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The patent EP3177150 was granted to Nestec on Dec 23, 2020. The application was filed on Aug 6, 2015 under application number EP15750345A. 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 |
|---|---|---|---|
| FRESENIUS KABI DEUTSCHLAND | Sep 23, 2021 | FRESENIUS KABI DEUTSCHLAND | ADMISSIBLE |
| NUTRICIA | Sep 23, 2021 | NEDERLANDSCH OCTROOIBUREAU | ADMISSIBLE |
| ABBOTT | Sep 20, 2021 | BOULT WADE TENNANT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN104509849 |
| INTERNATIONAL-SEARCH-REPORT | US2002155163 |
| INTERNATIONAL-SEARCH-REPORT | US2006088574 |
| INTERNATIONAL-SEARCH-REPORT | US2010178281 |
| INTERNATIONAL-SEARCH-REPORT | US2012107291 |
| INTERNATIONAL-SEARCH-REPORT | US2013273015 |
| OPPOSITION | CN104509849 |
| OPPOSITION | EP0925790 |
| OPPOSITION | US2002155163 |
| OPPOSITION | US2006088574 |
| OPPOSITION | US2010178281 |
| OPPOSITION | US5763392 |
| OPPOSITION | WO0064454 |
| OPPOSITION | WO2006102804 |
| OPPOSITION | WO2016020485 |
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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May 21, 2025
Refund of fees
Search/Exam
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May 26, 2020
Claims
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May 26, 2020
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May 26, 2020
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May 15, 2020
Letter accompanying subsequently filed items
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Jun 3, 2019
Submission concerning representation
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May 31, 2019
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Annex to the communication
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Mar 8, 2019
Communication from the Examining Division
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Feb 28, 2019
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Sep 20, 2018
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Sep 20, 2018
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Sep 20, 2018
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Sep 20, 2018
Letter accompanying subsequently filed items
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Sep 20, 2018
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Annex to the communication
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May 14, 2018
Communication from the Examining Division
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May 7, 2018
Examination started
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Sep 21, 2017
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Sep 21, 2017
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Sep 21, 2017
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Sep 21, 2017
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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Communication to designated inventor
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Mar 6, 2017
(Electronic) Receipt
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Mar 6, 2017
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Request for entry into the European phase
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Feb 28, 2017
Dec 16, 2016
Information on entry into European phase
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Letter concerning biological material
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Feb 16, 2016
Letter concerning biological material
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Feb 11, 2016
Copy of the international search report
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Feb 11, 2016
Published international application - A1
Search/Exam
Oct 23, 2015
(Electronic) Receipt
PCTRO
Oct 23, 2015
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RO101 Declaration
PCTRO
Oct 8, 2015
ISR: cited documents
PCTISA
Oct 7, 2015
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PCTRO
Aug 6, 2015
Abstract
PCTRO
Aug 6, 2015
Claims
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Aug 6, 2015
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