Patent No. EP2610500 (titled "Pump Power Unit") was filed by Grundfos Holding on Dec 27, 2011. The application was issued on Sep 16, 2015.

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 |
|---|---|---|
| WILO | Jun 16, 2016 | COHAUSZ HANNIG BORKOWSKI WISSGOTT |
| PROMINENT | Jun 14, 2016 | WSL PATENTANWALTE PARTNERSCHAFT MBB |
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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