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The patent EP2760994 was granted to Bluebird BIO on Sep 15, 2021. The application was filed on Sep 28, 2012 under application number EP12836507A. 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 |
|---|---|---|---|
| SAGITTARIUS | Feb 28, 2018 | HGF | ADMISSIBLE |
| MULLER FOTTNER STEINECKE RECHTSANWALTS UND PATENTANWALTSPARTNERSCHAFT MBB | Feb 27, 2018 | WITTHOFF JAEKEL STEINECKE PATENTANWALTE PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006247214 |
| DESCRIPTION | US4873192 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5399363 |
| DESCRIPTION | US5466468 |
| DESCRIPTION | US5543158 |
| DESCRIPTION | US5641515 |
| DESCRIPTION | US5725871 |
| DESCRIPTION | US5756353 |
| DESCRIPTION | US5780045 |
| DESCRIPTION | US5804212 |
| DESCRIPTION | US5861488 |
| DESCRIPTION | US5864029 |
| DESCRIPTION | US5869039 |
| DESCRIPTION | US5877288 |
| DESCRIPTION | US5994136 |
| DESCRIPTION | US6013516 |
| DESCRIPTION | US6013769 |
| DESCRIPTION | US6051402 |
| DESCRIPTION | US6057117 |
| DESCRIPTION | US6608063 |
| DESCRIPTION | US6610719 |
| DESCRIPTION | US6670323 |
| DESCRIPTION | US6682907 |
| DESCRIPTION | US6747037 |
| DESCRIPTION | US7901671 |
| DESCRIPTION | WO0038663 |
| DESCRIPTION | WO0112596 |
| DESCRIPTION | WO02088346 |
| DESCRIPTION | WO2006047476 |
| DESCRIPTION | WO2007071456 |
| DESCRIPTION | WO2007112084 |
| DESCRIPTION | WO2008108741 |
| DESCRIPTION | WO2008126932 |
| DESCRIPTION | WO2010108028 |
| INTERNATIONAL-SEARCH-REPORT | US2009092589 |
| INTERNATIONAL-SEARCH-REPORT | WO2010054271 |
| OPPOSITION | WO2004098531 |
| OPPOSITION | WO2007112084 |
| OPPOSITION | WO2010054271 |
| OPPOSITION | WO2013049615 |
| OPPOSITION | WO9800541 |
| SEARCH | WO2004098531 |
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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Aug 19, 2021
Aug 19, 2021
Aug 13, 2021
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Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
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Refund of fees
Appeal
May 12, 2021
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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Appeal
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Notice of appeal
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Letter which had not been notified
Search/Exam
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Letter accompanying subsequently filed items
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May 9, 2017
Request for correction of the publication
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May 8, 2017
Decision to grant a European patent
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Apr 28, 2017
(Electronic) Receipt
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Apr 28, 2017
Letter accompanying subsequently filed items
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Apr 28, 2017
Request for correction of the publication
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Apr 21, 2017
(Electronic) Receipt
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Apr 21, 2017
Filing of the translations of the claims
Search/Exam
Apr 21, 2017
French translation of claims
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Apr 21, 2017
German translation of the claims
Search/Exam
Apr 21, 2017
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
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May 2, 2016
Communication from the Examining Division
Search/Exam
Apr 25, 2016
Examination started
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Sep 7, 2015
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Sep 7, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2015
Feb 5, 2015
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European search opinion
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Feb 5, 2015
Supplementary European search report
Search/Exam
Jan 21, 2015
Search started
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May 21, 2014
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Communication to designated inventor
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May 9, 2014
Communication to designated inventor
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(Electronic) Receipt
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Apr 28, 2014
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Amended claims with annotations
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Apr 28, 2014
Amendments received before examination
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Apr 28, 2014
Converted Sequence Listing
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Apr 28, 2014
Request for entry into the European phase
Search/Exam
Apr 14, 2014
Feb 7, 2014
Information on entry into European phase
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Apr 23, 2013
Apr 4, 2013
Converted Sequence Listing
Search/Exam
Apr 4, 2013
Copy of the international search report
Search/Exam
Apr 4, 2013
Published international application - A1
Search/Exam