Patent No. EP3542086 (titled "Suction Oil Filter For A Transmission Or Combustion Engine") was filed by Boge Elastmetall on Oct 31, 2017. The application was issued on Aug 26, 2020.

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 |
|---|---|---|
| IBS FILTRAN | May 25, 2021 | RICHLY & RITSCHEL PATENTANWALTE PARTG 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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