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The patent EP3157571 was granted to Novartis on Nov 24, 2021. The application was filed on Jun 18, 2015 under application number EP15732508A. 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 |
|---|---|---|---|
| DR H ULRICH DORRIES | Aug 24, 2022 | DORRIES | ADMISSIBLE |
| DR H ULRICH DORRIES | Aug 24, 2022 | DORRIES, HANS ULRICH , DF-MP DORRIES FRANK-MOLNIA & POHLMAN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004062718 |
| DESCRIPTION | US2004096403 |
| DESCRIPTION | US2009068738 |
| DESCRIPTION | US2011044905 |
| DESCRIPTION | US2011044977 |
| DESCRIPTION | US2015017192 |
| DESCRIPTION | US6492324 |
| DESCRIPTION | US7083970 |
| DESCRIPTION | US8465739 |
| DESCRIPTION | US8476239 |
| DESCRIPTION | US8673848 |
| DESCRIPTION | WO03043985 |
| DESCRIPTION | WO2004103995 |
| DESCRIPTION | WO2009095372 |
| DESCRIPTION | WO2009122285 |
| DESCRIPTION | WO2010048582 |
| DESCRIPTION | WO2011092234 |
| DESCRIPTION | WO2013006656 |
| DESCRIPTION | WO2013027191 |
| DESCRIPTION | WO2013111110 |
| DESCRIPTION | WO2014081702 |
| DESCRIPTION | WO2014095773 |
| DESCRIPTION | WO2015006728 |
| DESCRIPTION | WO2015013165 |
| DESCRIPTION | WO2015013167 |
| DESCRIPTION | WO2015013168 |
| DESCRIPTION | WO2015013169 |
| INTERNATIONAL-SEARCH-REPORT | WO2014083505 |
| INTERNATIONAL-SEARCH-REPORT | WO2015006728 |
| INTERNATIONAL-SEARCH-REPORT | WO2015013168 |
| INTERNATIONAL-SEARCH-REPORT | WO2015013169 |
| OPPOSITION | EP0492628 |
| OPPOSITION | US4517105 |
| OPPOSITION | US4582927 |
| OPPOSITION | US5175191 |
| OPPOSITION | WO0102343 |
| OPPOSITION | WO2011085000 |
| OPPOSITION | WO2013113008 |
| OPPOSITION | WO2013148117 |
| OPPOSITION | WO2014120619 |
| OPPOSITION | WO2015006728 |
| OPPOSITION | WO2015013168 |
| OPPOSITION | WO2015013169 |
| OPPOSITION | WO8304412 |
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 17, 2025
Apr 16, 2025
(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Decision to grant a European patent
Search/Exam
Oct 13, 2021
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Oct 13, 2021
French translation of claims
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German translation of the claims
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Oct 13, 2021
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Jun 7, 2021
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Apr 6, 2021
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Apr 6, 2021
Description
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Apr 6, 2021
Letter accompanying subsequently filed items
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Apr 6, 2021
Nov 26, 2020
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Intention to grant (signatures)
Search/Exam
Nov 26, 2020
Text intended for grant (clean copy)
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Nov 26, 2020
Sep 4, 2020
(Electronic) Receipt
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Sep 4, 2020
Amended claims with annotations
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Sep 4, 2020
Amended description with annotations
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Sep 4, 2020
Claims
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Sep 4, 2020
Description
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Sep 4, 2020
Letter accompanying subsequently filed items
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Sep 4, 2020
Jul 8, 2020
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(Electronic) Receipt
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Jul 2, 2020
Letter accompanying subsequently filed items
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Jul 2, 2020
Feb 25, 2020
Annex to the communication
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Feb 25, 2020
Communication from the Examining Division
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Jan 17, 2020
(Electronic) Receipt
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Jan 17, 2020
Amended claims with annotations
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Jan 17, 2020
Claims
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Jan 17, 2020
Letter accompanying subsequently filed items
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Jan 17, 2020
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(Electronic) Receipt
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Feb 1, 2019
Amended claims with annotations
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Feb 1, 2019
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Feb 1, 2019
Letter accompanying subsequently filed items
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Feb 1, 2019
Dec 4, 2018
Nov 28, 2018
(Electronic) Receipt
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Nov 28, 2018
Letter accompanying subsequently filed items
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Nov 28, 2018
Jul 23, 2018
Annex to the communication
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Jul 23, 2018
Communication from the Examining Division
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Jul 16, 2018
Examination started
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Jul 18, 2017
(Electronic) Receipt
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Jul 18, 2017
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Amended claims with annotations
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Jul 18, 2017
Amendments received before examination
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Jul 18, 2017
Letter accompanying subsequently filed items
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Mar 30, 2017
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Communication to designated inventor
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Feb 1, 2017
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Communication to designated inventor
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Jan 5, 2017
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Jan 5, 2017
Abstract
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Jan 5, 2017
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Amended description with annotations
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Jan 5, 2017
Claims
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Jan 5, 2017
Converted Sequence Listing
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Jan 5, 2017
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Request for entry into the European phase
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Nov 4, 2016
Information on entry into European phase
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Apr 14, 2016
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Notification of the recording of a change
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Jan 19, 2016
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Dec 30, 2015
Copy of the international search report
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Dec 30, 2015
Published international application - A1
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Nov 23, 2015
Nov 2, 2015
ISR: cited documents
PCTISA
Nov 2, 2015
ISR: cover sheet
PCTISA
Oct 30, 2015
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Sequence listing
PCTISA
Oct 14, 2015
Oct 14, 2015
Oct 13, 2015
Sep 21, 2015
Annex
PCTISA
Sep 21, 2015
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Sep 15, 2015
Annex
PCTISA
Sep 15, 2015
Aug 7, 2015
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Jun 26, 2015
Abstract
PCTISA
Jun 26, 2015
Annex
PCTISA
Jun 26, 2015
Claims
PCTISA
Jun 26, 2015
Description
PCTISA
Jun 26, 2015
Drawings
PCTISA