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The patent EP2805491 was granted to Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on May 12, 2021. The application was filed on Jan 21, 2013 under application number EP13700753A. 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 |
|---|---|---|---|
| UNIFIED PATENTS | Feb 10, 2022 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2013010997 |
| OPPOSITION | JP2011061363 |
| OPPOSITION | KR100849495B |
| OPPOSITION | KR101063424B |
| OPPOSITION | US2006002479 |
| OPPOSITION | US2006114844 |
| OPPOSITION | US2008040498 |
| OPPOSITION | US2009279612 |
| OPPOSITION | WO2013010997 |
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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Jul 23, 2025
Refund of fees
Search/Exam
Jul 22, 2025
Jul 22, 2025
Jul 18, 2025
Jul 18, 2025
Jul 15, 2025
(Electronic) Receipt
Appeal
Jul 15, 2025
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Withdrawal of an appeal
Appeal
Jun 20, 2025
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Nov 26, 2024
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(Electronic) Receipt
Appeal
Sep 2, 2024
Sep 2, 2024
Reply to appeal
Appeal
May 10, 2024
May 3, 2024
(Electronic) Receipt
Appeal
May 3, 2024
May 3, 2024
Claims
Appeal
May 3, 2024
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Mar 11, 2024
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(Electronic) Receipt
Appeal
Mar 4, 2024
Mar 4, 2024
Notice of appeal
Appeal
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Means of redress
OPPO
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May 26, 2021
Apr 15, 2021
Decision to grant a European patent
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Filing of the translations of the claims
Search/Exam
Apr 6, 2021
French translation of claims
Search/Exam
Apr 6, 2021
German translation of the claims
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2020
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Intention to grant (signatures)
Search/Exam
Nov 25, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2020
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Sep 30, 2020
Amended claims with annotations
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2020
Jul 30, 2020
Jul 24, 2020
(Electronic) Receipt
Search/Exam
Jul 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2020
Mar 20, 2020
Annex to the communication
Search/Exam
Mar 20, 2020
Communication from the Examining Division
Search/Exam
Mar 9, 2020
(Electronic) Receipt
Search/Exam
Mar 9, 2020
Amended claims with annotations
Search/Exam
Mar 9, 2020
Claims
Search/Exam
Mar 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2020
Jan 8, 2020
Jan 2, 2020
(Electronic) Receipt
Search/Exam
Jan 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2020
Aug 28, 2019
Annex to the communication
Search/Exam
Aug 28, 2019
Communication from the Examining Division
Search/Exam
Feb 5, 2018
(Electronic) Receipt
Search/Exam
Feb 5, 2018
Amended claims with annotations
Search/Exam
Feb 5, 2018
Claims
Search/Exam
Feb 5, 2018
Description
Search/Exam
Feb 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2018
Dec 7, 2017
Dec 1, 2017
(Electronic) Receipt
Search/Exam
Dec 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2017
Jul 26, 2017
Annex to the communication
Search/Exam
Jul 26, 2017
Communication from the Examining Division
Search/Exam
Jul 20, 2017
Examination started
Search/Exam
Apr 27, 2016
(Electronic) Receipt
Search/Exam
Apr 27, 2016
Apr 27, 2016
Amended claims with annotations
Search/Exam
Apr 27, 2016
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Amended description with annotations
Search/Exam
Apr 27, 2016
Amendments received before examination
Search/Exam
Apr 27, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2016
Annexes in respect of a client data request
Search/Exam
Jan 18, 2016
(Electronic) Receipt
Search/Exam
Jan 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2015
May 19, 2015
Payment of fees and costs
Search/Exam
May 19, 2015
Mar 26, 2015
(Electronic) Receipt
Search/Exam
Mar 26, 2015
Mar 26, 2015
Amended claims with annotations
Search/Exam
Mar 26, 2015
Amendments received before examination
Search/Exam
Mar 26, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2015
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Jan 22, 2015
Submission concerning representation
Search/Exam
Jan 22, 2015
Submission concerning representation
Search/Exam
Jan 21, 2015
Submission concerning representation
Search/Exam
Jan 21, 2015
Submission concerning representation
Search/Exam
Jan 20, 2015
(Electronic) Receipt
Search/Exam
Jan 20, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2014
Sep 16, 2014
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Aug 19, 2014
(Electronic) Receipt
Search/Exam
Aug 19, 2014
Request for entry into the European phase
Search/Exam
Aug 19, 2014
Submission concerning representation
Search/Exam
Aug 4, 2014
Jun 2, 2014
Information on entry into European phase
Search/Exam
Sep 26, 2013
Copy of the international search report
Search/Exam
Sep 26, 2013
Sep 13, 2013
Aug 1, 2013
Aug 1, 2013
Aug 1, 2013
Jul 25, 2013
Published international application - A2
Search/Exam
Jan 21, 2013
(Electronic) Receipt
PCTRO
Jan 21, 2013
Abstract
PCTRO
Jan 21, 2013
Claims
PCTRO
Jan 21, 2013
Description
PCTRO
Jan 21, 2013
Drawings
PCTRO