Patent No. EP3421270 (titled "Pressure Measuring Device") was filed by Sram on Jun 28, 2018. The application was issued on Jan 15, 2025.

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 |
|---|---|---|
| RALF BOHLE | Apr 13, 2022 | PATENTANWALTE RUFF |
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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