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The patent EP3571290 was granted to Stemcell Canada on Apr 10, 2024. The application was filed on Jan 23, 2018 under application number EP18741389A. 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 |
|---|---|---|---|
| COHAUSZ & FLORACK PATENT UND RECHTSANWALTE PARTNERSCHAFTSGESELLSCHAFT MBB | Dec 19, 2024 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CA2782296 |
| INTERNATIONAL-SEARCH-REPORT | CA2981277 |
| INTERNATIONAL-SEARCH-REPORT | US2010279412 |
| INTERNATIONAL-SEARCH-REPORT | WO2015042356 |
| OPPOSITION | EP2671945 |
| OPPOSITION | EP2826854 |
| OPPOSITION | US2016251615 |
| OPPOSITION | US9562218 |
| OPPOSITION | WO2015042356 |
| OPPOSITION | WO9830679 |
| SEARCH | CA2782296 |
| SEARCH | CA2981277 |
| SEARCH | US2010279412 |
| SEARCH | US9399761 |
| SEARCH | WO2015042356 |
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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Mar 14, 2024
Decision to grant a European patent
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Feb 29, 2024
(Electronic) Receipt
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Feb 29, 2024
Filing of the translations of the claims
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Feb 29, 2024
French translation of claims
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Feb 29, 2024
German translation of the claims
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Oct 31, 2023
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Intention to grant (signatures)
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Oct 31, 2023
Text intended for grant (clean copy)
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Oct 31, 2023
Sep 20, 2023
Sep 18, 2023
(Electronic) Receipt
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Sep 18, 2023
Amended claims with annotations
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Sep 18, 2023
Amended description with annotations
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Sep 18, 2023
Claims
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Sep 18, 2023
Description
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Sep 18, 2023
Letter accompanying subsequently filed items
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Sep 18, 2023
Sep 7, 2023
Annex to the communication
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Sep 7, 2023
Aug 26, 2023
(Electronic) Receipt
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Aug 26, 2023
Amended claims with annotations
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Aug 26, 2023
Amended claims with annotations
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Aug 26, 2023
Amended claims with annotations
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Aug 26, 2023
Amended claims with annotations
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Aug 26, 2023
Claims
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Aug 26, 2023
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Aug 26, 2023
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Aug 26, 2023
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Aug 26, 2023
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Aug 26, 2023
Letter accompanying subsequently filed items
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Aug 26, 2023
Apr 11, 2023
Annex to the communication
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Apr 11, 2023
Summons to attend oral proceedings
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Jan 9, 2023
(Electronic) Receipt
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Jan 9, 2023
Amended claims with annotations
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Jan 9, 2023
Claims
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Jan 9, 2023
Letter accompanying subsequently filed items
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Jan 9, 2023
Aug 30, 2022
Annex to the communication
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Aug 30, 2022
Communication from the Examining Division
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Jun 16, 2022
(Electronic) Receipt
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Jun 16, 2022
Amended claims with annotations
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Jun 16, 2022
Claims
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Jun 16, 2022
Letter accompanying subsequently filed items
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Jun 16, 2022
Feb 8, 2022
Annex to the communication
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Feb 8, 2022
Communication from the Examining Division
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Dec 1, 2021
(Electronic) Receipt
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Dec 1, 2021
Amended claims with annotations
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Dec 1, 2021
Claims
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Dec 1, 2021
Letter accompanying subsequently filed items
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Dec 1, 2021
Nov 10, 2021
Document concerning representation
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Nov 10, 2021
Letter accompanying subsequently filed items
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Jul 22, 2021
Annex to the communication
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Jul 22, 2021
Communication from the Examining Division
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Jul 14, 2021
Examination started
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Apr 22, 2021
(Electronic) Receipt
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Apr 22, 2021
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Amended claims with annotations
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Apr 22, 2021
Amendments received before examination
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Apr 22, 2021
Letter accompanying subsequently filed items
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Oct 15, 2020
Sep 28, 2020
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European search opinion
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Sep 28, 2020
Information on Search Strategy
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Sep 28, 2020
Supplementary European search report
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Sep 14, 2020
Search started
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Jun 4, 2020
May 29, 2020
Mar 6, 2020
(Electronic) Receipt
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Mar 6, 2020
Mar 6, 2020
Amended claims with annotations
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Mar 6, 2020
Amendments received before examination
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Mar 6, 2020
Letter accompanying subsequently filed items
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Oct 30, 2019
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Communication to designated inventor
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Aug 28, 2019
Communication to designated inventor
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Aug 28, 2019
Communication to designated inventor
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Aug 28, 2019
Communication to designated inventor
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Aug 28, 2019
Communication to designated inventor
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Aug 28, 2019
Communication to designated inventor
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Jul 30, 2019
Jul 26, 2019
(Electronic) Receipt
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Jul 26, 2019
Jul 26, 2019
Amended claims with annotations
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Jul 26, 2019
Request for entry into the European phase
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Jun 3, 2019
Information on entry into European phase
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Jan 4, 2019
Notification of election of EPO
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Aug 16, 2018
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Jul 26, 2018
Copy of the international search report
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Jul 26, 2018
Published international application - A1
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