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The patent EP2301961 was granted to Amgen on Dec 13, 2023. The application was filed on Apr 28, 2006 under application number EP10014373A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| JAMES POOLE | Nov 22, 2017 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20030478977 |
| DESCRIPTION | US20040868497 |
| DESCRIPTION | US2004009535 |
| DESCRIPTION | US2004146888 |
| DESCRIPTION | US2005106683 |
| DESCRIPTION | US2005238646 |
| DESCRIPTION | US4179337 |
| DESCRIPTION | US4301144 |
| DESCRIPTION | US4331647 |
| DESCRIPTION | US4411993 |
| DESCRIPTION | US4464456 |
| DESCRIPTION | US4496689 |
| DESCRIPTION | US4543439 |
| DESCRIPTION | US4640835 |
| DESCRIPTION | US4670417 |
| DESCRIPTION | US4791192 |
| DESCRIPTION | US4902614 |
| DESCRIPTION | US5145684 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5399363 |
| DESCRIPTION | US5466468 |
| DESCRIPTION | US5543158 |
| DESCRIPTION | US5552157 |
| DESCRIPTION | US5565213 |
| DESCRIPTION | US5567434 |
| DESCRIPTION | US5627052 |
| DESCRIPTION | US5641515 |
| DESCRIPTION | US5698426 |
| DESCRIPTION | US5738868 |
| DESCRIPTION | US5795587 |
| DESCRIPTION | US5877397 |
| DESCRIPTION | US6133426 |
| DESCRIPTION | US6395511 |
| DESCRIPTION | US6703199 |
| DESCRIPTION | US6803453 |
| DESCRIPTION | USRE32011E |
| DESCRIPTION | WO9202551 |
| OPPOSITION | WO0032773 |
| OPPOSITION | WO2005003158 |
| OPPOSITION | WO2005014650 |
| SEARCH | WO2005003158 |
| SEARCH | WO2005014650 |
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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Nov 10, 2023
Nov 10, 2023
Sep 29, 2023
Sep 29, 2023
Description
OPPO
Sep 29, 2023
Sep 29, 2023
Jun 15, 2023
Jun 15, 2023
Jun 9, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 15, 2023
Feb 15, 2023
Refund of fees
Appeal
Feb 8, 2023
Feb 8, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 3, 2023
(Electronic) Receipt
Appeal
Feb 3, 2023
Feb 3, 2023
Feb 3, 2023
Withdrawal of an appeal
Appeal
Jan 10, 2023
Jan 9, 2023
(Electronic) Receipt
Appeal
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Dec 14, 2022
(Electronic) Receipt
Appeal
Dec 14, 2022
Dec 14, 2022
Dec 14, 2022
Aug 25, 2022
(Electronic) Receipt
Appeal
Aug 25, 2022
Aug 25, 2022
Aug 25, 2022
Aug 25, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
May 30, 2022
May 18, 2022
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Mar 30, 2022
(Electronic) Receipt
Appeal
Mar 30, 2022
Mar 30, 2022
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Aug 5, 2021
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Sep 18, 2020
(Electronic) Receipt
Appeal
Sep 18, 2020
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Claims
Appeal
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Reply to appeal
Appeal
Aug 6, 2020
Jul 30, 2020
(Electronic) Receipt
Appeal
Jul 30, 2020
Jul 30, 2020
Jul 24, 2020
Advice of delivery
Appeal
Jul 16, 2020
Jul 16, 2020
May 20, 2020
May 11, 2020
May 1, 2020
(Electronic) Receipt
Appeal
May 1, 2020
May 1, 2020
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Feb 14, 2020
(Electronic) Receipt
Appeal
Feb 14, 2020
Feb 14, 2020
Notice of appeal
Appeal
Dec 19, 2019
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Means of redress
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Claims
OPPO
Apr 30, 2018
Claims
OPPO
Apr 30, 2018
Claims
OPPO
Apr 30, 2018
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Jan 26, 2017
Decision to grant a European patent
Search/Exam
Jan 11, 2017
Jan 11, 2017
Jan 11, 2017
Intention to grant (signatures)
Search/Exam
Jan 11, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 11, 2017
Text intended for grant (sequence listing)
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Jan 11, 2017
