Patent No. EP3299529 (titled "A Cutter And Method For Making Dents And Fixing Insulation") was filed by F Leskovec on Sep 19, 2017. The application was issued on Nov 4, 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 |
|---|---|---|
| EJOT BAUBEFESTIGUNGEN GMBH | Aug 3, 2021 | BAHRDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWÄLTE, RECHTSANWÄLTE |
| EJOT SE & CO. KG | Aug 3, 2021 | BAHRDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWÄLTE, RECHTSANWÄLTE |
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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