Patent No. EP2505931 (titled "Electric Heating Device With A Plate Element Comprising A Circuit Board And Method For Producing Such A Plate Element") was filed by Eberspcher Catem on Mar 30, 2011. The application was issued on Jan 12, 2022.

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 |
|---|---|---|
| VALEO SYSTEMES THERMIQUES | Apr 1, 2016 | EX MATERIA |
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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