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The patent EP2691157 was granted to Evonik Degussa on Jun 7, 2023. The application was originally filed on Mar 27, 2012 under application number EP12710517A. 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 |
|---|---|---|---|
| KRAUS & LEDERER PARTGMBB | Mar 7, 2024 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Description
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Jun 20, 2023
May 11, 2023
Decision to grant a European patent
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Apr 25, 2023
(Electronic) Receipt
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Apr 25, 2023
English translation of the claims
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Apr 25, 2023
Filing of the translations of the claims
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Apr 25, 2023
French translation of claims
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Apr 25, 2023
Letter accompanying subsequently filed items
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Jan 5, 2023
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Jan 5, 2023
Intention to grant (signatures)
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Jan 5, 2023
Text intended for grant (clean copy)
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Jan 5, 2023
May 27, 2021
(Electronic) Receipt
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May 27, 2021
Description
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May 27, 2021
Letter accompanying subsequently filed items
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May 27, 2021
Feb 1, 2021
Annex to the communication
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Feb 1, 2021
Communication from the Examining Division
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Nov 24, 2020
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Nov 18, 2020
Refund of fees
Appeal
Nov 17, 2020
Decision of the Board of Appeal
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Nov 17, 2020
Nov 17, 2020
F3032 Notification(s) of the decision
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Nov 17, 2020
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Jul 17, 2020
Jul 1, 2020
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Jan 28, 2019
Submission concerning representation
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Jan 24, 2019
Jan 16, 2019
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Jun 22, 2018
Jun 12, 2018
Processing of an appeal
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Jun 4, 2018
(Electronic) Receipt
Appeal
Jun 4, 2018
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Processing of an appeal
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Jun 4, 2018
Mar 28, 2018
(Electronic) Receipt
Appeal
Mar 28, 2018
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Claims
Appeal
Mar 28, 2018
Mar 28, 2018
Notice of appeal
Appeal
Feb 9, 2018
Advice of delivery
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Feb 8, 2018
Advice of delivery
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Feb 5, 2018
Acknowledgement of a document
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Feb 5, 2018
Annex to a communication
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Feb 5, 2018
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Grounds for the decision (Annex)
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Feb 5, 2018
Means of redress
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May 24, 2017
(Electronic) Receipt
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May 24, 2017
Amended claims with annotations
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May 24, 2017
Claims
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May 24, 2017
Letter accompanying subsequently filed items
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May 24, 2017
Apr 6, 2017
Annex to the communication
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Apr 6, 2017
Communication from the Examining Division
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Jul 20, 2016
(Electronic) Receipt
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Jul 20, 2016
Amended claims with annotations
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Jul 20, 2016
Claims
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Jul 20, 2016
Letter accompanying subsequently filed items
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Jul 20, 2016
Apr 4, 2016
Annex to the communication
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Apr 4, 2016
Communication from the Examining Division
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Mar 24, 2016
Examination started
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Feb 9, 2015
(Electronic) Receipt
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Feb 9, 2015
Letter accompanying subsequently filed items
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Feb 9, 2015
Dec 19, 2014
Oct 16, 2014
(Electronic) Receipt
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Oct 16, 2014
Oct 16, 2014
Amended claims with annotations
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Oct 16, 2014
Amendments received before examination
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Oct 16, 2014
Letter accompanying subsequently filed items
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Apr 28, 2014
Apr 17, 2014
Copy of the international search report
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Apr 17, 2014
Copy of the international search report
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Apr 17, 2014
Copy of the international search report
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Apr 17, 2014
Copy of the international search report
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Apr 17, 2014
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Mar 26, 2014
Feb 24, 2014
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Jan 9, 2014
Nov 4, 2013
Communication to designated inventor
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Nov 4, 2013
Communication to designated inventor
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Nov 4, 2013
Communication to designated inventor
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Nov 4, 2013
Communication to designated inventor
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Nov 4, 2013
Communication to designated inventor
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Sep 4, 2013
(Electronic) Receipt
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Sep 4, 2013
Request for entry into the European phase
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Sep 3, 2013
Letter concerning fees and payments
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Aug 29, 2013
Aug 20, 2013
Notification of the recording of a change
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Aug 9, 2013
Information on entry into European phase
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Oct 23, 2012
Oct 4, 2012
Published international application - A2
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