Patent No. EP2800791 (titled "Method And Device For Producing A Hand-Tearable Textile Adhesive Tape") was filed by Certoplast Technische Klebebnder on Jan 3, 2013. The application was issued on Aug 16, 2017.

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 |
|---|---|---|
| COROPLAST FRITZ MULLER | May 15, 2018 | DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB |
| TESA | May 14, 2018 | GRAMM |
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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