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The patent EP3534939 was granted to Boehringer Ingelheim on Feb 22, 2023. The application was filed on Nov 2, 2017 under application number EP17808328A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| ZOETIS SERVICES | Nov 21, 2023 | PAGE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19860920197 |
| DESCRIPTION | US19960675556 |
| DESCRIPTION | US19960675566 |
| DESCRIPTION | CN102488895 |
| DESCRIPTION | CN102727881 |
| DESCRIPTION | CN104288760 |
| DESCRIPTION | EP0265785 |
| DESCRIPTION | EP0370573 |
| DESCRIPTION | EP2460818 |
| DESCRIPTION | RU2004108484 |
| DESCRIPTION | US2014322267 |
| DESCRIPTION | US2015283229 |
| DESCRIPTION | US2909462 |
| DESCRIPTION | US382425 |
| DESCRIPTION | US4394448 |
| DESCRIPTION | US4603112 |
| DESCRIPTION | US4722848 |
| DESCRIPTION | US4745051 |
| DESCRIPTION | US4769330 |
| DESCRIPTION | US4769331 |
| DESCRIPTION | US4945050 |
| DESCRIPTION | US5174993 |
| DESCRIPTION | US5338683 |
| DESCRIPTION | US5364773 |
| DESCRIPTION | US5494807 |
| DESCRIPTION | US5505941 |
| DESCRIPTION | US5552143 |
| DESCRIPTION | US5580859 |
| DESCRIPTION | US5589466 |
| DESCRIPTION | US5591439 |
| DESCRIPTION | US5591639 |
| DESCRIPTION | US5677178 |
| DESCRIPTION | US5762938 |
| DESCRIPTION | US5770212 |
| DESCRIPTION | US5928913 |
| DESCRIPTION | US5942235 |
| DESCRIPTION | US7700285 |
| DESCRIPTION | WO2006072065 |
| DESCRIPTION | WO2007094893 |
| DESCRIPTION | WO2013024113 |
| DESCRIPTION | WO9001543 |
| DESCRIPTION | WO9011092 |
| DESCRIPTION | WO9111525 |
| DESCRIPTION | WO9319183 |
| DESCRIPTION | WO9416716 |
| DESCRIPTION | WO9421797 |
| DESCRIPTION | WO9511307 |
| DESCRIPTION | WO9520660 |
| DESCRIPTION | WO9530018 |
| DESCRIPTION | WO9639491 |
| DESCRIPTION | WO9800166 |
| DESCRIPTION | WO9833510 |
| INTERNATIONAL-SEARCH-REPORT | CN102488895 |
| INTERNATIONAL-SEARCH-REPORT | CN102727881 |
| INTERNATIONAL-SEARCH-REPORT | CN104288760 |
| INTERNATIONAL-SEARCH-REPORT | EP2460818 |
| INTERNATIONAL-SEARCH-REPORT | RU2004108484 |
| INTERNATIONAL-SEARCH-REPORT | US2014322267 |
| INTERNATIONAL-SEARCH-REPORT | US2015283229 |
| INTERNATIONAL-SEARCH-REPORT | US7700285 |
| INTERNATIONAL-SEARCH-REPORT | WO2013024113 |
| OPPOSITION | US2012213810 |
| OPPOSITION | WO2011028888 |
| OPPOSITION | WO2018083156 |
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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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Jan 11, 2023
(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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Jan 11, 2023
French translation of claims
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German translation of the claims
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Jan 11, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
Search/Exam
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Text intended for grant (sequence listing)
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
Aug 25, 2021
Letter accompanying subsequently filed items
Search/Exam
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Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Annex
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Annex
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Claims
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Description
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Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Apr 30, 2021
Communication from the Examining Division
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(Electronic) Receipt
Search/Exam
Jan 13, 2021
Amended claims with annotations
Search/Exam
Jan 13, 2021
Claims
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Jan 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Oct 23, 2020
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(Electronic) Receipt
Search/Exam
Oct 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2020
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Annex to the communication
Search/Exam
Jul 17, 2020
Communication from the Examining Division
Search/Exam
Jul 6, 2020
Examination started
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Dec 3, 2019
(Electronic) Receipt
Search/Exam
Dec 3, 2019
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Amended claims with annotations
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Dec 3, 2019
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Dec 3, 2019
Letter accompanying subsequently filed items
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Aug 14, 2019
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Jun 12, 2019
Communication to designated inventor
Search/Exam
Jun 12, 2019
Communication to designated inventor
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Communication to designated inventor
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Jun 12, 2019
Communication to designated inventor
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Jun 12, 2019
Communication to designated inventor
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Jun 12, 2019
Communication to designated inventor
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Communication to designated inventor
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Search/Exam
Jun 6, 2019
Priority search results copy provided by EPO
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May 21, 2019
May 9, 2019
(Electronic) Receipt
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May 9, 2019
May 9, 2019
Request for entry into the European phase
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Mar 15, 2019
Information on entry into European phase
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May 28, 2018
May 11, 2018
Converted Sequence Listing
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May 11, 2018
Copy of the international search report
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May 11, 2018
Published international application - A1
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Mar 29, 2018
ISR: cited documents
PCTISA
Mar 26, 2018
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(Electronic) Receipt
PCTISA
Feb 19, 2018
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Feb 6, 2018
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(Electronic) Receipt
PCTRO
Nov 2, 2017
Abstract
PCTRO
Nov 2, 2017
Claims
PCTRO
Nov 2, 2017
Description
PCTRO
Nov 2, 2017
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Drawings
PCTRO
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