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The patent EP3476942 was granted to Trianni on Jan 26, 2022. The application was filed on Oct 27, 2017 under application number EP17198800A. 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 |
|---|---|---|---|
| REGENERON PHARMACEUTICALS | Oct 25, 2022 | J A KEMP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2013219535 |
| DESCRIPTION | US5591669 |
| DESCRIPTION | US5593598 |
| DESCRIPTION | US5612205 |
| DESCRIPTION | US5661016 |
| DESCRIPTION | US5789650 |
| DESCRIPTION | US5814318 |
| DESCRIPTION | US5874299 |
| DESCRIPTION | US5877397 |
| DESCRIPTION | US6023010 |
| DESCRIPTION | US6091001 |
| DESCRIPTION | US6130364 |
| DESCRIPTION | US6162963 |
| DESCRIPTION | US6570061 |
| DESCRIPTION | US6596541 |
| DESCRIPTION | US6673986 |
| DESCRIPTION | US7041871 |
| DESCRIPTION | US7064244 |
| DESCRIPTION | US7145056 |
| DESCRIPTION | WO2017035252 |
| EXAMINATION | WO2011158009 |
| EXAMINATION | WO2013041844 |
| OPPOSITION | US2013219535 |
| OPPOSITION | WO2011158009 |
| OPPOSITION | WO2021003152 |
| OTHER | US2013219535 |
| OTHER | WO2011158009 |
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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Decision to grant a European patent
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Jan 3, 2022
Dec 15, 2021
(Electronic) Receipt
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Dec 15, 2021
Filing of the translations of the claims
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Dec 15, 2021
Letter accompanying subsequently filed items
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Sep 17, 2021
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Intention to grant (signatures)
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Sep 17, 2021
Text intended for grant (clean copy)
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Sep 17, 2021
Text intended for grant (sequence listing)
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Sep 17, 2021
Aug 2, 2021
Annex to the communication
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Aug 2, 2021
Consultation by telephone/in person
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Aug 2, 2021
Jul 30, 2021
(Electronic) Receipt
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Jul 30, 2021
Amended claims with annotations
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Jul 30, 2021
Amended description with annotations
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Jul 30, 2021
Claims
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Jul 30, 2021
Description
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Jul 30, 2021
French translation of claims
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Jul 30, 2021
German translation of the claims
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Jul 30, 2021
Letter accompanying subsequently filed items
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Jul 30, 2021
Jul 27, 2021
(Electronic) Receipt
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Jul 27, 2021
Amended claims with annotations
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Jul 27, 2021
Amended description with annotations
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Jul 27, 2021
Claims
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Jul 27, 2021
Description
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Jul 27, 2021
Letter accompanying subsequently filed items
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Jul 27, 2021
Jul 27, 2021
Translation of the claims
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Jul 27, 2021
Translation of the claims
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Apr 13, 2021
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Apr 13, 2021
Intention to grant (signatures)
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Apr 13, 2021
Text intended for grant (clean copy)
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Apr 13, 2021
Text intended for grant (sequence listing)
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Apr 13, 2021
Feb 19, 2021
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Feb 15, 2021
(Electronic) Receipt
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Feb 15, 2021
Letter accompanying subsequently filed items
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Feb 15, 2021
Non-patent literature filed by a third party
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Feb 15, 2021
Observations by third parties
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Feb 15, 2021
Patent document filed by a Third party
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Dec 17, 2020
(Electronic) Receipt
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Dec 17, 2020
Amended claims with annotations
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Dec 17, 2020
Amended description with annotations
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Dec 17, 2020
Claims
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Dec 17, 2020
Description
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Dec 17, 2020
Letter accompanying subsequently filed items
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Dec 17, 2020
Aug 18, 2020
Annex to the communication
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Aug 18, 2020
Communication from the Examining Division
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Jul 31, 2020
Communication to designated inventor
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Jul 31, 2020
Communication to designated inventor
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Jul 30, 2020
Jul 24, 2020
(Electronic) Receipt
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Jul 24, 2020
Designation of inventor
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Jul 24, 2020
Letter accompanying subsequently filed items
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Jun 15, 2020
Jun 15, 2020
Jun 8, 2020
(Electronic) Receipt
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Jun 8, 2020
Citation filed by a third party
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Jun 8, 2020
Letter accompanying subsequently filed items
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Jun 8, 2020
Non-patent literature filed by a third party
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Jun 8, 2020
Non-patent literature filed by a third party
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Jun 8, 2020
Non-patent literature filed by a third party
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Jun 8, 2020
Observations by third parties
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May 11, 2020
(Electronic) Receipt
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May 11, 2020
Amended claims with annotations
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May 11, 2020
Amended description with annotations
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May 11, 2020
Claims
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May 11, 2020
Description
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May 11, 2020
Letter accompanying subsequently filed items
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May 11, 2020
Apr 9, 2020
Annex to the communication
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Apr 9, 2020
Communication from the Examining Division
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Apr 6, 2020
Examination started
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Oct 29, 2019
(Electronic) Receipt
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Oct 29, 2019
Oct 29, 2019
Amended claims with annotations
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Oct 29, 2019
Amendments received before examination
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Oct 29, 2019
Letter accompanying subsequently filed items
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Oct 29, 2019
May 6, 2019
Apr 3, 2019
Notification of forthcoming publication
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Feb 19, 2019
Communication to designated inventor
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Jan 23, 2019
(Electronic) Receipt
Search/Exam
Jan 23, 2019
Designation of inventor
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Jan 23, 2019
Letter accompanying subsequently filed items
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Jan 24, 2018
Jan 24, 2018
European search opinion
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Jan 24, 2018
European search report
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Jan 24, 2018
Information on Search Strategy
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Jan 11, 2018
Search started
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Nov 13, 2017
Deficiency in designation of inventor
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Oct 27, 2017
Abstract
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Oct 27, 2017
Oct 27, 2017
Claims
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Oct 27, 2017
Converted Sequence Listing
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Oct 27, 2017
Description
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Oct 27, 2017
Drawings
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Oct 27, 2017
Request for grant of a European patent
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