Patent No. EP2822857 (titled "Packaging Line") was filed by GEA Food Solutions Germany on Mar 5, 2013. The application was issued on Sep 14, 2016.

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 |
|---|---|---|
| KRONES | Jun 14, 2017 | GRUNECKER PATENT |
| WIPOTEC WIEGE UND POSITIONIERSYSTEME | Jun 14, 2017 | EDER SCHIESCHKE & PARTNER MBB |
| WEBER MASCHINENBAU GMBH BREIDENBACH | Jun 7, 2017 | GRUNECKER PATENT |
| KHS | Jun 2, 2017 | ANDREJEWSKI HONKE |
| MULTIVAC SEPP HAGGENMULLER | Jun 1, 2017 | GRUNECKER PATENT |
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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