Patent No. EP3426483 (titled "Easy Opening Film For Vacuum Skin Packaging") was filed by Cryovac on Mar 7, 2017. The application was issued on Jun 26, 2024.

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 |
|---|---|---|
| ISARPATENT BEHNISCH BARTH CHARLES HASSA PECKMANN UND PARTNER | Mar 26, 2025 | ISARPATENT |
| ISARPATENT PATENTANWALTE BEHNISCH BARTH CHARLES HASSA PECKMANN UND PARTNER MBB | Mar 26, 2025 | ISARPATENT |
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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