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The patent EP2543259 was granted to Kraft Foods R & D on Sep 27, 2017. The application was originally filed on Jul 6, 2011 under application number EP11172833A. The patent is currently recorded with a legal status of "Revoked".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006057265 |
| OPPOSITION | BR9301046 |
| OPPOSITION | DD142986 |
| OPPOSITION | DE102008019038 |
| OPPOSITION | DE19851063 |
| OPPOSITION | DE19853847 |
| OPPOSITION | DE2812269 |
| OPPOSITION | DE29808288U |
| OPPOSITION | EP0589820 |
| OPPOSITION | EP1604573 |
| OPPOSITION | EP2386208 |
| OPPOSITION | RU2185071 |
| OPPOSITION | US4501544 |
| OPPOSITION | WO9532633 |
| SEARCH | BRPI9301046 |
| SEARCH | DD142986 |
| SEARCH | DE102008019038 |
| SEARCH | DE19851063 |
| SEARCH | DE19853847 |
| SEARCH | DE2812269 |
| SEARCH | DE29808288U |
| SEARCH | EP0589820 |
| SEARCH | EP1604573 |
| SEARCH | EP2386208 |
| SEARCH | RU2185071 |
| SEARCH | US1647944 |
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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Claims
OPPO
Dec 3, 2019
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OPPO
Dec 3, 2019
Claims
OPPO
Dec 3, 2019
Claims
OPPO
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Claims
OPPO
Dec 6, 2018
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OPPO
Dec 6, 2018
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OPPO
Dec 6, 2018
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OPPO
Dec 6, 2018
Claims
OPPO
Dec 6, 2018
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Oct 5, 2017
Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 17, 2017
(Electronic) Receipt
Search/Exam
Aug 17, 2017
Filing of the translations of the claims
Search/Exam
Aug 17, 2017
French translation of claims
Search/Exam
Aug 17, 2017
German translation of the claims
Search/Exam
Aug 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2017
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Intention to grant (signatures)
Search/Exam
Jun 8, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 8, 2017
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Oct 23, 2015
Oct 12, 2015
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Sep 26, 2014
Submission concerning representation
Search/Exam
Jun 12, 2014
Jun 5, 2014
Dec 10, 2013
Description
Search/Exam
Dec 10, 2013
Nov 18, 2013
Annex to the communication
Search/Exam
Nov 18, 2013
Communication from the Examining Division
Search/Exam
Nov 12, 2013
Examination started
Search/Exam
Jul 10, 2013
Jul 10, 2013
Amendments received before examination
Search/Exam
Jul 9, 2013
Jul 9, 2013
Amendments received before examination
Search/Exam
Jul 9, 2013
Cover sheet for fax transmission
Search/Exam
Jan 14, 2013
Dec 12, 2012
Notification of forthcoming publication
Search/Exam
Mar 9, 2012
Mar 9, 2012
European search opinion
Search/Exam
Mar 9, 2012
European search report
Search/Exam
Mar 5, 2012
Modified abstract
Search/Exam
Jan 20, 2012
Dec 6, 2011
Jul 6, 2011
Abstract
Search/Exam
Jul 6, 2011
Jul 6, 2011
Claims
Search/Exam
Jul 6, 2011
Description
Search/Exam
Jul 6, 2011
Designation of inventor
Search/Exam
Jul 6, 2011
Designation of inventor
Search/Exam
Jul 6, 2011
Drawings
Search/Exam
Jul 6, 2011
Request for grant of a European patent
Search/Exam