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The patent EP1965946 was granted to Albemarle Germany on Jul 15, 2020. The application was filed on Dec 20, 2006 under application number EP06830733A. 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 |
|---|---|---|---|
| HOFFMANN EITLE | May 2, 2018 | HOFFMANN EITLE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Sep 10, 2020
Sep 2, 2020
Sep 2, 2020
Sep 2, 2020
Jun 18, 2020
Jun 18, 2020
Jun 17, 2020
Refund of fees
OPPO
Jun 16, 2020
Refund of fees
OPPO
Jun 15, 2020
Jun 8, 2020
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Means of redress
OPPO
Dec 20, 2019
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Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
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Authorisation
OPPO
Aug 1, 2017
Jul 6, 2017
Decision to grant a European patent
Search/Exam
Jun 23, 2017
(Electronic) Receipt
Search/Exam
Jun 23, 2017
English translation of the claims
Search/Exam
Jun 23, 2017
French translation of claims
Search/Exam
Jun 23, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
May 15, 2017
May 15, 2017
Intention to grant (signatures)
Search/Exam
May 15, 2017
Text intended for grant (clean copy)
Search/Exam
May 15, 2017
Mar 23, 2017
Mar 20, 2017
Jul 12, 2012
Decision to allow further processing
Search/Exam
Jul 3, 2012
Jun 29, 2012
Amended claims with annotations
Search/Exam
Jun 29, 2012
Claims
Search/Exam
Jun 29, 2012
Apr 26, 2012
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Sep 7, 2011
Annex to the communication
Search/Exam
Sep 7, 2011
Communication from the Examining Division
Search/Exam
Aug 13, 2008
Aug 8, 2008
Jul 19, 2008
Request for entry into the European phase
Search/Exam
Jul 18, 2008
Matter concerning the application
Search/Exam
Jul 18, 2008
Request for entry into the European phase
Search/Exam
Jul 16, 2008
Note on telephone consultation
Search/Exam
Jul 10, 2008
Request for entry into the European phase
Search/Exam
Jul 9, 2008
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2008
Request for entry into the European phase
Search/Exam
Jul 2, 2008
May 9, 2008
Information on entry into European phase
Search/Exam
Nov 15, 2007
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Sep 12, 2007
Notification of election of EPO
Search/Exam
Aug 7, 2007
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Jul 24, 2007
PCT demand form
PCT2
Jul 24, 2007
Jul 23, 2007
Jul 23, 2007
PCT demand form
PCT2
Jul 5, 2007
Copy of the international search report
Search/Exam
Jul 5, 2007
Copy of the international search report
Search/Exam
Jul 5, 2007
Published international application - A1
Search/Exam
Dec 20, 2006
Abstract
PCTRO
Dec 20, 2006
Claims
PCTRO
Dec 20, 2006
Description
PCTRO
Dec 20, 2006
Drawings
PCTRO
Dec 20, 2006