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The patent EP3171982 was granted to Andreas Hettich on Feb 2, 2022. The application was filed on Jul 24, 2015 under application number EP15749746A. 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 |
|---|---|---|---|
| THERMO ELECTRON LED | Dec 19, 2019 | STELLBRINK & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | JPH07144155 |
| INTERNATIONAL-SEARCH-REPORT | DE102010050894 |
| INTERNATIONAL-SEARCH-REPORT | DE102012002593 |
| INTERNATIONAL-SEARCH-REPORT | DE202013004850U |
| INTERNATIONAL-SEARCH-REPORT | DE3031423 |
| INTERNATIONAL-SEARCH-REPORT | JP2005230744 |
| INTERNATIONAL-SEARCH-REPORT | JP2010274230 |
| INTERNATIONAL-SEARCH-REPORT | US5477704 |
| OPPOSITION | CN201016623Y |
| OPPOSITION | DE102012002593 |
| OPPOSITION | DE202013004850U |
| OPPOSITION | JP2005230744 |
| OPPOSITION | JP2010274230 |
| OPPOSITION | JPH07144155 |
| OPPOSITION | US2014128240 |
| OPPOSITION | WO2016012596 |
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
Jan 23, 2019
(Electronic) Receipt
Search/Exam
Jan 23, 2019
English translation of the claims
Search/Exam
Jan 23, 2019
Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Feb 6, 2018
Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Priority search results
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(Electronic) Receipt
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Request for entry into the European phase
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Dec 2, 2016
Information on entry into European phase
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Copy of the international search report
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Copy of the international search report
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Published international application - A1
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