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The patent EP3300743 was granted to Zoetis Services on Jun 14, 2023. The application was filed on Nov 23, 2007 under application number EP17202017A. 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 |
|---|---|---|---|
| BOEHRINGER INGELHEIM | Mar 13, 2024 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0109942 |
| DESCRIPTION | EP0180564 |
| DESCRIPTION | EP0231039 |
| OPPOSITION | WO0202139 |
| OPPOSITION | WO2004067031 |
| OPPOSITION | WO2006038115 |
| OPPOSITION | WO2008084294 |
| OPPOSITION | WO9818453 |
| SEARCH | WO0202139 |
| SEARCH | WO2006038115 |
| SEARCH | WO9818453 |
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 27, 2025
Mar 27, 2025
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Decision to grant a European patent
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May 4, 2023
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May 4, 2023
Filing of the translations of the claims
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May 4, 2023
French translation of claims
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May 4, 2023
German translation of the claims
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May 4, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jan 4, 2023
Text intended for grant (clean copy)
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(Electronic) Receipt
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Nov 11, 2022
Description
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Nov 11, 2022
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Nov 8, 2022
Annex to the communication
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Nov 8, 2022
Consultation by telephone/in person
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Letter accompanying subsequently filed items
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Nov 3, 2022
Amended claims with annotations
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Nov 3, 2022
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Nov 3, 2022
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Oct 25, 2022
Annex to the communication
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Oct 25, 2022
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Letter dealing with oral proceedings
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Oct 7, 2022
Oral proceedings: reply to date proposed
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Oct 14, 2021
Annex to the communication
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Oct 14, 2021
Summons to attend oral proceedings
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Sep 30, 2021
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Sep 30, 2021
Consultation by telephone/in person
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Sep 30, 2021
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Nov 4, 2020
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Apr 24, 2020
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Annex to the communication
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Dec 16, 2019
Communication from the Examining Division
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Dec 9, 2019
Examination started
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Feb 11, 2019
Decision to allow further processing
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Jan 28, 2019
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Jan 28, 2019
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Amended claims with annotations
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Jan 28, 2019
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Jan 28, 2019
Maintenance of the application
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Jan 28, 2019
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Nov 16, 2018
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Letter concerning the inventor
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Notification of forthcoming publication
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European search opinion
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European search report
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Information on Search Strategy
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Jan 15, 2018
Search started
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Communication to designated inventor
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Communication to designated inventor
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Nov 16, 2017
Abstract
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Claims
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Description
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Nov 16, 2017
Designation of inventor
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Nov 16, 2017
Drawings
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Nov 16, 2017
Letter concerning search matters
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Nov 16, 2017
Matter concerning the application
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Nov 16, 2017
Request for grant of a European patent
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Aug 4, 2008