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The patent EP2928454 was granted to Ceva Sant Animale on Mar 18, 2020. The application was filed on Dec 6, 2013 under application number EP13802596A. 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 |
|---|---|---|---|
| ELANCO | Dec 18, 2020 | POTTER CLARKSON | WITHDRAWN |
| BAYER ANIMAL HEALTH | Mar 18, 2020 | VON RENESSE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102007025908 |
| INTERNATIONAL-SEARCH-REPORT | US6465460 |
| INTERNATIONAL-SEARCH-REPORT | WO0214288 |
| OPPOSITION | CA2688613 |
| OPPOSITION | CN101947201 |
| OPPOSITION | CN102512366 |
| OPPOSITION | CN102743334 |
| OPPOSITION | DE102007025908 |
| OPPOSITION | EP2164496 |
| OPPOSITION | EP2276347 |
| OPPOSITION | US2010179151 |
| OPPOSITION | US3536696 |
| OPPOSITION | WO0019964 |
| OPPOSITION | WO2010146155 |
| OPPOSITION | WO2014086958 |
| OPPOSITION | WO2019233870 |
| OTHER | CN102743334 |
| OTHER | EP2164496 |
| OTHER | US6465460 |
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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Annex
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Feb 20, 2020
Decision to grant a European patent
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Feb 20, 2020
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Patent document filed by a Third party
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Patent document filed by a Third party
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Feb 10, 2020
(Electronic) Receipt
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Feb 10, 2020
Filing of the translations of the claims
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French translation of claims
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Feb 10, 2020
German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Feb 7, 2020
Text intended for grant (clean copy)
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Feb 7, 2020
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Non-patent literature filed by a third party
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(Electronic) Receipt
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Nov 15, 2019
Amended claims with annotations
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Nov 15, 2019
Amended description with annotations
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Nov 15, 2019
Authorisation
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Nov 15, 2019
Claims
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Nov 15, 2019
Description
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Nov 15, 2019
General authorisation
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Nov 15, 2019
Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Observations by third parties
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May 28, 2019
(Electronic) Receipt
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May 28, 2019
Amended claims with annotations
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May 28, 2019
Amended description with annotations
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May 28, 2019
Claims
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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May 20, 2019
Amended claims with annotations
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Amended description with annotations
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Apr 29, 2019
Annex to the communication
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Apr 29, 2019
Consultation by telephone/in person
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Apr 18, 2019
Non-patent literature filed by a third party
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Apr 3, 2019
Amended description with annotations
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Letter accompanying subsequently filed items
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Feb 27, 2019
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Feb 27, 2019
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Feb 27, 2019
Letter accompanying subsequently filed items
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Feb 27, 2019
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Jun 18, 2018
Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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Jun 18, 2018
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Annex to the communication
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Feb 28, 2018
Communication from the Examining Division
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Jul 19, 2017
(Electronic) Receipt
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Jul 19, 2017
Amended claims with annotations
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Jul 19, 2017
Annex
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Jul 19, 2017
Claims
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Jul 19, 2017
Letter accompanying subsequently filed items
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Jul 19, 2017
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Annex to the communication
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Mar 23, 2017
Communication from the Examining Division
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Mar 16, 2017
Examination started
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Feb 10, 2016
Refund of fees
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Jan 21, 2016
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Jan 21, 2016
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Amended claims with annotations
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Jan 21, 2016
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Amended description with annotations
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Jan 21, 2016
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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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Communication to designated inventor
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Jul 14, 2015
Priority search results copy provided by EPO
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Jun 30, 2015
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Jun 12, 2014
Published international application - A1
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Dec 6, 2013
(Electronic) Receipt
PCTRO
Dec 6, 2013
Abstract
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Dec 6, 2013
Claims
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Dec 6, 2013
Description
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Dec 6, 2013
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