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The patent EP3274308 was granted to Corning Incorporated on Aug 16, 2023. The application was filed on Mar 23, 2016 under application number EP16714689A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| SCHOTT SCHOTT TECHNICAL GLASS SOLUTIONS | May 15, 2024 | BLUMBACH ZINNGREBE PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009202808 |
| INTERNATIONAL-SEARCH-REPORT | US2011092353 |
| INTERNATIONAL-SEARCH-REPORT | US2014134397 |
| OPPOSITION | DE10333399 |
| OPPOSITION | WO2008145317 |
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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Description
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Decision to grant a European patent
Search/Exam
Jul 6, 2023
(Electronic) Receipt
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Jul 6, 2023
Filing of the translations of the claims
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Jul 6, 2023
French translation of claims
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Jul 6, 2023
German translation of the claims
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Jul 6, 2023
Letter accompanying subsequently filed items
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Feb 28, 2023
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Intention to grant (signatures)
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Feb 28, 2023
Text intended for grant (clean copy)
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Feb 28, 2023
Jul 7, 2022
(Electronic) Receipt
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Jul 7, 2022
Amended claims with annotations
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Jul 7, 2022
Amended description with annotations
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Jul 7, 2022
Claims
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Jul 7, 2022
Description
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Jul 7, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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May 4, 2022
Letter accompanying subsequently filed items
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Annex to the communication
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Jan 5, 2022
Communication from the Examining Division
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Jul 21, 2021
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Observations by third parties
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Mar 20, 2019
Submission concerning representation
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Jan 21, 2019
(Electronic) Receipt
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Jan 21, 2019
Amended claims with annotations
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Jan 21, 2019
Claims
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Jan 21, 2019
Letter accompanying subsequently filed items
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Jan 21, 2019
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(Electronic) Receipt
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Nov 12, 2018
Letter accompanying subsequently filed items
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Nov 12, 2018
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Annex to the communication
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Jul 12, 2018
Communication from the Examining Division
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Jul 4, 2018
Examination started
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Jan 4, 2018
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Communication to designated inventor
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Oct 27, 2017
Communication to designated inventor
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Communication to designated inventor
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Oct 26, 2017
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(Electronic) Receipt
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Sep 26, 2017
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Letter concerning the inventor
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Sep 26, 2017
Request for entry into the European phase
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Aug 2, 2017
Information on entry into European phase
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Oct 17, 2016
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Sep 29, 2016
Copy of the international search report
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Sep 29, 2016
Published international application - A1
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May 30, 2016
ISR: cited documents
PCTISA
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Abstract
PCTISA
Mar 29, 2016
Annex
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Mar 29, 2016
Claims
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Mar 29, 2016
Description
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Mar 29, 2016
Drawings
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