The patent EP2826831 was granted to KHS on Jan 10, 2024. The application was originally filed on Jul 16, 2013 under application number EP13176743A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CA2131765 |
| OPPOSITION | DE10116022 |
| OPPOSITION | DE102011107264 |
| OPPOSITION | DE2331193 |
| OPPOSITION | EP0631946 |
| OPPOSITION | EP2826831 |
| OPPOSITION | US4822653 |
| OPPOSITION | US5076430 |
| OPPOSITION | US5331038 |
| OPPOSITION | WO2013004341 |
| OPPOSITION | WO2014191132 |
| SEARCH | EP0798358 |
| SEARCH | EP1241239 |
| SEARCH | EP1566423 |
| SEARCH | US2008306214 |
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Date
Description
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Dec 14, 2023
Dec 14, 2023
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Advice of delivery
Search/Exam
Oct 12, 2023
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Sep 7, 2023
Sep 4, 2023
(Electronic) Receipt
Appeal
Sep 4, 2023
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Jul 26, 2023
(Electronic) Receipt
Appeal
Jul 26, 2023
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Jul 14, 2023
(Electronic) Receipt
Appeal
Jul 14, 2023
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Jul 14, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 10, 2023
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Advice of delivery
Appeal
Jan 24, 2023
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(Electronic) Receipt
Appeal
Jan 20, 2022
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Claims
Appeal
Jan 20, 2022
Claims
Appeal
Jan 20, 2022
Claims
Appeal
Jan 20, 2022
Jan 20, 2022
Reply to appeal
Appeal
Sep 20, 2021
Sep 10, 2021
(Electronic) Receipt
Appeal
Sep 10, 2021
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(Electronic) Receipt
Appeal
Jul 2, 2021
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Notice of appeal
Appeal
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Means of redress
OPPO
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Oct 22, 2019
Oct 8, 2019
Apr 8, 2019
Feb 28, 2019
Decision to grant a European patent
Search/Exam
Feb 13, 2019
(Electronic) Receipt
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Feb 13, 2019
Filing of the translations of the claims
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Feb 13, 2019
French translation of claims
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Feb 13, 2019
German translation of the claims
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Feb 13, 2019
Letter accompanying subsequently filed items
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Dec 10, 2018
Dec 10, 2018
Dec 10, 2018
Intention to grant (signatures)
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Dec 10, 2018
Text intended for grant (clean copy)
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Dec 10, 2018
Nov 8, 2018
(Electronic) Receipt
Search/Exam
Nov 8, 2018
Amended description with annotations
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Nov 8, 2018
Description
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Nov 8, 2018
Letter accompanying subsequently filed items
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Nov 8, 2018
Oct 22, 2018
Annex to the communication
Search/Exam
Oct 22, 2018
Communication from the Examining Division
Search/Exam
Oct 17, 2018
Oct 9, 2018
Examination started
Search/Exam
Sep 20, 2018
(Electronic) Receipt
Search/Exam
Sep 20, 2018
Annexes in respect of a client data request
Search/Exam
Sep 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2018
May 11, 2017
Submission concerning representation
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Feb 12, 2016
Decision to allow further processing
Search/Exam
Oct 5, 2015
(Electronic) Receipt
Search/Exam
Oct 5, 2015
Oct 5, 2015
Amended claims with annotations
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Oct 5, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2015
Request for further processing
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Aug 28, 2015
Jul 30, 2015
Payment of fees and costs
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Jul 30, 2015
Payment of fees and costs
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Jul 21, 2015
(Electronic) Receipt
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Jul 21, 2015
Letter accompanying subsequently filed items
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Jul 21, 2015
Matter concerning the application
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Jul 8, 2015
CDS Clean up - amended applicant details
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Jan 26, 2015
Jan 5, 2015
Notification of forthcoming publication
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Aug 29, 2014
Jul 21, 2014
Jun 16, 2014
(Electronic) Receipt
Search/Exam
Jun 16, 2014
Annexes in respect of a client data request
Search/Exam
Jun 16, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2014
Nov 6, 2013
Nov 6, 2013
European search opinion
Search/Exam
Nov 6, 2013
European search report
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Oct 10, 2013
Search started
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Sep 27, 2013
Communication to designated inventor
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Aug 26, 2013
(Electronic) Receipt
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Aug 26, 2013
Designation of inventor
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Aug 26, 2013
Letter accompanying subsequently filed items
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Aug 26, 2013
Letter concerning the inventor
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Aug 5, 2013
(Electronic) Receipt
Search/Exam
Aug 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2013
Letter concerning fees and payments
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Jul 16, 2013
Abstract
Search/Exam
Jul 16, 2013
Jul 16, 2013
Claims
Search/Exam
Jul 16, 2013
Description
Search/Exam
Jul 16, 2013
Request for grant of a European patent
Search/Exam