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The patent EP3481415 was granted to Laboratoire Franais DU Fractionnement ET DES Biotechnologies on Sep 6, 2023. The application was filed on Jul 6, 2017 under application number EP17742825A. 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 |
|---|---|---|---|
| BIOTEST | Jun 5, 2024 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| TAKEDA PHARMACEUTICALS | Jun 5, 2024 | HOFFMANN EITLE | ADMISSIBLE |
| MARCHANT | May 24, 2024 | MURGITROYD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1648496 |
| DESCRIPTION | EP1739093 |
| DESCRIPTION | WO0017234 |
| DESCRIPTION | WO0017239 |
| DESCRIPTION | WO0021568 |
| DESCRIPTION | WO2010019847 |
| DESCRIPTION | WO2012090183 |
| DESCRIPTION | WO2015136217 |
| EXAMINATION | EP1393741 |
| EXAMINATION | EP1568709 |
| EXAMINATION | FR2857267 |
| EXAMINATION | US7550567 |
| EXAMINATION | WO2010019847 |
| EXAMINATION | WO2015136217 |
| EXAMINATION | WO2018007530 |
| INTERNATIONAL-SEARCH-REPORT | EP1393741 |
| INTERNATIONAL-SEARCH-REPORT | FR2857267 |
| INTERNATIONAL-SEARCH-REPORT | US7550567 |
| INTERNATIONAL-SEARCH-REPORT | WO2010019847 |
| INTERNATIONAL-SEARCH-REPORT | WO2015136217 |
| OPPOSITION | AU2015228649 |
| OPPOSITION | EP1393741 |
| OPPOSITION | FR2857267 |
| OPPOSITION | JP3867931B |
| OPPOSITION | US2006247426 |
| OPPOSITION | US2007014780 |
| OPPOSITION | US2012122179 |
| OPPOSITION | US2013184160 |
| OPPOSITION | US2014154233 |
| OPPOSITION | US2014328822 |
| OPPOSITION | US2015238529 |
| OPPOSITION | US7045601 |
| OPPOSITION | US7550567 |
| OPPOSITION | US9371355 |
| OPPOSITION | WO2010019847 |
| OPPOSITION | WO2012038410 |
| OPPOSITION | WO2014085861 |
| OPPOSITION | WO2015136217 |
| OPPOSITION | WO2018007767 |
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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Decision to grant a European patent
Search/Exam
Jul 27, 2023
(Electronic) Receipt
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Jul 27, 2023
German translation of the claims
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Jul 27, 2023
Letter accompanying subsequently filed items
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Jul 26, 2023
(Electronic) Receipt
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Jul 26, 2023
English translation of the claims
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Jul 26, 2023
Filing of the translations of the claims
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Jul 26, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 24, 2023
Text intended for grant (clean copy)
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May 24, 2023
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(Electronic) Receipt
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Apr 26, 2023
Amended description with annotations
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Apr 26, 2023
Description
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Apr 26, 2023
Letter accompanying subsequently filed items
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Apr 26, 2023
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Annex to the communication
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Apr 24, 2023
(Electronic) Receipt
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Apr 24, 2023
Amended claims with annotations
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Apr 24, 2023
Amended description with annotations
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Apr 24, 2023
Claims
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Apr 24, 2023
Description
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Apr 24, 2023
Letter accompanying subsequently filed items
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Apr 24, 2023
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Annex to the communication
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Apr 20, 2023
Mar 27, 2023
(Electronic) Receipt
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Mar 27, 2023
Amended claims with annotations
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Mar 27, 2023
Claims
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Mar 27, 2023
Letter accompanying subsequently filed items
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Mar 27, 2023
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Annexes in respect of a client data request
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Aug 4, 2022
Annexes in respect of a client data request
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Aug 4, 2022
Letter accompanying subsequently filed items
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Jul 21, 2022
Annexes in respect of a client data request
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jun 16, 2022
Letter accompanying subsequently filed items
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Jun 16, 2022
Oral proceedings: Request for postponement
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May 16, 2022
Annex to the communication
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May 16, 2022
Summons to attend oral proceedings
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Apr 21, 2021
Decision to allow further processing
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Apr 9, 2021
(Electronic) Receipt
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Apr 9, 2021
Amended claims with annotations
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Apr 9, 2021
Claims
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Apr 9, 2021
Letter accompanying subsequently filed items
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Apr 9, 2021
Request for further processing
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Feb 2, 2021
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(Electronic) Receipt
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Oct 22, 2020
Letter accompanying subsequently filed items
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Oct 22, 2020
Jun 25, 2020
Annex to the communication
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Jun 25, 2020
Communication from the Examining Division
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Jun 17, 2020
Examination started
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Aug 20, 2019
Refund of fees
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Aug 9, 2019
(Electronic) Receipt
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Aug 9, 2019
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Amended claims with annotations
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Aug 9, 2019
Amendments received before examination
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Aug 9, 2019
Letter accompanying subsequently filed items
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Apr 17, 2019
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Refund of fees
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Feb 11, 2019
Communication to designated inventor
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Feb 11, 2019
Communication to designated inventor
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Feb 6, 2019
Priority search results copy provided by EPO
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Feb 6, 2019
Priority search results copy provided by EPO
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Feb 6, 2019
Priority search results copy provided by EPO
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Jan 29, 2019
(Electronic) Receipt
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Jan 29, 2019
Jan 29, 2019
Amended claims with annotations
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Jan 29, 2019
Request for entry into the European phase
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Jan 28, 2019
(Electronic) Receipt
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Jan 28, 2019
(Electronic) Receipt
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Jan 28, 2019
(Electronic) Receipt
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Jan 28, 2019
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Amended claims with annotations
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Jan 28, 2019
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Jan 28, 2019
Amended claims with annotations
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Jan 28, 2019
Request for entry into the European phase
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Jan 28, 2019
Request for entry into the European phase
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Jan 28, 2019
Request for entry into the European phase
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(Electronic) Receipt
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Jan 25, 2019
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Amended claims with annotations
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Jan 25, 2019
Request for entry into the European phase
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Jan 17, 2019
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Information on entry into European phase
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Notification of election of EPO
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Jun 12, 2018
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PCT demand form
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Converted Sequence Listing
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Jan 11, 2018
Copy of the international search report
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Jan 11, 2018
Copy of the international search report
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Jan 11, 2018
Published international application - A1
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Oct 23, 2017
ISR: cited documents
PCTISA
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Abstract
PCTISA
Jul 6, 2017
Claims
PCTISA
Jul 6, 2017
Description
PCTISA
Jul 6, 2017
Drawings
PCTISA