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The patent EP3443155 was granted to Calik Denim Tekstil SAN VE TIC on Jul 7, 2021. The application was originally filed on Apr 10, 2017 under application number EP17716246A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| SANKO TEKSTIL ISLETMELERI SAN VE TIC | Apr 7, 2022 | GISLON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE29606123U |
| INTERNATIONAL-SEARCH-REPORT | JP2005187962 |
| INTERNATIONAL-SEARCH-REPORT | US2004035489 |
| INTERNATIONAL-SEARCH-REPORT | US2009191777 |
| INTERNATIONAL-SEARCH-REPORT | US2016083877 |
| OPPOSITION | CN101942731 |
| OPPOSITION | DE202013105613U |
| OPPOSITION | DK200300027U |
| OPPOSITION | EP1302577 |
| OPPOSITION | EP2832905 |
| OPPOSITION | JP2000045147 |
| OPPOSITION | JP2005042267 |
| OPPOSITION | US2005287893 |
| OPPOSITION | US2008230140 |
| OPPOSITION | US2010047538 |
| OPPOSITION | US2010075557 |
| OPPOSITION | US2013243985 |
| OPPOSITION | US2015133017 |
| OPPOSITION | US2597580 |
| OPPOSITION | US5843542 |
| OPPOSITION | WO2011104022 |
| OPPOSITION | WO2011141156 |
| OPPOSITION | WO2016013995 |
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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