The patent EP2442626 was granted to Hypertherm on Dec 16, 2020. The application was originally filed on Feb 20, 2007 under application number EP11189048A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4791268 |
| DESCRIPTION | US4902871 |
| DESCRIPTION | US5994663 |
| DESCRIPTION | US6133543 |
| DESCRIPTION | US6403915 |
| EXAMINATION | EP0591018 |
| EXAMINATION | US2002117482 |
| OPPOSITION | EP0350486 |
| OPPOSITION | EP0591018 |
| OPPOSITION | JP2005288446 |
| OPPOSITION | US2002117482 |
| OPPOSITION | US2002117483 |
| OPPOSITION | US3004189 |
| OPPOSITION | US3210586 |
| OPPOSITION | US5796067 |
| OPPOSITION | US5994663 |
| OPPOSITION | US6368451 |
| OPPOSITION | WO8805704 |
| SEARCH | US2002117483 |
| SEARCH | US3210586 |
| SEARCH | US4791268 |
| SEARCH | US5796067 |
| SEARCH | US6368451 |
| SEARCH | WO8805704 |
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Date
Description
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Apr 4, 2023
Apr 4, 2023
Mar 30, 2023
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Means of redress
OPPO
Dec 21, 2022
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Feb 9, 2022
Sep 30, 2021
Sep 30, 2021
Sep 28, 2021
Refund of fees
OPPO
Sep 27, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
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Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
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Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Jan 11, 2021
Nov 19, 2020
Decision to grant a European patent
Search/Exam
Nov 5, 2020
(Electronic) Receipt
Search/Exam
Nov 5, 2020
Filing of the translations of the claims
Search/Exam
Nov 5, 2020
French translation of claims
Search/Exam
Nov 5, 2020
German translation of the claims
Search/Exam
Nov 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Intention to grant (signatures)
Search/Exam
Oct 7, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 7, 2020
Aug 26, 2020
(Electronic) Receipt
Search/Exam
Aug 26, 2020
Claims
Search/Exam
Aug 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Intention to grant (signatures)
Search/Exam
Jul 17, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 17, 2020
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2020
Mar 10, 2020
Annex to the communication
Search/Exam
Mar 10, 2020
Communication from the Examining Division
Search/Exam
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Amended claims with annotations
Search/Exam
Feb 10, 2020
Claims
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
Oct 9, 2019
Annex to the communication
Search/Exam
Oct 9, 2019
Communication from the Examining Division
Search/Exam
Sep 1, 2019
(Electronic) Receipt
Search/Exam
Sep 1, 2019
Amended claims with annotations
Search/Exam
Sep 1, 2019
Claims
Search/Exam
Sep 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2019
Apr 26, 2019
Annex to the communication
Search/Exam
Apr 26, 2019
Communication from the Examining Division
Search/Exam
Mar 29, 2018
(Electronic) Receipt
Search/Exam
Mar 29, 2018
Amended claims with annotations
Search/Exam
Mar 29, 2018
Claims
Search/Exam
Mar 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2018
Feb 20, 2018
Feb 14, 2018
Dec 22, 2017
Annex to the communication
Search/Exam
Dec 22, 2017
Communication from the Examining Division
Search/Exam
Dec 19, 2017
Examination started
Search/Exam
Jun 14, 2016
(Electronic) Receipt
Search/Exam
Jun 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Dec 21, 2015
Nov 18, 2015
Nov 18, 2015
European search opinion
Search/Exam
Nov 18, 2015
European search report
Search/Exam
Nov 18, 2015
Information on Search Strategy
Search/Exam
Nov 12, 2015
Search started
Search/Exam
Mar 21, 2012
Notification of forthcoming publication
Search/Exam
Feb 17, 2012
(Electronic) Receipt
Search/Exam
Feb 17, 2012
Feb 17, 2012
Amendments received before examination
Search/Exam
Feb 17, 2012
Claims
Search/Exam
Feb 17, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2011
Abstract
Search/Exam
Nov 14, 2011
Nov 14, 2011
Description
Search/Exam
Nov 14, 2011
Designation of inventor
Search/Exam
Nov 14, 2011
Designation of inventor
Search/Exam
Nov 14, 2011
Designation of inventor
Search/Exam
Nov 14, 2011
Drawings
Search/Exam
Nov 14, 2011
Request for grant of a European patent
Search/Exam
Sep 18, 2007