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The patent EP3160906 was granted to Micronutrients USA on Jul 29, 2020. The application was filed on May 14, 2015 under application number EP15792619A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| INDUSTRIAS QUIMICAS DEL VALLES | Apr 29, 2021 | ZBM PATENTS ZEA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US3202478 |
| INTERNATIONAL-SEARCH-REPORT | CN1230092C |
| INTERNATIONAL-SEARCH-REPORT | US2006189483 |
| INTERNATIONAL-SEARCH-REPORT | US2008113063 |
| INTERNATIONAL-SEARCH-REPORT | US2013064963 |
| INTERNATIONAL-SEARCH-REPORT | US5451414 |
| INTERNATIONAL-SEARCH-REPORT | US6265438 |
| OPPOSITION | DD122175 |
| OPPOSITION | FR957457 |
| OPPOSITION | PL136360B |
| OPPOSITION | US2013064963 |
| OPPOSITION | US2046937 |
| OPPOSITION | US3202478 |
| OPPOSITION | US4097271 |
| OTHER | US2046937 |
| OTHER | US2162091 |
| OTHER | US3202478 |
| SEARCH | CN1528171 |
| SEARCH | US2046937 |
| SEARCH | US2162091 |
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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Oct 16, 2025
(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Means of redress
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Aug 10, 2020
Jul 2, 2020
Decision to grant a European patent
Search/Exam
Jun 19, 2020
(Electronic) Receipt
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Jun 19, 2020
Filing of the translations of the claims
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Jun 19, 2020
French translation of claims
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Jun 19, 2020
German translation of the claims
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Intention to grant (signatures)
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Apr 23, 2020
Text intended for grant (clean copy)
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Apr 23, 2020
Oct 17, 2019
(Electronic) Receipt
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Oct 17, 2019
Amended claims with annotations
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Oct 17, 2019
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Oct 17, 2019
Claims
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Oct 17, 2019
Claims
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Oct 17, 2019
Letter accompanying subsequently filed items
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Oct 17, 2019
Jun 25, 2019
Annex to the communication
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Jun 25, 2019
Communication from the Examining Division
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May 16, 2019
Amended claims with annotations
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May 16, 2019
Claims
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May 16, 2019
Feb 5, 2019
Annex to the communication
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Feb 5, 2019
Communication from the Examining Division
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Dec 21, 2018
Description
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Dec 21, 2018
Nov 19, 2018
Annex to the communication
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Nov 19, 2018
Communication from the Examining Division
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Sep 28, 2018
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Annex to the communication
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May 30, 2018
Communication from the Examining Division
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Apr 17, 2018
Apr 6, 2018
Citation filed by a third party
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Apr 6, 2018
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Apr 6, 2018
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Apr 6, 2018
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Mar 20, 2018
Dec 13, 2017
Annex to the communication
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Dec 13, 2017
Communication from the Examining Division
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Dec 5, 2017
Examination started
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Oct 6, 2017
Oct 6, 2017
Amended claims with annotations
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Oct 6, 2017
Amendments received before examination
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Oct 6, 2017
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European search opinion
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Apr 5, 2017
Information on Search Strategy
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Apr 5, 2017
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Supplementary European search report
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Mar 22, 2017
Search started
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Feb 20, 2017
Communication to designated inventor
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Feb 17, 2017
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Letter concerning the inventor
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Feb 8, 2017
Observations by third parties
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Feb 8, 2017
Patent document filed by a Third party
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Jan 23, 2017
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Matter concerning the application
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Jan 16, 2017
Letter which had not been notified
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Dec 21, 2016
Communication to designated inventor
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Dec 9, 2016
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Nov 29, 2016
Notification of the recording of a change
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Nov 11, 2016
(Electronic) Receipt
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Nov 11, 2016
Annex
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Nov 11, 2016
Matter concerning the application
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Nov 11, 2016
Request for entry into the European phase
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Sep 23, 2016
Information on entry into European phase
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Dec 8, 2015
Nov 19, 2015
Copy of the international search report
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Nov 19, 2015
Nov 19, 2015
Published international application - A1
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