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The patent EP3032547 was granted to Giga Solar Materials on Jul 8, 2020. The application was filed on Nov 12, 2015 under application number EP15194273A. 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 |
|---|---|---|---|
| HERAEUS DEUTSCHLAND | Mar 27, 2018 | HERAEUS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2317523 |
| OPPOSITION | EP2626908 |
| OPPOSITION | EP2703368 |
| OPPOSITION | US2006102228 |
| OPPOSITION | US2013161572 |
| OPPOSITION | WO2014050703 |
| OPPOSITION | WO2014126293 |
| SEARCH | EP2317523 |
| SEARCH | US2013167923 |
| SEARCH | US2013284250 |
| SEARCH | WO2014157800 |
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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Means of redress
OPPO
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Claims
OPPO
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Claims
OPPO
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Jun 1, 2017
Decision to grant a European patent
Search/Exam
May 17, 2017
(Electronic) Receipt
Search/Exam
May 17, 2017
Filing of the translations of the claims
Search/Exam
May 17, 2017
French translation of claims
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May 17, 2017
German translation of the claims
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May 17, 2017
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jan 17, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 17, 2017
Jan 2, 2017
Annex to the communication
Search/Exam
Jan 2, 2017
Consultation by telephone/in person
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Jan 2, 2017
Dec 20, 2016
Examination started
Search/Exam
Nov 29, 2016
(Electronic) Receipt
Search/Exam
Nov 29, 2016
Nov 29, 2016
Amended claims with annotations
Search/Exam
Nov 29, 2016
Amendments received before examination
Search/Exam
Nov 29, 2016
Letter accompanying subsequently filed items
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Jun 20, 2016
May 19, 2016
Notification of forthcoming publication
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Apr 8, 2016
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European search opinion
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Apr 8, 2016
European search report
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Apr 8, 2016
Information on Search Strategy
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Mar 29, 2016
Search started
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Feb 11, 2016
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Feb 4, 2016
Letter which had not been notified
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Feb 4, 2016
Letter which had not been notified
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Jan 7, 2016
Communication to designated inventor
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Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Nov 27, 2015
(Electronic) Receipt
Search/Exam
Nov 27, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2015
Matter concerning the application
Search/Exam
Nov 27, 2015
Priority search results
Search/Exam
Nov 12, 2015
Abstract
Search/Exam
Nov 12, 2015
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Claims
Search/Exam
Nov 12, 2015
Description
Search/Exam
Nov 12, 2015
Designation of inventor
Search/Exam
Nov 12, 2015
Letter concerning the priority
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Nov 12, 2015
Priority document
Search/Exam
Nov 12, 2015
Request for grant of a European patent
Search/Exam