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The patent EP3105331 was granted to Alnylam Pharmaceuticals on Jun 23, 2021. The application was filed on Feb 11, 2015 under application number EP15705888A. 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 |
|---|---|---|---|
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Mar 23, 2022 | GRUNECKER PATENT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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| DESCRIPTION | WO2012US65691 |
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| DESCRIPTION | US5610300 |
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| DESCRIPTION | US5681941 |
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| DESCRIPTION | US5705188 |
| DESCRIPTION | US5714331 |
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| DESCRIPTION | WO0003683 |
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| EXAMINATION | EP1752536 |
| INTERNATIONAL-SEARCH-REPORT | WO2012019188 |
| OPPOSITION | EP1752536 |
| OPPOSITION | US2005032733 |
| OPPOSITION | US2005255487 |
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| OPPOSITION | WO2005089224 |
| OPPOSITION | WO2012019188 |
| OPPOSITION | WO2015123264 |
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 28, 2021
Decision to grant a European patent
Search/Exam
May 19, 2021
Decision to allow further processing
Search/Exam
May 12, 2021
(Electronic) Receipt
Search/Exam
May 12, 2021
Letter accompanying subsequently filed items
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May 12, 2021
Request for further processing
Search/Exam
Mar 19, 2021
Oct 20, 2020
Oct 20, 2020
Oct 20, 2020
Intention to grant (signatures)
Search/Exam
Oct 20, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 20, 2020
Text intended for grant (sequence listing)
Search/Exam
Oct 20, 2020
Oct 2, 2020
Oct 2, 2020
Decision to allow further processing
Search/Exam
Sep 4, 2020
Aug 31, 2020
(Electronic) Receipt
Search/Exam
Aug 31, 2020
Claims
Search/Exam
Aug 31, 2020
French translation of claims
Search/Exam
Aug 31, 2020
German translation of the claims
Search/Exam
Aug 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2020
Jun 22, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Intention to grant (signatures)
Search/Exam
Jan 10, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2020
Text intended for grant (sequence listing)
Search/Exam
Jan 10, 2020
Nov 13, 2019
Decision to allow further processing
Search/Exam
Oct 31, 2019
(Electronic) Receipt
Search/Exam
Oct 31, 2019
Amended description with annotations
Search/Exam
Oct 31, 2019
Description
Search/Exam
Oct 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2019
Request for further processing
Search/Exam
Aug 22, 2019
May 13, 2019
May 6, 2019
Mar 13, 2019
Mar 4, 2019
Jan 7, 2019
Annex to the communication
Search/Exam
Jan 7, 2019
Communication from the Examining Division
Search/Exam
Aug 22, 2018
Decision to allow further processing
Search/Exam
Aug 10, 2018
(Electronic) Receipt
Search/Exam
Aug 10, 2018
Amended claims with annotations
Search/Exam
Aug 10, 2018
Claims
Search/Exam
Aug 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2018
Request for further processing
Search/Exam
Jun 4, 2018
Feb 19, 2018
Feb 9, 2018
Oct 27, 2017
Annex to the communication
Search/Exam
Oct 27, 2017
Communication from the Examining Division
Search/Exam
Oct 23, 2017
Examination started
Search/Exam
Aug 1, 2017
Decision to allow further processing
Search/Exam
Jul 19, 2017
Jul 19, 2017
Amended claims with annotations
Search/Exam
Jul 19, 2017
Amendments received before examination
Search/Exam
Jul 19, 2017
Payment of fees and costs
Search/Exam
May 10, 2017
May 10, 2017
Claim deemed abandoned
Search/Exam
Nov 23, 2016
Sep 22, 2016
Sep 20, 2016
Communication to designated inventor
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Sep 20, 2016
Communication to designated inventor
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Aug 31, 2016
(Electronic) Receipt
Search/Exam
Aug 31, 2016
Request for entry into the European phase
Search/Exam
Aug 30, 2016
Jun 24, 2016
Information on entry into European phase
Search/Exam
Sep 8, 2015
Aug 20, 2015
Converted Sequence Listing
Search/Exam
Aug 20, 2015
Copy of the international search report
Search/Exam
Aug 20, 2015
Published international application - A1
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Jul 31, 2015
Jul 31, 2015
Jul 31, 2015
Apr 22, 2015
Feb 23, 2015
Abstract
PCTISA
Feb 23, 2015
Annex
PCTISA
Feb 23, 2015
Claims
PCTISA
Feb 23, 2015
Description
PCTISA
Feb 23, 2015
Drawings
PCTISA