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The patent EP2841561 was granted to F Hoffmann LA Roche on Jan 16, 2019. The application was filed on Apr 24, 2013 under application number EP13720203A. 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 |
|---|---|---|---|
| BREUER | Oct 16, 2019 | BREUER | ADMISSIBLE |
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Oct 16, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0117058 |
| DESCRIPTION | EP0117060 |
| DESCRIPTION | EP0307247 |
| DESCRIPTION | EP0404097 |
| DESCRIPTION | US2003087372 |
| DESCRIPTION | US2005260186 |
| DESCRIPTION | US2006104968 |
| DESCRIPTION | US2011039330 |
| DESCRIPTION | US4399216 |
| DESCRIPTION | US4560655 |
| DESCRIPTION | US4657866 |
| DESCRIPTION | US4767704 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US4927762 |
| DESCRIPTION | US5091178 |
| DESCRIPTION | US5122469 |
| DESCRIPTION | US5691202 |
| DESCRIPTION | US6048728 |
| DESCRIPTION | US6171586 |
| DESCRIPTION | US6180401 |
| DESCRIPTION | US6267958 |
| DESCRIPTION | US6900056 |
| DESCRIPTION | US7601535 |
| DESCRIPTION | USRE30985E |
| DESCRIPTION | WO2006044908 |
| DESCRIPTION | WO8700195 |
| DESCRIPTION | WO9003430 |
| DESCRIPTION | WO9108291 |
| DESCRIPTION | WO9311161 |
| EXAMINATION | EP0591605 |
| INTERNATIONAL-SEARCH-REPORT | WO2006026445 |
| INTERNATIONAL-SEARCH-REPORT | WO2006050050 |
| INTERNATIONAL-SEARCH-REPORT | WO2009014272 |
| INTERNATIONAL-SEARCH-REPORT | WO2009129379 |
| INTERNATIONAL-SEARCH-REPORT | WO2010036767 |
| INTERNATIONAL-SEARCH-REPORT | WO9815614 |
| OPPOSITION | EP0076647 |
| OPPOSITION | EP0591605 |
| OPPOSITION | US2004142382 |
| OPPOSITION | US2006051347 |
| OPPOSITION | US4816401 |
| OPPOSITION | WO02066603 |
| OPPOSITION | WO2006026445 |
| OPPOSITION | WO2006050050 |
| OPPOSITION | WO2008071394 |
| OPPOSITION | WO2011134920 |
| OPPOSITION | WO9815614 |
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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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Claims
Appeal
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Claims
Appeal
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Reply to appeal
Appeal
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Jul 26, 2021
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Document concerning representation
Search/Exam
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Jan 28, 2019
Dec 20, 2018
Decision to grant a European patent
Search/Exam
Nov 30, 2018
(Electronic) Receipt
Search/Exam
Nov 30, 2018
Filing of the translations of the claims
Search/Exam
Nov 30, 2018
French translation of claims
Search/Exam
Nov 30, 2018
German translation of the claims
Search/Exam
Nov 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2018
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Intention to grant (signatures)
Search/Exam
Oct 24, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 24, 2018
Jun 27, 2018
(Electronic) Receipt
Search/Exam
Jun 27, 2018
Amended description with annotations
Search/Exam
Jun 27, 2018
Description
Search/Exam
Jun 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2018
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Search/Exam
Jun 8, 2018
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(Electronic) Receipt
Search/Exam
Mar 20, 2018
Amended claims with annotations
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Mar 20, 2018
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Search/Exam
Mar 20, 2018
Claims
Search/Exam
Mar 20, 2018
Description
Search/Exam
Mar 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2018
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Annex to the communication
Search/Exam
Jan 5, 2018
Communication from the Examining Division
Search/Exam
Oct 5, 2017
(Electronic) Receipt
Search/Exam
Oct 5, 2017
Amended claims with annotations
Search/Exam
Oct 5, 2017
Claims
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Oct 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2017
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Annex to the communication
Search/Exam
Jun 7, 2017
Communication from the Examining Division
Search/Exam
Jan 25, 2017
(Electronic) Receipt
Search/Exam
Jan 25, 2017
Amended claims with annotations
Search/Exam
Jan 25, 2017
Claims
Search/Exam
Jan 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2017
Sep 16, 2016
Annex to the communication
Search/Exam
Sep 16, 2016
Communication from the Examining Division
Search/Exam
Jun 28, 2016
(Electronic) Receipt
Search/Exam
Jun 28, 2016
Amended claims with annotations
Search/Exam
Jun 28, 2016
Claims
Search/Exam
Jun 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2016
Matter concerning the application
Search/Exam
Apr 18, 2016
Annex to the communication
Search/Exam
Apr 18, 2016
Mar 24, 2016
(Electronic) Receipt
Search/Exam
Mar 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2016
Jan 12, 2016
Jan 7, 2016
(Electronic) Receipt
Search/Exam
Jan 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2016
Sep 23, 2015
Annex to the communication
Search/Exam
Sep 23, 2015
Communication from the Examining Division
Search/Exam
Sep 17, 2015
Examination started
Search/Exam
Jun 2, 2015
(Electronic) Receipt
Search/Exam
Jun 2, 2015
Jun 2, 2015
Amended claims with annotations
Search/Exam
Jun 2, 2015
Amendments received before examination
Search/Exam
Jun 2, 2015
Letter accompanying subsequently filed items
Search/Exam
May 8, 2015
Apr 29, 2015
Letter which had not been notified
Search/Exam
Feb 6, 2015
Feb 4, 2015
Jan 2, 2015
Letter which had not been notified
Search/Exam
Dec 9, 2014
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
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Dec 2, 2014
Communication to designated inventor
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Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
Search/Exam
Dec 2, 2014
Communication to designated inventor
Search/Exam
Nov 12, 2014
Oct 21, 2014
(Electronic) Receipt
Search/Exam
Oct 21, 2014
Request for entry into the European phase
Search/Exam
Sep 5, 2014
Information on entry into European phase
Search/Exam
Nov 20, 2013
Nov 20, 2013
Nov 20, 2013
Oct 31, 2013
Copy of the international search report
Search/Exam
Oct 31, 2013
Published international application - A1
Search/Exam
Aug 6, 2013
Aug 6, 2013
Aug 6, 2013
May 6, 2013
Abstract
PCTISA
May 6, 2013
Claims
PCTISA
May 6, 2013
Description
PCTISA
May 6, 2013
Drawings
PCTISA