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The patent EP2833909 was granted to Zoetis on Feb 6, 2019. The application was filed on Apr 3, 2013 under application number EP13717118A. 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 |
|---|---|---|---|
| BOEHRINGER INGELHEIM | Feb 7, 2019 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2011IB55003 |
| DESCRIPTION | EP0595436 |
| DESCRIPTION | ES2074950 |
| DESCRIPTION | GB2282811 |
| DESCRIPTION | US2011150913 |
| DESCRIPTION | US5620691 |
| DESCRIPTION | US5695766 |
| DESCRIPTION | US5788962 |
| DESCRIPTION | US6110467 |
| DESCRIPTION | US6162435 |
| DESCRIPTION | US6165995 |
| DESCRIPTION | US6251397 |
| DESCRIPTION | US6251404 |
| DESCRIPTION | US6268199 |
| DESCRIPTION | US6380376 |
| DESCRIPTION | US6500662 |
| DESCRIPTION | US6592873 |
| DESCRIPTION | US6610310 |
| DESCRIPTION | US6773908 |
| DESCRIPTION | US6977078 |
| DESCRIPTION | US7223854 |
| DESCRIPTION | US7264802 |
| DESCRIPTION | US7264957 |
| DESCRIPTION | US7279166 |
| DESCRIPTION | US7419806 |
| DESCRIPTION | US7517976 |
| DESCRIPTION | US7575752 |
| DESCRIPTION | WO03049703 |
| DESCRIPTION | WO9221375 |
| DESCRIPTION | WO9303760 |
| DESCRIPTION | WO9307898 |
| DESCRIPTION | WO9314196 |
| INTERNATIONAL-SEARCH-REPORT | WO2007116032 |
| INTERNATIONAL-SEARCH-REPORT | WO2009126356 |
| INTERNATIONAL-SEARCH-REPORT | WO2011141443 |
| INTERNATIONAL-SEARCH-REPORT | WO9628472 |
| OPPOSITION | EP0283840 |
| OPPOSITION | EP2217271 |
| OPPOSITION | EP2327787 |
| OPPOSITION | US2009317423 |
| OPPOSITION | US5084269 |
| OPPOSITION | US8546149 |
| OPPOSITION | US9687544 |
| OPPOSITION | WO2012025612 |
| OPPOSITION | WO9628472 |
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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Apr 24, 2024
Apr 24, 2024
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(Electronic) Receipt
Appeal
Apr 11, 2024
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(Electronic) Receipt
Appeal
Feb 6, 2024
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(Electronic) Receipt
Appeal
Nov 6, 2023
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(Electronic) Receipt
Appeal
Sep 16, 2022
Sep 16, 2022
Reply to appeal
Appeal
May 6, 2022
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(Electronic) Receipt
Appeal
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Appeal
Feb 18, 2022
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Means of redress
OPPO
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Authorisation
Appeal
Mar 30, 2020
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OPPO
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Decision to grant a European patent
Search/Exam
Dec 18, 2018
(Electronic) Receipt
Search/Exam
Dec 18, 2018
Filing of the translations of the claims
Search/Exam
Dec 18, 2018
French translation of claims
Search/Exam
Dec 18, 2018
German translation of the claims
Search/Exam
Dec 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2018
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Intention to grant (signatures)
Search/Exam
Aug 8, 2018
Text intended for grant (clean copy)
Search/Exam
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Text intended for grant (sequence listing)
Search/Exam
Aug 8, 2018
Jul 12, 2018
(Electronic) Receipt
Search/Exam
Jul 12, 2018
Amended description with annotations
Search/Exam
Jul 12, 2018
Description
Search/Exam
Jul 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2018
Mar 7, 2018
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Intention to grant (signatures)
Search/Exam
Mar 7, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 7, 2018
Text intended for grant (sequence listing)
Search/Exam
Mar 7, 2018
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(Electronic) Receipt
Search/Exam
Jan 10, 2018
Amended claims with annotations
Search/Exam
Jan 10, 2018
Amended description with annotations
Search/Exam
Jan 10, 2018
Claims
Search/Exam
Jan 10, 2018
Description
Search/Exam
Jan 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2018
Nov 13, 2017
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(Electronic) Receipt
Search/Exam
Nov 8, 2017
Letter accompanying subsequently filed items
Search/Exam
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Sep 13, 2017
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(Electronic) Receipt
Search/Exam
Sep 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2017
Jun 30, 2017
Annex to the communication
Search/Exam
Jun 30, 2017
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Jun 26, 2017
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(Electronic) Receipt
Search/Exam
Jan 2, 2017
Amended claims with annotations
Search/Exam
Jan 2, 2017
Claims
Search/Exam
Jan 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2017
Oct 27, 2016
Oct 24, 2016
(Electronic) Receipt
Search/Exam
Oct 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2016
Jun 17, 2016
Annex to the communication
Search/Exam
Jun 17, 2016
Communication from the Examining Division
Search/Exam
Jun 9, 2016
Examination started
Search/Exam
Jul 16, 2015
Jul 1, 2015
(Electronic) Receipt
Search/Exam
Jul 1, 2015
Annexes in respect of a client data request
Search/Exam
Jul 1, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2015
Feb 11, 2015
Communication to designated inventor
Search/Exam
Feb 11, 2015
Jan 14, 2015
Jan 6, 2015
Letter which had not been notified
Search/Exam
Jan 5, 2015
Letter which had not been notified
Search/Exam
Dec 4, 2014
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 26, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
(Electronic) Receipt
Search/Exam
Nov 4, 2014
Nov 4, 2014
Amended claims with annotations
Search/Exam
Nov 4, 2014
Request for entry into the European phase
Search/Exam
Oct 22, 2014
Aug 18, 2014
Information on entry into European phase
Search/Exam
Nov 1, 2013
Oct 10, 2013
Converted Sequence Listing
Search/Exam
Oct 10, 2013
Copy of the international search report
Search/Exam
Oct 10, 2013
Published international application - A1
Search/Exam
Jul 4, 2013
Jul 4, 2013
Jul 4, 2013
Apr 18, 2013
Abstract
PCTISA
Apr 18, 2013
Claims
PCTISA
Apr 18, 2013
Description
PCTISA
Apr 18, 2013
Drawings
PCTISA
Apr 18, 2013