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The patent EP3676652 was granted to Vitro Flat Glass on Jun 12, 2024. The application was filed on Aug 27, 2018 under application number EP18766455A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| AGC GLASS EUROPE | Jul 15, 2022 | - | ADMISSIBLE |
| SAINT GOBAIN | Jul 7, 2022 | GEBAUER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6265076 |
| DESCRIPTION | US6570709 |
| INTERNATIONAL-SEARCH-REPORT | US2006023315 |
| INTERNATIONAL-SEARCH-REPORT | US2009303604 |
| INTERNATIONAL-SEARCH-REPORT | US6327084 |
| INTERNATIONAL-SEARCH-REPORT | WO2013190959 |
| OPPOSITION | CN104267498 |
| OPPOSITION | CN106646874 |
| OPPOSITION | DE102014220189 |
| OPPOSITION | EP0836108 |
| OPPOSITION | EP0844507 |
| OPPOSITION | EP3187917 |
| OPPOSITION | US2009153962 |
| OPPOSITION | US2009303604 |
| OPPOSITION | US2017059753 |
| OPPOSITION | US5053755 |
| OPPOSITION | US5143796 |
| OPPOSITION | US6833194 |
| OPPOSITION | WO2005010569 |
| OPPOSITION | WO2005017600 |
| OPPOSITION | WO2007015861 |
| OPPOSITION | WO2012140098 |
| OPPOSITION | WO2013104438 |
| OPPOSITION | WO2013190959 |
| OPPOSITION | WO2017198363 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Examination started
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Communication to designated inventor
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Letter concerning the inventor
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Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
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Notification of the recording of a change
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Copy of the international search report
Search/Exam
Mar 7, 2019
Published international application - A1
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Nov 23, 2018
ISR: cited documents
PCTISA
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Annex
PCTISA
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Abstract
PCTISA
Sep 10, 2018
Annex
PCTISA
Sep 10, 2018
Claims
PCTISA
Sep 10, 2018
Description
PCTISA
Sep 10, 2018
Drawings
PCTISA
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