Patent No. EP3699472 (titled "Tube Fitting, Tube Equipped With Tube Fitting, And Method For Manufacturing Tube Fitting") was filed by Sanoh Industrial on Feb 19, 2020. The application was issued on Jul 21, 2021.

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 |
|---|---|---|
| TI AUTOMOTIVE HEIDELBERG | Apr 21, 2022 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT 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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