Patent No. EP3686683 (titled "Developer Replenishing Container And Developer Replenishing System") was filed by Canon Kabushiki Kaisha on Sep 21, 2018. The application was issued on Mar 13, 2024.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_595/2024 | Oct 14, 2024 | Katun, Katun EDC | Counter Claim For Revocation |
| UPC_CFI_351/2024 | Jul 1, 2024 | Canon Kabushiki Kaisha | Infringement |

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| KATUN GERMANY KATUN EDC KATUN GENERAL PLASTIC INDUSTRIAL | Dec 13, 2024 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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