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The patent EP2447302 was granted to Lanxess Deutschland on Nov 28, 2018. The application was filed on Oct 25, 2011 under application number EP11186586A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| HAMMER | Aug 28, 2019 | GRUNECKER PATENT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE1130594 |
| DESCRIPTION | EP0000194 |
| DESCRIPTION | EP1422223 |
| DESCRIPTION | US2840589 |
| OPPOSITION | DE1720352 |
| OPPOSITION | DE1942992 |
| OPPOSITION | DE2122573 |
| OPPOSITION | DE2559749 |
| OPPOSITION | EP1975191 |
| OPPOSITION | EP2093246 |
| OPPOSITION | GB1099759 |
| OPPOSITION | GB1364550 |
| OTHER | DE1720352 |
| OTHER | DE1942992 |
| OTHER | DE2122573 |
| OTHER | DE2559749 |
| OTHER | EP1975181 |
| OTHER | EP2093246 |
| OTHER | GB1099759 |
| SEARCH | DE1720352 |
| SEARCH | DE1942992 |
| SEARCH | DE2122573 |
| SEARCH | DE2559749 |
| SEARCH | EP1975191 |
| SEARCH | EP2093246 |
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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May 9, 2022
Refund of fees
Appeal
May 4, 2022
May 4, 2022
May 2, 2022
Apr 28, 2022
Apr 27, 2022
(Electronic) Receipt
Appeal
Apr 27, 2022
Apr 27, 2022
Withdrawal of an appeal
Appeal
Mar 4, 2022
Mar 4, 2022
Feb 25, 2022
(Electronic) Receipt
Appeal
Feb 25, 2022
Feb 25, 2022
Notice of appeal
Appeal
Dec 21, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Means of redress
OPPO
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Nov 16, 2021
Nov 4, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 19, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Sep 22, 2021
Sep 21, 2021
Sep 17, 2021
Sep 17, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Apr 16, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Feb 1, 2021
Jan 4, 2021
Jan 4, 2021
Jan 4, 2021
Jan 4, 2021
Nov 5, 2020
Oct 30, 2020
Oct 30, 2020
Oct 22, 2020
Oct 21, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 16, 2020
Oct 16, 2020
Oct 16, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jan 16, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Sep 10, 2019
Sep 10, 2019
Sep 3, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 18, 2018
Oct 10, 2018
(Electronic) Receipt
Search/Exam
Oct 10, 2018
English translation of the claims
Search/Exam
Oct 10, 2018
Filing of the translations of the claims
Search/Exam
Oct 10, 2018
French translation of claims
Search/Exam
Oct 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2018
Oct 4, 2018
Oct 4, 2018
Intention to grant (signatures)
Search/Exam
Oct 4, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 4, 2018
Jul 26, 2018
(Electronic) Receipt
Search/Exam
Jul 26, 2018
Amended description with annotations
Search/Exam
Jul 26, 2018
Annex
Search/Exam
Jul 26, 2018
Description
Search/Exam
Jul 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2018
Jul 10, 2018
Annex to the communication
Search/Exam
Jul 10, 2018
Communication from the Examining Division
Search/Exam
Jun 22, 2018
(Electronic) Receipt
Search/Exam
Jun 22, 2018
Amended claims with annotations
Search/Exam
Jun 22, 2018
Annex
Search/Exam
Jun 22, 2018
Claims
Search/Exam
Jun 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2018
Jun 12, 2018
Jun 7, 2018
(Electronic) Receipt
Search/Exam
Jun 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 7, 2018
Feb 15, 2018
Annex to the communication
Search/Exam
Feb 15, 2018
Communication from the Examining Division
Search/Exam
Jan 23, 2018
(Electronic) Receipt
Search/Exam
Jan 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2018
Nov 3, 2017
Annex to the communication
Search/Exam
Nov 3, 2017
