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The patent EP3597216 was granted to E R Squibb & Sons on Aug 24, 2022. The application was filed on Aug 11, 2009 under application number EP19186310A. 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 |
|---|---|---|---|
| APPLEYARD LEES | May 24, 2023 | APPLEYARD LEES | ADMISSIBLE |
| STRAWMAN | May 24, 2023 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
| REGENERON PHARMACEUTICALS | May 23, 2023 | HOFFMANN EITLE | ADMISSIBLE |
| KRAUS & LEDERER PARTGMBB | May 19, 2023 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
| MERCK SHARP & DOHME | Apr 27, 2023 | ABITZ & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0154316 |
| DESCRIPTION | EP0338841 |
| DESCRIPTION | EP0401384 |
| DESCRIPTION | EP1176195 |
| DESCRIPTION | US153043 |
| DESCRIPTION | US2002199213 |
| DESCRIPTION | US2004110704 |
| DESCRIPTION | US2005153394 |
| DESCRIPTION | US2006004081 |
| DESCRIPTION | US2006024317 |
| DESCRIPTION | US2006247295 |
| DESCRIPTION | US4399216 |
| DESCRIPTION | US4439196 |
| DESCRIPTION | US4447224 |
| DESCRIPTION | US4447233 |
| DESCRIPTION | US4475196 |
| DESCRIPTION | US4486194 |
| DESCRIPTION | US4487603 |
| DESCRIPTION | US4522811 |
| DESCRIPTION | US4596556 |
| DESCRIPTION | US4634665 |
| DESCRIPTION | US4790824 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US4941880 |
| DESCRIPTION | US5064413 |
| DESCRIPTION | US5179017 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5225539 |
| DESCRIPTION | US5312335 |
| DESCRIPTION | US5374548 |
| DESCRIPTION | US5383851 |
| DESCRIPTION | US5399163 |
| DESCRIPTION | US5399331 |
| DESCRIPTION | US5403484 |
| DESCRIPTION | US5416016 |
| DESCRIPTION | US5427908 |
| DESCRIPTION | US5476996 |
| DESCRIPTION | US5530101 |
| DESCRIPTION | US5545806 |
| DESCRIPTION | US5545807 |
| DESCRIPTION | US5569825 |
| DESCRIPTION | US5571698 |
| DESCRIPTION | US5580717 |
| DESCRIPTION | US5585089 |
| DESCRIPTION | US5624821 |
| DESCRIPTION | US5625126 |
| DESCRIPTION | US5633425 |
| DESCRIPTION | US5648260 |
| DESCRIPTION | US5661016 |
| DESCRIPTION | US5677425 |
| DESCRIPTION | US5693762 |
| DESCRIPTION | US5698767 |
| DESCRIPTION | US5714350 |
| DESCRIPTION | US5760185 |
| DESCRIPTION | US5762905 |
| DESCRIPTION | US5770429 |
| DESCRIPTION | US5789650 |
| DESCRIPTION | US5811097 |
| DESCRIPTION | US5814318 |
| DESCRIPTION | US5833943 |
| DESCRIPTION | US5837243 |
| DESCRIPTION | US5869046 |
| DESCRIPTION | US5874299 |
| DESCRIPTION | US5877397 |
| DESCRIPTION | US5885793 |
| DESCRIPTION | US5922845 |
| DESCRIPTION | US5939598 |
| DESCRIPTION | US5969108 |
| DESCRIPTION | US6075181 |
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| DESCRIPTION | US6114598 |
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| DESCRIPTION | US6150584 |
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| DESCRIPTION | US6162963 |
| DESCRIPTION | US6165745 |
| DESCRIPTION | US6172197 |
| DESCRIPTION | US6180370 |
| DESCRIPTION | US6194551 |
| DESCRIPTION | US6207156 |
| DESCRIPTION | US6277375 |
| DESCRIPTION | US6350861 |
| DESCRIPTION | US6521404 |
| DESCRIPTION | US6544731 |
| DESCRIPTION | US6555313 |
| DESCRIPTION | US6582915 |
| DESCRIPTION | US6593081 |
| DESCRIPTION | US6794132 |
| DESCRIPTION | US6818216 |
| DESCRIPTION | US6827925 |
| DESCRIPTION | US6914128 |
| DESCRIPTION | US6951646 |
| DESCRIPTION | US6989452 |
| DESCRIPTION | US7087600 |
| DESCRIPTION | US7129261 |
| DESCRIPTION | WO0037504 |
| DESCRIPTION | WO0042072 |
| DESCRIPTION | WO0109187 |
| DESCRIPTION | WO0114424 |
| DESCRIPTION | WO02092780 |
| DESCRIPTION | WO02092812 |
| DESCRIPTION | WO02096910 |
| DESCRIPTION | WO0243478 |
| DESCRIPTION | WO03035835 |
| DESCRIPTION | WO03074679 |
| DESCRIPTION | WO2006089231 |
| DESCRIPTION | WO2006121168 |
| DESCRIPTION | WO2007005874 |
| DESCRIPTION | WO2007038658 |
| DESCRIPTION | WO2007051081 |
| DESCRIPTION | WO2007059404 |
| DESCRIPTION | WO2008083312 |
| DESCRIPTION | WO2008103693 |
