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The patent EP2842569 was granted to Zoetis P on Apr 10, 2019. The application was filed on Jun 7, 2002 under application number EP14182639A. 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 | Jan 3, 2020 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0475185 |
| DESCRIPTION | US5252328 |
| DESCRIPTION | US5565205 |
| DESCRIPTION | US5788962 |
| DESCRIPTION | WO9115593 |
| DESCRIPTION | WO9509870 |
| DESCRIPTION | WO9628472 |
| DESCRIPTION | WO9926664 |
| OPPOSITION | EP0307976 |
| OPPOSITION | EP0597852 |
| OPPOSITION | EP0846468 |
| OPPOSITION | EP2833909 |
| OPPOSITION | WO0210343 |
| OPPOSITION | WO9118627 |
| OPPOSITION | WO9203157 |
| OPPOSITION | WO9407531 |
| OPPOSITION | WO9530437 |
| OPPOSITION | WO9814212 |
| SEARCH | WO0210343 |
| SEARCH | WO9407531 |
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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Mar 10, 2022
Mar 10, 2022
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Means of redress
OPPO
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Jun 10, 2019
Payment submission rejected
Search/Exam
Apr 24, 2019
Mar 14, 2019
Decision to grant a European patent
Search/Exam
Feb 23, 2019
(Electronic) Receipt
Search/Exam
Feb 23, 2019
Filing of the translations of the claims
Search/Exam
Feb 23, 2019
French translation of claims
Search/Exam
Feb 23, 2019
German translation of the claims
Search/Exam
Feb 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2018
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Intention to grant (signatures)
Search/Exam
Oct 30, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 30, 2018
Apr 9, 2018
(Electronic) Receipt
Search/Exam
Apr 9, 2018
Amended description with annotations
Search/Exam
Apr 9, 2018
Description
Search/Exam
Apr 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2018
Feb 14, 2018
Feb 8, 2018
(Electronic) Receipt
Search/Exam
Feb 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2018
Nov 28, 2017
Annex to the communication
Search/Exam
Nov 28, 2017
Nov 28, 2017
Jul 3, 2017
(Electronic) Receipt
Search/Exam
Jul 3, 2017
Amended claims with annotations
Search/Exam
Jul 3, 2017
Amended description with annotations
Search/Exam
Jul 3, 2017
Claims
Search/Exam
Jul 3, 2017
Description
Search/Exam
Jul 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
Jun 30, 2017
Jun 26, 2017
Feb 21, 2017
Annex to the communication
Search/Exam
Feb 21, 2017
Communication from the Examining Division
Search/Exam
Oct 25, 2016
(Electronic) Receipt
Search/Exam
Oct 25, 2016
Amended claims with annotations
Search/Exam
Oct 25, 2016
Claims
Search/Exam
Oct 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2016
Aug 30, 2016
Aug 21, 2016
(Electronic) Receipt
Search/Exam
Aug 21, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2016
Apr 15, 2016
Annex to the communication
Search/Exam
Apr 15, 2016
Communication from the Examining Division
Search/Exam
Sep 28, 2015
Sep 19, 2015
(Electronic) Receipt
Search/Exam
Sep 19, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2015
Sep 3, 2015
(Electronic) Receipt
Search/Exam
Sep 3, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 24, 2015
(Electronic) Receipt
Search/Exam
Aug 24, 2015
Annexes in respect of a client data request
Search/Exam
Aug 24, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2015
Mar 9, 2015
Feb 11, 2015
Refund of fees
Search/Exam
Feb 4, 2015
Notification of forthcoming publication
Search/Exam
Jan 30, 2015
Jan 30, 2015
European search opinion
Search/Exam
Jan 30, 2015
European search report
Search/Exam
Jan 7, 2015
Search started
Search/Exam
Oct 21, 2014
Communication to designated inventor
Search/Exam
Oct 21, 2014
Communication to designated inventor
Search/Exam
Aug 28, 2014
Abstract
Search/Exam
Aug 28, 2014
Aug 28, 2014
Claims
Search/Exam
Aug 28, 2014
Description
Search/Exam
Aug 28, 2014
Designation of inventor
Search/Exam
Aug 28, 2014
Designation of inventor
Search/Exam
Aug 28, 2014
Priority search results
Search/Exam
Aug 28, 2014
Priority search results
Search/Exam
Aug 28, 2014
Request for grant of a European patent
Search/Exam
Jun 2, 2004