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The patent EP2342156 was granted to KHS on Apr 26, 2023. The application was filed on Aug 27, 2009 under application number EP09778138A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| WIPOTEC | Dec 14, 2017 | EDER SCHIESCHKE & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE2008232 |
| EXAMINATION | US2753039 |
| EXAMINATION | US2778480 |
| EXAMINATION | US4437561 |
| INTERNATIONAL-SEARCH-REPORT | DE102005006733 |
| INTERNATIONAL-SEARCH-REPORT | EP0636574 |
| INTERNATIONAL-SEARCH-REPORT | EP1111352 |
| INTERNATIONAL-SEARCH-REPORT | WO9420365 |
| OPPOSITION | DE102005006733 |
| OPPOSITION | DE10313828 |
| OPPOSITION | DE2008232 |
| OPPOSITION | DE29917940U |
| OPPOSITION | DE4232387 |
| OPPOSITION | DE69808118T |
| OPPOSITION | EP0636574 |
| OPPOSITION | EP1111352 |
| OPPOSITION | JP2000249591 |
| OPPOSITION | JPH06219528 |
| OPPOSITION | US2753039 |
| OPPOSITION | US2778480 |
| OPPOSITION | US4437561 |
| OPPOSITION | US5326938 |
| OPPOSITION | USRE34839E |
| OPPOSITION | WO9420365 |
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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Mar 30, 2023
Mar 30, 2023
Mar 24, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Description
OPPO
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Feb 23, 2023
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Feb 17, 2023
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Feb 8, 2023
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Feb 1, 2023
Feb 1, 2023
Mar 14, 2022
Advice of delivery
Appeal
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Jan 20, 2022
Jan 14, 2022
(Electronic) Receipt
Appeal
Jan 14, 2022
Jan 14, 2022
Dec 23, 2021
Dec 17, 2021
Nov 23, 2021
Advice of delivery
Appeal
Nov 18, 2021
Nov 18, 2021
Sep 20, 2021
Sep 15, 2021
(Electronic) Receipt
Appeal
Sep 15, 2021
Sep 15, 2021
Sep 10, 2021
Sep 6, 2021
(Electronic) Receipt
Appeal
Sep 6, 2021
Sep 6, 2021
Aug 20, 2021
Advice of delivery
Appeal
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 11, 2021
Jul 20, 2021
Jul 2, 2020
Jun 26, 2020
(Electronic) Receipt
Appeal
Jun 26, 2020
Jun 26, 2020
May 15, 2020
May 12, 2020
(Electronic) Receipt
Appeal
May 12, 2020
May 12, 2020
May 12, 2020
May 12, 2020
May 12, 2020
May 12, 2020
May 12, 2020
Feb 26, 2020
Feb 20, 2020
(Electronic) Receipt
Appeal
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Claims
Appeal
Feb 20, 2020
Claims
Appeal
Feb 20, 2020
Claims
Appeal
Feb 20, 2020
Claims
Appeal
Feb 20, 2020
Claims
Appeal
Feb 20, 2020
Feb 20, 2020
Reply to appeal
Appeal
Jan 3, 2020
Document concerning representation
Search/Exam
Nov 19, 2019
Nov 14, 2019
(Electronic) Receipt
Appeal
Nov 14, 2019
Nov 14, 2019
Oct 22, 2019
Oct 8, 2019
Sep 24, 2019
Sep 24, 2019
Sep 16, 2019
(Electronic) Receipt
Appeal
Sep 16, 2019
Sep 16, 2019
Notice of appeal
Appeal
Aug 2, 2019
Aug 2, 2019
Jul 19, 2019
Jul 18, 2019
Jul 15, 2019
Jul 15, 2019
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Means of redress
OPPO
Jul 15, 2019
Jul 15, 2019
Jul 15, 2019
Jul 15, 2019
Jun 26, 2019
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Apr 29, 2019
Apr 29, 2019
Apr 26, 2019
Apr 26, 2019
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Apr 25, 2019
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Claims
OPPO
Apr 25, 2019
Claims
OPPO
Apr 25, 2019
Claims
OPPO
Apr 25, 2019
Claims
OPPO
Apr 25, 2019
Apr 25, 2019
Apr 24, 2019
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Apr 24, 2019
Feb 11, 2019
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Jan 18, 2019
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Aug 2, 2018
Jul 25, 2018
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Jun 5, 2018
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May 23, 2018
May 14, 2018
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Claims
OPPO
May 14, 2018
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Jan 4, 2018
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Jan 3, 2018
Dec 15, 2017
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Dec 14, 2017
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Dec 14, 2017
Mar 15, 2017
Feb 16, 2017
Decision to grant a European patent
Search/Exam
Jan 27, 2017
English translation of the claims
Search/Exam
Jan 27, 2017
Filing of the translations of the claims
Search/Exam
Jan 27, 2017
French translation of claims
Search/Exam
Dec 5, 2016
Dec 5, 2016
Dec 5, 2016
Dec 5, 2016
Intention to grant (signatures)
Search/Exam
Dec 5, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 5, 2016
Nov 29, 2016
Nov 15, 2016
(Electronic) Receipt
Search/Exam
Nov 15, 2016
Amended claims with annotations
Search/Exam
Nov 15, 2016
Amended claims with annotations
Search/Exam
Nov 15, 2016
Authorisation
Search/Exam
Nov 15, 2016
Claims
Search/Exam
Nov 15, 2016
Claims
Search/Exam
Nov 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2016
Jul 27, 2016
Advice of delivery
Search/Exam
Jul 19, 2016
Advice of delivery
Search/Exam
Jul 7, 2016
Acknowledgement of a document
Search/Exam
Jul 7, 2016
Annex to the communication
Search/Exam
Jul 7, 2016
Preparation for oral proceedings
Search/Exam
Jul 7, 2016
Summons to attend oral proceedings
Search/Exam
Jan 7, 2016
Sep 9, 2015
Annex to the communication
Search/Exam
Sep 9, 2015
Communication from the Examining Division
Search/Exam
Aug 25, 2015
Examination started
Search/Exam
Jun 16, 2011
May 25, 2011
May 25, 2011
Amended claims with annotations
Search/Exam
May 25, 2011
Amendments received before examination
Search/Exam
May 12, 2011
Apr 13, 2011
Jan 7, 2011
Matter concerning the application
Search/Exam
Jan 7, 2011
Request for entry into the European phase
Search/Exam
Sep 7, 2010
Sep 7, 2010
Notification of the recording of a change
Search/Exam
Jun 28, 2010
Jun 17, 2010
Apr 22, 2010
Apr 1, 2010
Copy of the international search report
Search/Exam
Apr 1, 2010
Copy of the international search report
Search/Exam
Apr 1, 2010
Published international application - A1
Search/Exam
Dec 18, 2009
Dec 18, 2009
Dec 18, 2009
Aug 27, 2009
Abstract
PCTRO
Aug 27, 2009
Claims
PCTRO
Aug 27, 2009
Description
PCTRO
Aug 27, 2009
Drawings
PCTRO