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The patent EP2084947 was granted to Hypertherm on Aug 10, 2016. The application was filed on Jan 15, 2009 under application number EP09700002A. 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 |
|---|---|---|---|
| B&BARTONI | Dec 13, 2017 | - | INTERVENTION ADMISSIBLE |
| KJELLBERG FINSTERWALDE PLASMA UND MASCHINEN | May 10, 2017 | MANASSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1893004 |
| INTERNATIONAL-SEARCH-REPORT | US2005133484 |
| INTERNATIONAL-SEARCH-REPORT | US4855563 |
| INTERNATIONAL-SEARCH-REPORT | WO2007129194 |
| OPPOSITION | DD83890 |
| OPPOSITION | DE1565241 |
| OPPOSITION | DE19727726 |
| OPPOSITION | DE2131155 |
| OPPOSITION | DE2307018 |
| OPPOSITION | DE2525939 |
| OPPOSITION | DE2842693 |
| OPPOSITION | DE3032335 |
| OPPOSITION | DE4310762 |
| OPPOSITION | DE4407913 |
| OPPOSITION | DE69020885T |
| OPPOSITION | EP1324644 |
| OPPOSITION | EP1732368 |
| OPPOSITION | EP1893004 |
| OPPOSITION | EP2034805 |
| OPPOSITION | US2005133484 |
| OPPOSITION | US4590354 |
| OPPOSITION | US5591356 |
| OPPOSITION | US6207923 |
| OPPOSITION | US6268583 |
| OPPOSITION | WO2006113737 |
| OPPOSITION | WO2006122256 |
| OPPOSITION | WO2008062300 |
| OPPOSITION | WO2008098229 |
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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Appeal
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Appeal
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Claims
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Sep 3, 2019
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
Search/Exam
Jun 28, 2019
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Apr 2, 2019
Claims
OPPO
Apr 2, 2019
Description
OPPO
Apr 2, 2019
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Refund of fees
Search/Exam
Aug 10, 2016
Jul 14, 2016
Decision to grant a European patent
Search/Exam
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Intention to grant (signatures)
Search/Exam
Jun 30, 2016
Text intended for grant
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Jun 29, 2016
Jun 9, 2016
(Electronic) Receipt
Search/Exam
Jun 9, 2016
Amended claims with annotations
Search/Exam
Jun 9, 2016
Claims
Search/Exam
Jun 9, 2016
French translation of claims
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Jun 9, 2016
German translation of the claims
Search/Exam
Jun 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2016
Mar 21, 2016
Mar 21, 2016
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Intention to grant (signatures)
Search/Exam
Mar 21, 2016
Text intended for grant
Search/Exam
Nov 18, 2015
(Electronic) Receipt
Search/Exam
Nov 18, 2015
Amended claims with annotations
Search/Exam
Nov 18, 2015
Claims
Search/Exam
Nov 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2015
Jul 8, 2015
Annex to the communication
Search/Exam
Jul 8, 2015
Communication from the Examining Division
Search/Exam
Apr 2, 2015
(Electronic) Receipt
Search/Exam
Apr 2, 2015
Amended claims with annotations
Search/Exam
Apr 2, 2015
Claims
Search/Exam
Apr 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2015
Feb 18, 2015
Feb 13, 2015
(Electronic) Receipt
Search/Exam
Feb 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2015
Oct 13, 2014
Annex to the communication
Search/Exam
Oct 13, 2014
Communication from the Examining Division
Search/Exam
Mar 13, 2013
(Electronic) Receipt
Search/Exam
Mar 13, 2013
Claims
Search/Exam
Mar 13, 2013
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2013
Jan 9, 2013
Jan 3, 2013
(Electronic) Receipt
Search/Exam
Jan 3, 2013
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2013
Sep 4, 2012
Annex to the communication
Search/Exam
Sep 4, 2012
Communication from the Examining Division
Search/Exam
Jul 24, 2012
(Electronic) Receipt
Search/Exam
Jul 24, 2012
Jul 24, 2012
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2011
Nov 30, 2011
Request for correction
Search/Exam
Oct 29, 2010
Jul 15, 2010
Published international application - A4
Search/Exam
Jul 9, 2010
(Electronic) Receipt
Search/Exam
Jul 9, 2010
Jul 9, 2010
Amended claims with annotations
Search/Exam
Jul 9, 2010
Amendments received before examination
Search/Exam
Jul 9, 2010
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2010
May 25, 2010
(Electronic) Receipt
Search/Exam
May 25, 2010
May 25, 2010
Letter accompanying subsequently filed items
Search/Exam
May 14, 2010
Copy of the international search report
Search/Exam
May 14, 2010
Mar 15, 2010
Mar 15, 2010
Mar 15, 2010
Feb 3, 2010
(Electronic) Receipt
Search/Exam
Feb 3, 2010
General enquiry
Search/Exam
Feb 3, 2010
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2009
Annex
Search/Exam
Oct 15, 2009
Matter concerning the application
Search/Exam
Oct 9, 2009
Annex
Search/Exam
Oct 9, 2009
Matter concerning the application
Search/Exam
Jul 8, 2009
Jun 17, 2009
Annex
PCTISA
May 14, 2009
Published international application - A2
Search/Exam
May 7, 2009
Apr 28, 2009
Mar 27, 2009
Annex
Search/Exam
Mar 27, 2009
Annex
Search/Exam
Mar 27, 2009
Mar 27, 2009
Feb 24, 2009
Feb 13, 2009
Annex
Search/Exam
Feb 13, 2009
Matter concerning the application
Search/Exam
Feb 10, 2009
Matter concerning the application
Search/Exam
Feb 10, 2009
Matter concerning the application
Search/Exam
Feb 6, 2009
(Electronic) Receipt
Search/Exam
Feb 6, 2009
Feb 6, 2009
Amendments received before examination
Search/Exam
Feb 6, 2009
Request for entry into the European phase
Search/Exam
Jan 28, 2009
Abstract
PCTISA
Jan 28, 2009
Claims
PCTISA
Jan 28, 2009
Description
PCTISA
Jan 28, 2009
Drawings
PCTISA