| DESCRIPTION | WO2009045957 |
| DESCRIPTION | WO2009054863 |
| DESCRIPTION | WO2009073533 |
| DESCRIPTION | WO2009073546 |
| DESCRIPTION | WO8704462 |
| DESCRIPTION | WO8901036 |
| DESCRIPTION | WO9203918 |
| DESCRIPTION | WO9312227 |
| DESCRIPTION | WO9425585 |
| DESCRIPTION | WO9429351 |
| DESCRIPTION | WO9713852 |
| DESCRIPTION | WO9824884 |
| DESCRIPTION | WO9842752 |
| DESCRIPTION | WO9945962 |
| DESCRIPTION | WO9954342 |
| OPPOSITION | EP0758383 |
| OPPOSITION | EP2905030 |
| OPPOSITION | EP3597216 |
| OPPOSITION | US2006240024 |
| OPPOSITION | WO2006121168 |
| OPPOSITION | WO2007005874 |
| OPPOSITION | WO2010019570 |
| OPPOSITION | WO2017037203 |
| OPPOSITION | WO9530750 |
| SEARCH | US6197524 |
| SEARCH | WO9110682 |
| SEARCH | WO9530750 |
| SEARCH | WO9703695 |
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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Sep 6, 2022
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Jul 14, 2022
Filing of the translations of the claims
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Jul 14, 2022
French translation of claims
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German translation of the claims
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Jul 14, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Apr 19, 2022
Text intended for grant (clean copy)
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Apr 19, 2022
Text intended for grant (sequence listing)
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Apr 19, 2022
Mar 22, 2022
Mar 8, 2022
(Electronic) Receipt
Search/Exam
Mar 8, 2022
Enquiry as to the processing of the file
Search/Exam
Mar 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2021
(Electronic) Receipt
Search/Exam
Oct 7, 2021
Amended claims with annotations
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Oct 7, 2021
Amended description with annotations
Search/Exam
Oct 7, 2021
Claims
Search/Exam
Oct 7, 2021
Description
Search/Exam
Oct 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2021
Oct 4, 2021
Annex to the communication
Search/Exam
Oct 4, 2021
Oct 4, 2021
Sep 28, 2021
Examination started
Search/Exam
Jul 22, 2020
(Electronic) Receipt
Search/Exam
Jul 22, 2020
Letter accompanying subsequently filed items
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Jul 22, 2020
Reply to Written Opinion prepared by the EPO
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Jul 7, 2020
Letter which had not been notified
Search/Exam
Mar 19, 2020
Document concerning representation
Search/Exam
Mar 6, 2020
Communication to designated inventor
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Mar 5, 2020
Change to the inventor details
Search/Exam
Feb 26, 2020
(Electronic) Receipt
Search/Exam
Feb 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2020
Letter concerning the inventor
Search/Exam
Feb 5, 2020
Jan 27, 2020
Jan 27, 2020
Jan 7, 2020
Notification of forthcoming publication
Search/Exam
Jan 7, 2020
Refund of fees
Search/Exam
Jan 3, 2020
Jan 3, 2020
European search opinion
Search/Exam
Jan 3, 2020
European search report
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Jan 3, 2020
Information on Search Strategy
Search/Exam
Dec 9, 2019
Search started
Search/Exam
Oct 14, 2019
Oct 7, 2019
Letter which had not been notified
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 6, 2019
Communication to designated inventor
Search/Exam
Sep 4, 2019
(Electronic) Receipt
Search/Exam
Sep 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2019
Letter concerning fees and payments
Search/Exam
Aug 30, 2019
Invitation to pay claims fees
Search/Exam
Jul 15, 2019
Abstract
Search/Exam
Jul 15, 2019
Jul 15, 2019
Claims
Search/Exam
Jul 15, 2019
Converted Sequence Listing
Search/Exam
Jul 15, 2019
Description
Search/Exam
Jul 15, 2019
Designation of inventor
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Jul 15, 2019
Drawings
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Jul 15, 2019
Mar 10, 2010