Patent No. EP2722319 (titled "Insulating Rendering Composition For Forming Acoustic And/Or Thermal Insulation, Method For Forming Acoustic And/Or Thermal Insulation, Acoustic And/Or Thermal Insulation And Heat Insulation System") was filed by STO on Aug 20, 2013. The application was issued on Jul 3, 2019.

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 |
|---|---|---|
| FIXIT | Apr 21, 2020 | SCHMAUDER & PARTNER PATENT & MARKENANWALTE VSP |
| ROCKWOOL | Apr 2, 2020 | BRINKMANN & PARTNER |
| SAINT GOBAIN | Mar 26, 2020 | SAINT GOBAIN RECHERCHE |
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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