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The patent EP2887961 was granted to Novartis on Apr 28, 2021. The application was filed on Aug 22, 2013 under application number EP13750725A. 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 |
|---|---|---|---|
| ALGEMEEN OCTROOI EN MERKENBUREAU | Jan 28, 2022 | ALGEMEEN OCTROOI EN MERKENBUREAU | ADMISSIBLE |
| GENERICS UK | Jan 28, 2022 | ELKINGTON AND FIFE | ADMISSIBLE |
| STADA ARZNEIMITTEL | Jan 28, 2022 | KERNEBECK | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jan 27, 2022 | D YOUNG | ADMISSIBLE |
| WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBB | Jan 27, 2022 | SONNENHAUSER | ADMISSIBLE |
| ALFRED E TIEFENBACHER | Jan 26, 2022 | HAMM & WITTKOPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0034285 |
| DESCRIPTION | EP0034391 |
| DESCRIPTION | EP0036136 |
| DESCRIPTION | EP0059044 |
| DESCRIPTION | EP0063662 |
| DESCRIPTION | EP0443983 |
| DESCRIPTION | GB2218983 |
| DESCRIPTION | JPH06234754 |
| DESCRIPTION | JPH07157459 |
| DESCRIPTION | US4610816 |
| DESCRIPTION | US4722810 |
| DESCRIPTION | US4740499 |
| DESCRIPTION | US4749688 |
| DESCRIPTION | US4929641 |
| DESCRIPTION | US5217996 |
| DESCRIPTION | US5223516 |
| DESCRIPTION | US5250522 |
| DESCRIPTION | US5273990 |
| DESCRIPTION | US5294632 |
| DESCRIPTION | US5399578 |
| DESCRIPTION | WO03059345 |
| DESCRIPTION | WO2007056546 |
| DESCRIPTION | WO2009061713 |
| DESCRIPTION | WO9009374 |
| DESCRIPTION | WO9214706 |
| DESCRIPTION | WO9309101 |
| DESCRIPTION | WO9310773 |
| DESCRIPTION | WO9415908 |
| DESCRIPTION | ZA8400670 |
| INTERNATIONAL-SEARCH-REPORT | US5217996 |
| INTERNATIONAL-SEARCH-REPORT | WO03059345 |
| INTERNATIONAL-SEARCH-REPORT | WO2006086456 |
| INTERNATIONAL-SEARCH-REPORT | WO2007056546 |
| INTERNATIONAL-SEARCH-REPORT | WO2009061713 |
| INTERNATIONAL-SEARCH-REPORT | WO2012027237 |
| OPPOSITION | US5217996 |
| OPPOSITION | WO03059345 |
| OPPOSITION | WO2006086456 |
| OPPOSITION | WO2007056546 |
| OPPOSITION | WO2009061713 |
| OPPOSITION | WO2012027237 |
| OPPOSITION | WO2014029848 |
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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May 12, 2021
Apr 1, 2021
Decision to grant a European patent
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Mar 17, 2021
(Electronic) Receipt
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Mar 17, 2021
Filing of the translations of the claims
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Mar 17, 2021
French translation of claims
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Mar 17, 2021
German translation of the claims
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Feb 17, 2021
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Intention to grant (signatures)
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Feb 17, 2021
Text intended for grant (clean copy)
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Feb 17, 2021
Aug 3, 2020
(Electronic) Receipt
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Aug 3, 2020
Amended claims with annotations
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Aug 3, 2020
Amended description with annotations
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Aug 3, 2020
Claims
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Aug 3, 2020
Description
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Aug 3, 2020
Letter accompanying subsequently filed items
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Aug 3, 2020
Mar 30, 2020
Annex to the communication
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Mar 30, 2020
Communication from the Examining Division
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Sep 23, 2019
Decision to allow further processing
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Sep 13, 2019
(Electronic) Receipt
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Sep 13, 2019
Amended claims with annotations
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Sep 13, 2019
Claims
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Sep 13, 2019
Letter accompanying subsequently filed items
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Sep 13, 2019
Request for further processing
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Jul 4, 2019
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Apr 2, 2019
(Electronic) Receipt
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Apr 2, 2019
Letter accompanying subsequently filed items
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Apr 2, 2019
Nov 27, 2018
Annex to the communication
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Nov 27, 2018
Communication from the Examining Division
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May 18, 2018
Decision to allow further processing
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May 9, 2018
(Electronic) Receipt
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May 9, 2018
Amended claims with annotations
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May 9, 2018
Claims
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May 9, 2018
Letter accompanying subsequently filed items
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May 9, 2018
Request for further processing
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Feb 28, 2018
Nov 28, 2017
Nov 22, 2017
(Electronic) Receipt
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Nov 22, 2017
Letter accompanying subsequently filed items
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Nov 22, 2017
Jul 20, 2017
Annex to the communication
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Jul 20, 2017
Communication from the Examining Division
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Jun 21, 2016
(Electronic) Receipt
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Jun 21, 2016
Amended claims with annotations
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Jun 21, 2016
Claims
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Jun 21, 2016
Letter accompanying subsequently filed items
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Jun 21, 2016
Feb 11, 2016
Annex to the communication
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Feb 11, 2016
Communication from the Examining Division
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Feb 4, 2016
Examination started
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Jun 3, 2015
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Apr 1, 2015
Communication to designated inventor
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Apr 1, 2015
Communication to designated inventor
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Mar 10, 2015
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(Electronic) Receipt
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Feb 5, 2015
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Request for entry into the European phase
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Jan 8, 2015
Information on entry into European phase
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Mar 18, 2014
Feb 27, 2014
Copy of the international search report
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Feb 27, 2014
Published international application - A1
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Oct 17, 2013
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Aug 22, 2013
(Electronic) Receipt
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Aug 22, 2013
Abstract
PCTRO
Aug 22, 2013
Claims
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Aug 22, 2013
Description
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Aug 22, 2013
Drawings
PCTRO