Patent No. EP2462279 (titled "Combination Of A Press Felt With A Pressure Roller Covering And/Or A Suction Roller Covering For A Paper Machine") was filed by Voith Patent on May 6, 2010. The application was issued on Aug 31, 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 |
|---|---|---|
| HEIMBACH | May 31, 2017 | PAUL & ALBRECHT PATENTANWALTE PARTG MBB |
| HUYCKWANGNER GERMANY | May 30, 2017 | ZECH |
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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