Patent No. EP2781230 (titled "Substance Dispensing Device With A Signaling Device") was filed by Tecpharma Licensing on Mar 22, 2013. The application was issued on May 14, 2025.

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 |
|---|---|---|
| HORN KLEIMANN WAITZHOFER PATENTANWALTE PARTG MBB | May 25, 2020 | HKW |
| HORN KLEIMANN WAITZHOFER PATENTANWALTE PARTG MBB | May 25, 2020 | HORN KLEIMANN WAITZHOFER SCHMID DREYER PATENT UND RECHTSANWALTE PARTG MBB |
| RUPP | May 22, 2020 | RUPP |
| SHL MEDICAL | May 12, 2020 | - |
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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