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Patent No. EP3843974 (titled "Method For Individual Measurement Of The Temperature Of A Preform") was filed by Sidel Participations on Aug 5, 2019. The application was issued on Sep 28, 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 |
|---|---|---|
| KHS | Jun 28, 2023 | GREICHE |
| KRONES | Jun 28, 2023 | HANNKE BITTNER & PARTNER MBB REGENSBURG |
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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