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The patent EP3067387 was granted to Lanxess Deutschland on Jul 27, 2022. The application was filed on Feb 11, 2016 under application number EP16155280A. 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 |
|---|---|---|---|
| CHEMISCHE FABRIK BUDENHEIM | May 29, 2019 | WSL PATENTANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10196299T |
| DESCRIPTION | DE112006001824T |
| DESCRIPTION | DE1961668 |
| DESCRIPTION | DE2035390 |
| DESCRIPTION | DE2248242 |
| DESCRIPTION | DE3631539 |
| DESCRIPTION | DE3631540 |
| DESCRIPTION | DE3704655 |
| DESCRIPTION | DE3704657 |
| DESCRIPTION | EP0728811 |
| DESCRIPTION | EP2609173 |
| DESCRIPTION | GB1409275 |
| DESCRIPTION | US3644574 |
| DESCRIPTION | US4806593 |
| DESCRIPTION | US4812515 |
| DESCRIPTION | US4859740 |
| DESCRIPTION | US4861831 |
| DESCRIPTION | US4937285 |
| DESCRIPTION | WO2008023074 |
| DESCRIPTION | WO2012025362 |
| DESCRIPTION | WO2012139990 |
| DESCRIPTION | WO9739053 |
| DESCRIPTION | WO9740092 |
| OPPOSITION | DE102004035508 |
| OPPOSITION | EP1602685 |
| SEARCH | DE10196299T |
| SEARCH | DE112006001824T |
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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OPPO
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Description
OPPO
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Decision to grant a European patent
Search/Exam
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
English translation of the claims
Search/Exam
Jul 20, 2018
Filing of the translations of the claims
Search/Exam
Jul 20, 2018
French translation of claims
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 11, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 11, 2018
May 4, 2018
Examination started
Search/Exam
Feb 15, 2017
(Electronic) Receipt
Search/Exam
Feb 15, 2017
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Amended claims with annotations
Search/Exam
Feb 15, 2017
Amendments received before examination
Search/Exam
Feb 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2016
Aug 18, 2016
Notification of forthcoming publication
Search/Exam
Jul 13, 2016
Refund of fees
Search/Exam
Jun 23, 2016
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European search opinion
Search/Exam
Jun 23, 2016
European search report
Search/Exam
Jun 23, 2016
Information on Search Strategy
Search/Exam
Jun 18, 2016
Priority search results copy provided by EPO
Search/Exam
Jun 13, 2016
Search started
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Apr 15, 2016
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Abstract
Search/Exam
Feb 11, 2016
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Claims
Search/Exam
Feb 11, 2016
Description
Search/Exam
Feb 11, 2016
Designation of inventor
Search/Exam
Feb 11, 2016
Request for grant of a European patent
Search/Exam