Patent No. EP2183194 (titled "Single-Phase Hydraulic Binder, Methods For The Production Thereof And Structural Material Produced Therewith") was filed by Karlsruher Institut FR Technologie on Jul 16, 2008. The application was issued on Oct 26, 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 |
|---|---|---|
| HEIDELBERGCEMENT | Jul 26, 2017 | ZELLENTIN & PARTNER MBB PATENTANWALTE |
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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