Dec 1, 2016
Nov 18, 2016
(Electronic) Receipt
Search/Exam
Nov 18, 2016
French translation of claims
Search/Exam
Nov 18, 2016
German translation of the claims
Search/Exam
Nov 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2016
Nov 18, 2016
Sequence listing
Search/Exam
Oct 28, 2016
(Electronic) Receipt
Search/Exam
Oct 28, 2016
Oct 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2016
Oct 28, 2016
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Sep 13, 2016
(Electronic) Receipt
Search/Exam
Sep 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2016
Sep 13, 2016
Jul 20, 2016
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Intention to grant (signatures)
Search/Exam
Jul 20, 2016
Text intended for grant (clean copy)
Search/Exam
Jul 20, 2016
Text intended for grant (sequence listing)
Search/Exam
Jul 20, 2016
May 27, 2016
Annex to the communication
Search/Exam
May 27, 2016
Consultation by telephone/in person
Search/Exam
May 27, 2016
Apr 20, 2016
(Electronic) Receipt
Search/Exam
Apr 20, 2016
Amended claims with annotations
Search/Exam
Apr 20, 2016
Claims
Search/Exam
Apr 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2016
Jan 15, 2016
(Electronic) Receipt
Search/Exam
Jan 15, 2016
Amended claims with annotations
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Jan 15, 2016
Amended description with annotations
Search/Exam
Jan 15, 2016
Claims
Search/Exam
Jan 15, 2016
Description
Search/Exam
Jan 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2016
Nov 17, 2015
Nov 11, 2015
(Electronic) Receipt
Search/Exam
Nov 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2015
Jul 15, 2015
Annex to the communication
Search/Exam
Jul 15, 2015
Communication from the Examining Division
Search/Exam
Feb 16, 2015
(Electronic) Receipt
Search/Exam
Feb 16, 2015
Amended claims with annotations
Search/Exam
Feb 16, 2015
Annex
Search/Exam
Feb 16, 2015
Claims
Search/Exam
Feb 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2015
Dec 18, 2014
Dec 12, 2014
(Electronic) Receipt
Search/Exam
Dec 12, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2014
Aug 5, 2014
Annex to the communication
Search/Exam
Aug 5, 2014
Communication from the Examining Division
Search/Exam
Mar 14, 2012
Mar 12, 2012
Submission concerning representation
Search/Exam
Jan 25, 2012
Decision to allow further processing
Search/Exam
Jan 17, 2012
(Electronic) Receipt
Search/Exam
Jan 17, 2012
Jan 17, 2012
Amended claims with annotations
Search/Exam
Jan 17, 2012
Annex
Search/Exam
Jan 17, 2012
Drawings
Search/Exam
Jan 17, 2012
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2012
Request for further processing
Search/Exam
Jan 17, 2012
Sequence listing
Search/Exam
Nov 7, 2011
Sep 14, 2011
(Electronic) Receipt
Search/Exam
Sep 14, 2011
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2011
Letter concerning fees and payments
Search/Exam
Apr 4, 2011
Mar 9, 2011
Refund of fees
Search/Exam
Mar 2, 2011
Notification of forthcoming publication
Search/Exam
Feb 24, 2011
Feb 24, 2011
European search opinion
Search/Exam
Feb 24, 2011
European search report
Search/Exam
Feb 3, 2011
Letter concerning fees and payments
Search/Exam
Feb 3, 2011
Request for grant of a European patent
Search/Exam
Nov 16, 2010
Nov 8, 2010
Abstract
Search/Exam
Nov 8, 2010
Annex
Search/Exam
Nov 8, 2010
Claims
Search/Exam
Nov 8, 2010
Description
Search/Exam
Nov 8, 2010
Designation of inventor
Search/Exam
Nov 8, 2010
Drawings
Search/Exam
Nov 8, 2010
Letter concerning search matters
Search/Exam
Nov 8, 2010
Letter concerning search matters
Search/Exam
Nov 8, 2010
Matter concerning the application
Search/Exam
Nov 8, 2010
Nov 8, 2010
Nov 8, 2010
Sequence listing
Search/Exam
Mar 3, 2008
Nov 27, 2006
Nov 27, 2006
Nov 27, 2006
Nov 27, 2006