Patent No. EP2118403 (titled "Retaining Device For Assembling Two Panels, Recyclable Formwork For Forming A Concrete Structure And Packaging Assembly Using The Same") was filed by Abzac Canada on Feb 15, 2008. The application was issued on Jul 13, 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 |
|---|---|---|
| H BAU TECHNIK | Apr 13, 2017 | KURZ |
| MAX FRANK | Apr 13, 2017 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB |
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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