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The patent EP3169635 was granted to Corning Incorporated on Nov 23, 2022. The application was filed on Jul 14, 2015 under application number EP15745643A. 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 | Aug 18, 2023 | 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 | EP0938946 |
| INTERNATIONAL-SEARCH-REPORT | US2007202619 |
| INTERNATIONAL-SEARCH-REPORT | US2013068736 |
| INTERNATIONAL-SEARCH-REPORT | US2013126573 |
| OPPOSITION | DE102012110971 |
| OPPOSITION | EP1338371 |
| OPPOSITION | EP2754524 |
| OPPOSITION | KR101407993B |
| OPPOSITION | KR101409338B |
| OPPOSITION | US2004232124 |
| OPPOSITION | US2011049765 |
| OPPOSITION | US2013323469 |
| OPPOSITION | US2014036338 |
| OPPOSITION | WO2012006736 |
| OPPOSITION | WO2014079570 |
| OPPOSITION | WO2014121261 |
| OPPOSITION | WO2015010706 |
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.
Date
Description
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Oct 11, 2022
(Electronic) Receipt
Search/Exam
Oct 11, 2022
Filing of the translations of the claims
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Oct 11, 2022
French translation of claims
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Oct 11, 2022
German translation of the claims
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Oct 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2022
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Intention to grant (signatures)
Search/Exam
Jun 15, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 15, 2022
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(Electronic) Receipt
Search/Exam
Dec 23, 2021
Amended claims with annotations
Search/Exam
Dec 23, 2021
Amended description with annotations
Search/Exam
Dec 23, 2021
Claims
Search/Exam
Dec 23, 2021
Description
Search/Exam
Dec 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2021
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Nov 8, 2021
(Electronic) Receipt
Search/Exam
Nov 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2021
Jun 28, 2021
Annex to the communication
Search/Exam
Jun 28, 2021
Communication from the Examining Division
Search/Exam
Mar 20, 2019
Submission concerning representation
Search/Exam
Nov 19, 2018
Oct 2, 2018
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(Electronic) Receipt
Search/Exam
Mar 19, 2018
Amended claims with annotations
Search/Exam
Mar 19, 2018
Amended description with annotations
Search/Exam
Mar 19, 2018
Claims
Search/Exam
Mar 19, 2018
Description
Search/Exam
Mar 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2018
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Annex to the communication
Search/Exam
Nov 9, 2017
Communication from the Examining Division
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Nov 3, 2017
Examination started
Search/Exam
Apr 26, 2017
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Refund of fees
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Feb 17, 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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Feb 17, 2017
Communication to designated inventor
Search/Exam
Jan 30, 2017
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(Electronic) Receipt
Search/Exam
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Request for entry into the European phase
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Nov 25, 2016
Information on entry into European phase
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Feb 9, 2016
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Copy of the international search report
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Jan 21, 2016
Published international application - A1
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Oct 21, 2015
ISR: cited documents
PCTISA
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Abstract
PCTISA
Jul 29, 2015
Annex
PCTISA
Jul 29, 2015
Claims
PCTISA
Jul 29, 2015
Description
PCTISA
Jul 29, 2015
Drawings
PCTISA
Jul 29, 2015