The weekly litigation news digest is live. Subscribe now
The patent EP2928455 was granted to Ceva Sant Animale on Aug 21, 2019. The application was filed on Dec 6, 2013 under application number EP13815401A. 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| ELANCO | Jun 1, 2020 | POTTER CLARKSON | WITHDRAWN |
| BAYER ANIMAL HEALTH | May 20, 2020 | VON RENESSE | WITHDRAWN |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 | FR2946882 |
| INTERNATIONAL-SEARCH-REPORT | US6465460 |
| OPPOSITION | CA2699613 |
| OPPOSITION | CN101947201 |
| OPPOSITION | DE102007025908 |
| OPPOSITION | US4493826 |
| OPPOSITION | US6465460 |
| OPPOSITION | WO2010146155 |
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
Get instant alerts for new documents
Jan 19, 2022
Jan 14, 2022
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Sep 21, 2021
Sep 21, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Jul 30, 2021
Jul 30, 2021
Jul 30, 2021
Apr 14, 2021
Apr 12, 2021
Apr 7, 2021
Apr 7, 2021
Apr 7, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 26, 2021
Mar 26, 2021
Mar 24, 2021
Mar 23, 2021
Mar 22, 2021
Mar 22, 2021
Mar 22, 2021
Mar 22, 2021
Mar 22, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 4, 2021
Authorisation
OPPO
Mar 4, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Document concerning representation
Search/Exam
Jan 21, 2021
Jan 5, 2021
Dec 29, 2020
Oct 30, 2020
Oct 30, 2020
Oct 27, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 8, 2020
Jun 2, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
Jun 1, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
Jan 28, 2020
Jan 28, 2020
Jan 22, 2020
(Electronic) Receipt
Search/Exam
Jan 22, 2020
Sep 2, 2019
Jul 25, 2019
Decision to grant a European patent
Search/Exam
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Intention to grant (signatures)
Search/Exam
Jul 10, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 10, 2019
Jun 13, 2019
(Electronic) Receipt
Search/Exam
Jun 13, 2019
Amended claims with annotations
Search/Exam
Jun 13, 2019
Claims
Search/Exam
Jun 13, 2019
French translation of claims
Search/Exam
Jun 13, 2019
German translation of the claims
Search/Exam
Jun 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Intention to grant (signatures)
Search/Exam
Feb 18, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 18, 2019
Jun 18, 2018
(Electronic) Receipt
Search/Exam
Jun 18, 2018
Amended description with annotations
Search/Exam
Jun 18, 2018
Description
Search/Exam
Jun 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 18, 2018
Mar 1, 2018
Annex to the communication
Search/Exam
Mar 1, 2018
Communication from the Examining Division
Search/Exam
Jul 19, 2017
(Electronic) Receipt
Search/Exam
Jul 19, 2017
Amended claims with annotations
Search/Exam
Jul 19, 2017
Citation for the examination procedure
Search/Exam
Jul 19, 2017
Citation for the examination procedure
Search/Exam
Jul 19, 2017
Claims
Search/Exam
Jul 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2017
Jul 7, 2017
Jun 30, 2017
(Electronic) Receipt
Search/Exam
Jun 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2017
Mar 1, 2017
Annex to the communication
Search/Exam
Mar 1, 2017
Communication from the Examining Division
Search/Exam
Feb 14, 2017
Examination started
Search/Exam
Mar 2, 2016
Refund of fees
Search/Exam
Jan 21, 2016
(Electronic) Receipt
Search/Exam
Jan 21, 2016
Jan 21, 2016
Amended claims with annotations
Search/Exam
Jan 21, 2016
Jan 21, 2016
Amended description with annotations
Search/Exam
Jan 21, 2016
Amendments received before examination
Search/Exam
Jan 21, 2016
Amendments received before examination
Search/Exam
Jan 21, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2015
Jul 21, 2015
Jul 17, 2015
Communication to designated inventor
Search/Exam
Jul 17, 2015
Communication to designated inventor
Search/Exam
Jul 17, 2015
Communication to designated inventor
Search/Exam
Jul 17, 2015
Communication to designated inventor
Search/Exam
Jul 14, 2015
Priority search results copy provided by EPO
Search/Exam
Jun 30, 2015
(Electronic) Receipt
Search/Exam
Jun 30, 2015
Request for entry into the European phase
Search/Exam
Jun 23, 2015
Apr 17, 2015
Information on entry into European phase
Search/Exam
Jul 3, 2014
Jun 12, 2014
Copy of the international search report
Search/Exam
Jun 12, 2014
Published international application - A1
Search/Exam
Feb 3, 2014
Feb 3, 2014
Feb 3, 2014
Dec 6, 2013
(Electronic) Receipt
PCTRO
Dec 6, 2013
Abstract
PCTRO
Dec 6, 2013
Claims
PCTRO
Dec 6, 2013
Description
PCTRO
Dec 6, 2013
Drawings
PCTRO
Dec 6, 2013