Communication from the Examining Division
Search/Exam
Oct 19, 2017
Sep 5, 2017
(Electronic) Receipt
Search/Exam
Sep 5, 2017
English translation of the claims
Search/Exam
Sep 5, 2017
Filing of the translations of the claims
Search/Exam
Sep 5, 2017
French translation of claims
Search/Exam
Sep 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 16, 2017
Aug 16, 2017
Aug 7, 2017
Observations by third parties
Search/Exam
Aug 7, 2017
Patent document filed by a Third party
Search/Exam
Jul 25, 2017
Jul 25, 2017
Jul 25, 2017
Intention to grant (signatures)
Search/Exam
Jul 25, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 25, 2017
Apr 7, 2017
Mar 23, 2017
Feb 8, 2017
(Electronic) Receipt
Search/Exam
Feb 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2017
Dec 13, 2016
Annex to the communication
Search/Exam
Dec 13, 2016
Communication from the Examining Division
Search/Exam
Nov 22, 2016
(Electronic) Receipt
Search/Exam
Nov 22, 2016
Amended claims with annotations
Search/Exam
Nov 22, 2016
Amended description with annotations
Search/Exam
Nov 22, 2016
Claims
Search/Exam
Nov 22, 2016
Description
Search/Exam
Nov 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2016
Oct 14, 2016
Annex to the communication
Search/Exam
Oct 14, 2016
Communication from the Examining Division
Search/Exam
Oct 7, 2016
Submission concerning representation
Search/Exam
Jul 26, 2016
(Electronic) Receipt
Search/Exam
Jul 26, 2016
Amended claims with annotations
Search/Exam
Jul 26, 2016
Amended description with annotations
Search/Exam
Jul 26, 2016
Claims
Search/Exam
Jul 26, 2016
Description
Search/Exam
Jul 26, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2016
Jun 20, 2016
Annex to the communication
Search/Exam
Jun 20, 2016
Communication from the Examining Division
Search/Exam
Apr 29, 2016
(Electronic) Receipt
Search/Exam
Apr 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2016
Apr 29, 2016
Apr 11, 2016
Annex to the communication
Search/Exam
Apr 11, 2016
Communication from the Examining Division
Search/Exam
Mar 31, 2015
(Electronic) Receipt
Search/Exam
Mar 31, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2015
Dec 8, 2014
Annex to the communication
Search/Exam
Dec 8, 2014
Communication from the Examining Division
Search/Exam
Nov 17, 2014
Examination started
Search/Exam
Aug 13, 2013
Aug 5, 2013
(Electronic) Receipt
Search/Exam
Aug 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2013
Jun 12, 2013
Jun 12, 2013
Jun 4, 2013
Non-patent literature filed by a third party
Search/Exam
Jun 4, 2013
Non-patent literature filed by a third party
Search/Exam
Jun 4, 2013
Non-patent literature filed by a third party
Search/Exam
Jun 4, 2013
Non-patent literature filed by a third party
Search/Exam
Jun 4, 2013
Non-patent literature filed by a third party
Search/Exam
Jun 4, 2013
Observations by third parties
Search/Exam
Jul 28, 2012
Jul 28, 2012
Amendments received before examination
Search/Exam
Jul 28, 2012
May 7, 2012
Apr 4, 2012
Notification of forthcoming publication
Search/Exam
Feb 25, 2012
Letter concerning the priority
Search/Exam
Feb 25, 2012
Priority document
Search/Exam
Jan 12, 2012
Jan 12, 2012
European search opinion
Search/Exam
Jan 12, 2012
European search report
Search/Exam
Jan 5, 2012
Modified abstract
Search/Exam
Dec 26, 2011
Dec 9, 2011
Priority search results copy provided by EPO
Search/Exam
Oct 25, 2011
Abstract
Search/Exam
Oct 25, 2011
Oct 25, 2011
Claims
Search/Exam
Oct 25, 2011
Description
Search/Exam
Oct 25, 2011
Designation of inventor
Search/Exam
Oct 25, 2011
Designation of inventor
Search/Exam
Oct 25, 2011
Request for grant of a European patent
Search/Exam