 6, 2024·EP3926698 +1 more · LIGHT EMITTING DIODE
- Case details
- StatusCase Closed (Patent revoked)ActionAppealCategoryMain appeal
- Parties
- Claimants
- expert klein GmbHOperating co.
- expert e-Commerce GmbHOperating co.
Representatives- Dirk Jestaedt-Krieger Mes & Graf von der Groeben
- Bernhard Ganahlsupporting-HGF Europe LLP
Respondents- Seoul Viosys Co., Ltd.Operating co.
Representatives- Bolko Ehlgen-Linklaters LLP
- Dipl.-Phys. Olaf Isfortsupporting-Schneiders & Behrendt
- Division
- Court of Appeal
- Technology
- Electrical engineeringSemiconductors
- Language
- German
- First decided
- Aug 21, 2025
- Last decision
- Oct 2, 2025
| Median days to first decision | |
|---|---|
| All UPC | 124 |
| Judge Rian Kalden | Locked |
| Judge Patricia Rombach | Locked |
| Judge Ingeborg Simonsson | Locked |
| Judge Torsten Duhme | Locked |
| Judge Max Tilmann | Locked |
At the UPC: expert klein GmbH (17 cases)·Seoul Semiconductor Group (29 cases)
This dispute contains 16 other proceedings
UPC CoA 380/2025·UPC CFI 823/2024·UPC CFI 824/2024·UPC CFI 677/2024·UPC CoA 762/2024 and 11 more
1 other defendants litigating the same or a related patent
Start a free trial to see how each one ended.
More cases: Court of Appeal·2024
- 2025-10-02Appeal RoP220.1Public
Summary: Second German-language version of the same Court of Appeal decision (UPC_CoA_764/2024 and 774/2024 – identical substantive outcome). Claims 1, 4, 5, 6 and 9 revoked for added matter; all infringement claims dismissed; Viosys ordered to bear all costs.
Show the legal issues (2)
- Added matter (Art. 123(2) EPC)
- Translation of international application
- 2025-08-21
Summary: The Court of Appeal disregarded applications filed by Seoul Viosys after the oral hearing had closed, ruling that parties must refrain from further communications with the court after an oral hearing and there is no need to summarise oral argument in writing.
Show the legal issues (2)
- Post-hearing submissions
- Permissibility of further written submissions after oral hearing (R. 9, R. 36 RoP)
| Document title | Date | Public |
|---|---|---|
| Communication | 2025-10-20 | Not public |
| Cover sheet | 2025-10-10 | Not public |
| Other document Appellant | 2025-10-10 | Not public |
| Receipt | 2025-10-10 | Not public |
| Order | 2025-10-10 | Not public |
| Order | 2025-10-10 | Public |
| Cover sheet | 2025-10-09 | Not public |
| Application | 2025-10-09 | Not public |
| Receipt | 2025-10-09 | Not public |
| Case closed | 2025-10-02 | Not public |