Patent No. EP3212514 (titled "Device, In Particular For Closing A Head Region Of A Foodstuffs Container Made Of A Laminate Having An Edge Region Which Is Skived And Partially Folded Over Itself") was filed by SIG Combibloc Services on Oct 9, 2015. The application was issued on Jan 15, 2020.

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 |
|---|---|---|
| TETRA LAVAL & FINANCE | Oct 15, 2020 | TETRA PAK PATENT ATTORNEYS |
| ELOPAK | Oct 13, 2020 | ACAPO ONSAGERS |
| ELOPAK | Oct 13, 2020 | ONSAGERS |
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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