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The patent EP3333137 was granted to Corning Incorporated on Apr 5, 2023. The application was filed on Jan 22, 2015 under application number EP17193428A. 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 | Jan 4, 2024 | FUCHS PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | KR101238214B |
| EXAMINATION | WO2012166343 |
| EXAMINATION | WO2013004473 |
| OPPOSITION | EP2532628 |
| OPPOSITION | JPS5641859 |
| OPPOSITION | KR20120016906 |
| OPPOSITION | US2011300908 |
| OPPOSITION | US2012216570 |
| OPPOSITION | US2013083496 |
| OPPOSITION | US2013273357 |
| OPPOSITION | WO2011085190 |
| OPPOSITION | WO2012151459 |
| OPPOSITION | WO2012166343 |
| OPPOSITION | WO2013004473 |
| OPPOSITION | WO2013181213 |
| OPPOSITION | WO2014139147 |
| SEARCH | JPS5641859 |
| SEARCH | KR20120016906 |
| SEARCH | US2011165393 |
| SEARCH | US2011300908 |
| SEARCH | US2012216570 |
| SEARCH | US2012282449 |
| SEARCH | US2013083496 |
| SEARCH | US2013273357 |
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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Apr 18, 2023
Mar 10, 2023
Decision to grant a European patent
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Feb 22, 2023
(Electronic) Receipt
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Feb 22, 2023
Filing of the translations of the claims
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Feb 22, 2023
French translation of claims
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Feb 22, 2023
German translation of the claims
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Feb 22, 2023
Letter accompanying subsequently filed items
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Oct 14, 2022
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Intention to grant (signatures)
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Oct 14, 2022
Text intended for grant (clean copy)
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Oct 14, 2022
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(Electronic) Receipt
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Jul 11, 2022
Amended claims with annotations
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Jul 11, 2022
Amended description with annotations
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Jul 11, 2022
Claims
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Jul 11, 2022
Description
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Jul 11, 2022
Letter accompanying subsequently filed items
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Jul 11, 2022
May 3, 2022
Annex to the communication
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May 3, 2022
Communication from the Examining Division
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Jan 27, 2022
(Electronic) Receipt
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Jan 27, 2022
Amended claims with annotations
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Jan 27, 2022
Claims
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Jan 27, 2022
Letter accompanying subsequently filed items
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Jan 27, 2022
Jan 13, 2022
Annex to the communication
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Jan 13, 2022
Communication from the Examining Division
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Sep 16, 2021
Annex to the communication
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Sep 16, 2021
Consultation by telephone/in person
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Sep 16, 2021
Sep 10, 2021
(Electronic) Receipt
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Sep 10, 2021
Amended claims with annotations
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Sep 10, 2021
Claims
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Sep 10, 2021
Letter accompanying subsequently filed items
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Sep 10, 2021
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Jun 30, 2021
Annex to the communication
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Jun 30, 2021
Communication from the Examining Division
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Apr 20, 2021
(Electronic) Receipt
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Apr 20, 2021
Amended claims with annotations
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Apr 20, 2021
Claims
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Apr 20, 2021
Letter accompanying subsequently filed items
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Apr 20, 2021
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Annex to the communication
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Feb 12, 2021
Communication from the Examining Division
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Oct 30, 2020
(Electronic) Receipt
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Oct 30, 2020
Letter accompanying subsequently filed items
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Sep 11, 2020
Annex to the communication
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Sep 11, 2020
Communication from the Examining Division
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Jul 3, 2020
(Electronic) Receipt
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Jul 3, 2020
Amended description with annotations
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Jul 3, 2020
Description
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Jul 3, 2020
Letter accompanying subsequently filed items
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Annex to the communication
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Mar 31, 2020
Communication from the Examining Division
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Jan 7, 2020
(Electronic) Receipt
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Jan 7, 2020
Amended claims with annotations
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Jan 7, 2020
Claims
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Jan 7, 2020
Letter accompanying subsequently filed items
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Jan 7, 2020
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Annex to a communication
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Sep 4, 2019
Annex to the communication
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Sep 4, 2019
Communication from the Examining Division
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Jun 17, 2019
(Electronic) Receipt
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Jun 17, 2019
Amended claims with annotations
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Jun 17, 2019
Claims
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Jun 17, 2019
Letter accompanying subsequently filed items
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Jun 17, 2019
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Submission concerning representation
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Mar 6, 2019
Annex to the communication
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Mar 6, 2019
Communication from the Examining Division
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Feb 28, 2019
Examination started
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Nov 19, 2018
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(Electronic) Receipt
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Oct 31, 2018
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Amended claims with annotations
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Oct 31, 2018
Amendments received before examination
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Oct 31, 2018
Letter accompanying subsequently filed items
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Oct 2, 2018
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Refund of fees
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May 16, 2018
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European search opinion
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May 16, 2018
European search report
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May 16, 2018
Information on Search Strategy
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May 16, 2018
Notification of forthcoming publication
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May 2, 2018
Search started
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Mar 7, 2018
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Letter which had not been notified
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Jan 18, 2018
Letter which had not been notified
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Nov 28, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 15, 2017
Sep 27, 2017
Abstract
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Sep 27, 2017
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Claims
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Sep 27, 2017
Description
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Sep 27, 2017
Designation of inventor
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Sep 27, 2017
Drawings
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Sep 27, 2017
Request for grant of a European patent
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