Patent No. EP2117839 (titled "Shrink Film Containing Semi-Crystalline Polyamide, Articles Made Therefrom, And Process For Making And Using Same") was filed by Cryovac on Jan 29, 2008. The application was issued on Oct 14, 2015.

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 PATENTANWALTE BEHNISCH BARTH CHARLES HASSA PECKMANN UND PARTNER MBB | Jul 14, 2016 | 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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