Patent No. EP2615137 (titled "Polyvinyl Chloride Compound, Tube, Gutter Or Container, Use Of A Pvc Compound And Use Of A Tube, Gutter Or Container") was filed by Georg Fischer Deka on Jan 13, 2012. The application was issued on Mar 28, 2018.

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.
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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