Patent No. EP3266306 (titled "Impregnated Textile Fabric Providing Effective Delivery Of An Alcoholic Impregnant") was filed by Schlke & Mayr on Jun 15, 2017. The application was issued on Aug 3, 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 |
|---|---|---|
| BODE CHEMIE | May 3, 2023 | TER MEER STEINMEISTER & PARTNER |
| DR SCHUMACHER | May 3, 2023 | SANDVOSS |
| B BRAUN MELSUNGEN | May 2, 2023 | PATENTANWALTE RUFF |
| KASTEL PATENTANWALTE PARTG MBB | May 2, 2023 | - |
| LABORATORIUM DR DEPPE | May 2, 2023 | DR STARK & PARTNER PATENTANWALTE 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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