Patent No. EP2209942 (titled "A Method, A Blade Holder And A Doctor Apparatus For Detaching A Web Threading Tail From A Moving Surface In A Fiber Web Machine") was filed by Metso Paper on Nov 11, 2008. The application was issued on May 22, 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 |
|---|---|---|
| ANDRITZ KUSTERS | Feb 3, 2017 | HENSELER |
| RUNTECH SYSTEMS | Feb 2, 2017 | HIMMELSBACH |
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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