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The patent EP2897871 was granted to Nestec on Feb 20, 2019. The application was filed on Sep 20, 2013 under application number EP13802711A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SCHRAMM | Nov 20, 2019 | S SCHRAMM SCHNEIDER BERTAGNOLL PATENT UND RECHTSANWALTE PART MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0221415 |
| INTERNATIONAL-SEARCH-REPORT | EP0229995 |
| INTERNATIONAL-SEARCH-REPORT | US5941417 |
| OPPOSITION | EP0221415 |
| OPPOSITION | JPH0910286 |
| OPPOSITION | US2005031751 |
| OPPOSITION | US2006137761 |
| OPPOSITION | US3960295 |
| OPPOSITION | US4684531 |
| OPPOSITION | WO2011143782 |
| OPPOSITION | WO2014045238 |
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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Appeal
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Notice of appeal
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Decision to grant a European patent
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Jan 7, 2019
(Electronic) Receipt
Search/Exam
Jan 7, 2019
Filing of the translations of the claims
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Jan 7, 2019
French translation of claims
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German translation of the claims
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Jan 7, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Nov 27, 2018
Text intended for grant (clean copy)
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Sep 26, 2018
Acknowledgement of a document
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Sep 26, 2018
Summons to attend oral proceedings
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Sep 5, 2018
(Electronic) Receipt
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Sep 5, 2018
Amended claims with annotations
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Advice of delivery
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Acknowledgement of a document
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Dec 19, 2017
Annex to the communication
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Dec 19, 2017
Preparation for oral proceedings
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Dec 19, 2017
Summons to attend oral proceedings
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Sep 4, 2017
Amended claims with annotations
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Annex to the communication
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May 4, 2017
Communication from the Examining Division
Search/Exam
Jan 12, 2017
(Electronic) Receipt
Search/Exam
Jan 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2017
Sep 22, 2016
Annex to the communication
Search/Exam
Sep 22, 2016
Communication from the Examining Division
Search/Exam
Jun 10, 2016
Amended claims with annotations
Search/Exam
Jun 10, 2016
Claims
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Jun 10, 2016
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Annex to the communication
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Apr 14, 2016
Communication from the Examining Division
Search/Exam
Nov 12, 2015
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Amended claims with annotations
Search/Exam
Nov 12, 2015
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Jul 1, 2015
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Communication to designated inventor
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Apr 10, 2015
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(Electronic) Receipt
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Feb 23, 2015
Request for entry into the European phase
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Jan 30, 2015
Information on entry into European phase
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Apr 14, 2014
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Mar 27, 2014
Copy of the international search report
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Mar 27, 2014
Published international application - A1
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Feb 25, 2014
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Nov 29, 2013
Abstract
PCTISA
Nov 29, 2013
Claims
PCTISA
Nov 29, 2013
Description
PCTISA
Nov 29, 2013
Drawings
PCTISA