The weekly litigation news digest is live. Subscribe now
The patent EP3134095 was granted to Bluebird BIO on Apr 22, 2020. The application was filed on Apr 24, 2015 under application number EP15783117A. 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 |
|---|---|---|---|
| BOULT WADE TENNANT | Jan 22, 2021 | BOULT WADE TENNANT | ADMISSIBLE |
| GLAXOSMITHKLINE | Jan 21, 2021 | CHIAPPINELLI | WITHDRAWN |
| DEHNS | Jan 19, 2021 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US7754482 |
| INTERNATIONAL-SEARCH-REPORT | US7977095 |
| OPPOSITION | US2008274091 |
| OPPOSITION | US2012301447 |
| OPPOSITION | US2013280220 |
| OPPOSITION | WO2012079000 |
| OPPOSITION | WO2013126712 |
| OPPOSITION | WO2014048920 |
| OPPOSITION | WO2014099671 |
| SEARCH | WO2012140130 |
| SEARCH | WO2013126712 |
| SEARCH | WO2014039523 |
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
Get instant alerts for new documents
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
May 30, 2025
May 30, 2025
May 29, 2025
(Electronic) Receipt
Appeal
May 29, 2025
May 29, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Sep 23, 2024
Sep 23, 2024
Jul 16, 2024
Jul 16, 2024
Jul 15, 2024
Jul 15, 2024
Jul 10, 2024
(Electronic) Receipt
Appeal
Jul 10, 2024
(Electronic) Receipt
Appeal
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
May 28, 2024
May 23, 2024
(Electronic) Receipt
Appeal
May 23, 2024
May 23, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 11, 2024
Apr 11, 2024
Apr 11, 2024
Apr 11, 2024
Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Nov 29, 2023
Nov 29, 2023
Nov 29, 2023
Nov 23, 2023
(Electronic) Receipt
Appeal
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Reply to appeal
Appeal
Sep 1, 2023
Aug 29, 2023
Jul 14, 2023
Jul 14, 2023
Jul 10, 2023
(Electronic) Receipt
Appeal
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 10, 2023
(Electronic) Receipt
Appeal
May 10, 2023
May 10, 2023
Notice of appeal
Appeal
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Means of redress
OPPO
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Jan 30, 2023
Jan 27, 2023
Jan 25, 2023
Jan 25, 2023
Jan 25, 2023
Jan 25, 2023
Jan 17, 2023
Jan 17, 2023
Jan 17, 2023
Jan 12, 2023
Jan 12, 2023
Jan 12, 2023
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 25, 2022
Nov 25, 2022
Nov 25, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 1, 2022
Aug 1, 2022
Aug 1, 2022
Jul 18, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jul 5, 2022
Jan 20, 2022
Jan 6, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Sep 30, 2021
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Jun 11, 2021
Jun 11, 2021
Jun 11, 2021
Jun 11, 2021
Jun 4, 2021
Jun 4, 2021
Jun 4, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Jan 28, 2021
Jan 26, 2021
Jan 25, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Sep 18, 2020
May 6, 2020
Mar 28, 2020
Payment submission rejected
Search/Exam
Mar 26, 2020
Decision to grant a European patent
Search/Exam
Mar 11, 2020
Mar 11, 2020
Mar 11, 2020
Intention to grant (signatures)
Search/Exam
Mar 11, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 11, 2020
Text intended for grant (sequence listing)
Search/Exam
Mar 11, 2020
Dec 23, 2019
Dec 3, 2019
(Electronic) Receipt
Search/Exam
Dec 3, 2019
Amended claims with annotations
Search/Exam
Dec 3, 2019
Claims
Search/Exam
Dec 3, 2019
French translation of claims
Search/Exam
Dec 3, 2019
German translation of the claims
Search/Exam
Dec 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 3, 2019
Jul 31, 2019
Jul 31, 2019
Jul 31, 2019
Intention to grant (signatures)
Search/Exam
Jul 31, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 31, 2019
Text intended for grant (sequence listing)
Search/Exam
Jul 31, 2019
Mar 12, 2019
(Electronic) Receipt
Search/Exam
Mar 12, 2019
Amended claims with annotations
Search/Exam
Mar 12, 2019
Amended description with annotations
Search/Exam
Mar 12, 2019
Claims
Search/Exam
Mar 12, 2019
Description
Search/Exam
Mar 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2019
Jan 10, 2019
Annex to the communication
Search/Exam
Jan 10, 2019
Communication from the Examining Division
Search/Exam
Nov 20, 2018
Decision to allow further processing
Search/Exam
Nov 5, 2018
(Electronic) Receipt
Search/Exam
Nov 5, 2018
Amended claims with annotations
Search/Exam
Nov 5, 2018
Claims
Search/Exam
Nov 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2018
Request for further processing
Search/Exam
Aug 28, 2018
Aug 21, 2018
(Electronic) Receipt
Search/Exam
Aug 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2018
Apr 13, 2018
Annex to the communication
Search/Exam
Apr 13, 2018
Communication from the Examining Division
Search/Exam
Mar 23, 2018
Examination started
Search/Exam
Mar 7, 2018
(Electronic) Receipt
Search/Exam
Mar 7, 2018
Mar 7, 2018
Amended claims with annotations
Search/Exam
Mar 7, 2018
Amendments received before examination
Search/Exam
Mar 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2018
Mar 7, 2018
Sep 8, 2017
Aug 22, 2017
Aug 22, 2017
European search opinion
Search/Exam
Aug 22, 2017
Information on Search Strategy
Search/Exam
Aug 22, 2017
Supplementary European search report
Search/Exam
Aug 4, 2017
Search started
Search/Exam
Apr 19, 2017
Apr 6, 2017
Apr 3, 2017
Mar 28, 2017
Feb 16, 2017
(Electronic) Receipt
Search/Exam
Feb 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2017
Letter concerning the inventor
Search/Exam
Feb 9, 2017
Feb 2, 2017
Letter which had not been notified
Search/Exam
Feb 1, 2017
(Electronic) Receipt
Search/Exam
Feb 1, 2017
Feb 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2017
Letter concerning the inventor
Search/Exam
Feb 1, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2017
Letter concerning the inventor
Search/Exam
Jan 25, 2017
Jan 24, 2017
Letter which had not been notified
Search/Exam
Jan 2, 2017
Letter which had not been notified
Search/Exam
Dec 2, 2016
Nov 30, 2016
Communication to designated inventor
Search/Exam
Nov 30, 2016
Communication to designated inventor
Search/Exam
Nov 30, 2016
Communication to designated inventor
Search/Exam
Nov 14, 2016
(Electronic) Receipt
Search/Exam
Nov 14, 2016
Nov 14, 2016
Converted Sequence Listing
Search/Exam
Nov 14, 2016
Request for entry into the European phase
Search/Exam
Nov 7, 2016
Sep 2, 2016
Information on entry into European phase
Search/Exam
Nov 16, 2015
Oct 29, 2015
Converted Sequence Listing
Search/Exam
Oct 29, 2015
Copy of the international search report
Search/Exam
Oct 29, 2015
Oct 29, 2015
Published international application - A1
Search/Exam