Patent No. EP2671760 (titled "Tissue Adhesive Band With High Wear Resistance That Can Be Removed By Ripping Crosswise") was filed by Coroplast Fritz Mller on Nov 9, 2009. The application was issued on Mar 7, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| CERTOPLAST TECHNISCHE KLEBEBANDER | Dec 7, 2018 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB |
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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