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The patent EP3403659 was granted to Regen LAB on Apr 27, 2022. The application was filed on Mar 11, 2011 under application number EP18020251A. 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 |
|---|---|---|---|
| ESTAR | Jan 26, 2023 | PEARL COHEN ZEDEK LATZER BARATZ UK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1543846 |
| DESCRIPTION | US4599219 |
| DESCRIPTION | US4752449 |
| DESCRIPTION | US5174961 |
| DESCRIPTION | US5891617 |
| DESCRIPTION | US6472162 |
| SEARCH | US2004151709 |
| SEARCH | US4946601 |
| SEARCH | US5667963 |
| SEARCH | WO2008022651 |
| SEARCH | WO2008023026 |
| SEARCH | WO9966923 |
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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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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May 11, 2022
Mar 31, 2022
Decision to grant a European patent
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Mar 8, 2022
(Electronic) Receipt
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Mar 8, 2022
Filing of the translations of the claims
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Mar 8, 2022
French translation of claims
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Mar 8, 2022
German translation of the claims
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Mar 8, 2022
Letter accompanying subsequently filed items
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Dec 14, 2021
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Intention to grant (signatures)
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Dec 14, 2021
Text intended for grant (clean copy)
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Dec 14, 2021
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(Electronic) Receipt
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Oct 19, 2021
Amended claims with annotations
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Oct 19, 2021
Claims
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Oct 19, 2021
Letter accompanying subsequently filed items
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Oct 19, 2021
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Intention to grant (signatures)
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Sep 24, 2021
Text intended for grant (clean copy)
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Sep 24, 2021
Apr 13, 2021
(Electronic) Receipt
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Apr 13, 2021
Amended claims with annotations
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Apr 13, 2021
Amended description with annotations
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Apr 13, 2021
Claims
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Apr 13, 2021
Description
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Apr 13, 2021
Letter accompanying subsequently filed items
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Apr 13, 2021
Feb 24, 2021
Annex to the communication
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Feb 24, 2021
Communication from the Examining Division
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Nov 6, 2020
(Electronic) Receipt
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Nov 6, 2020
Amended claims with annotations
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Nov 6, 2020
Citation for the examination procedure
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Nov 6, 2020
Claims
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Nov 6, 2020
Letter accompanying subsequently filed items
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Annex to the communication
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Aug 13, 2020
Communication from the Examining Division
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May 12, 2020
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(Electronic) Receipt
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May 4, 2020
(Electronic) Receipt
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May 4, 2020
Amended claims with annotations
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May 4, 2020
Claims
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May 4, 2020
Letter accompanying subsequently filed items
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May 4, 2020
Letter accompanying subsequently filed items
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May 4, 2020
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Feb 13, 2020
Feb 10, 2020
(Electronic) Receipt
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Feb 10, 2020
Letter accompanying subsequently filed items
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Feb 10, 2020
Oct 1, 2019
Annex to the communication
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Oct 1, 2019
Communication from the Examining Division
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Sep 24, 2019
Examination started
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Jun 13, 2019
Refund of fees
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May 21, 2019
(Electronic) Receipt
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May 21, 2019
May 21, 2019
Amended claims with annotations
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May 21, 2019
Amendments received before examination
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May 21, 2019
Letter accompanying subsequently filed items
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Mar 18, 2019
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(Electronic) Receipt
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Mar 3, 2019
Authorisation
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Mar 3, 2019
Letter accompanying subsequently filed items
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Mar 3, 2019
Nov 26, 2018
Oct 24, 2018
Notification of forthcoming publication
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Oct 4, 2018
Refund of fees
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Oct 2, 2018
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European search opinion
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Sep 21, 2018
European search report
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Sep 21, 2018
Information on Search Strategy
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Claims
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Jul 17, 2018
Claims
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Jul 17, 2018
Description
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Jul 17, 2018
Matter concerning the application
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Jul 11, 2018
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Annex
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Jul 11, 2018
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Annexes in respect of a client data request
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Jul 3, 2018
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Notice on debiting of fees
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Jun 13, 2018
Matter concerning the application
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Jun 8, 2018
Abstract
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Jun 8, 2018
Claims
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Jun 8, 2018
Description
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Jun 8, 2018
Drawings
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Jun 8, 2018
Matter concerning the application
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Jun 8, 2018
Request for grant of a European patent
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Jun 8, 2018
Request for grant of a European patent
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Oct 5, 2011