Patent No. EP2188230 (titled "Method For The Production Of Humus- And Nutrient-Rich And Water-Storing Soils Or Soil Substrates For Sustainable Land Use And Development Systems") was filed by Areal Vertriebs UND Service on Aug 10, 2007. The application was issued on Nov 18, 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 |
|---|---|---|
| HOLSCHER | Aug 12, 2015 | PELLENGAHR |
| MULTIKRAFT PRODUKTIONS UND HANDELS | Aug 12, 2015 | GRUNECKER PATENT |
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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