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The patent EP2705317 was granted to Hatch on Dec 27, 2017. The application was filed on May 4, 2012 under application number EP12782075A. 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 |
|---|---|---|---|
| OUTOTEC FINLAND | Sep 25, 2018 | BOCO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6238457 |
| DESCRIPTION | WO2009030808 |
| INTERNATIONAL-SEARCH-REPORT | US4210315 |
| INTERNATIONAL-SEARCH-REPORT | US4392885 |
| INTERNATIONAL-SEARCH-REPORT | US5674310 |
| INTERNATIONAL-SEARCH-REPORT | US6238457 |
| INTERNATIONAL-SEARCH-REPORT | WO2009030808 |
| OPPOSITION | FI932458L |
| OPPOSITION | JP2003343810 |
| OPPOSITION | JPH0754058 |
| OPPOSITION | US4331087 |
| OPPOSITION | US5362032 |
| OPPOSITION | WO2009030808 |
| OPPOSITION | WO9814741 |
| SEARCH | JP2007046120 |
| SEARCH | JPS60248832 |
| SEARCH | US2011074070 |
| SEARCH | WO2009030808 |
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 9, 2020
Jul 9, 2020
Jul 6, 2020
Feb 3, 2020
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Jan 24, 2020
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Means of redress
OPPO
Dec 13, 2019
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Oct 25, 2019
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Oct 14, 2019
Oct 9, 2019
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Feb 19, 2019
Feb 13, 2019
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Oct 12, 2018
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Sep 25, 2018
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Sep 25, 2018
Sep 25, 2018
Sep 25, 2018
Sep 25, 2018
Sep 25, 2018
Jun 12, 2018
Jun 7, 2018
Submission concerning representation
Search/Exam
Jan 12, 2018
Nov 30, 2017
Decision to grant a European patent
Search/Exam
Nov 14, 2017
(Electronic) Receipt
Search/Exam
Nov 14, 2017
Filing of the translations of the claims
Search/Exam
Nov 14, 2017
French translation of claims
Search/Exam
Nov 14, 2017
German translation of the claims
Search/Exam
Nov 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2017
Aug 10, 2017
Aug 10, 2017
Intention to grant (signatures)
Search/Exam
Aug 10, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 10, 2017
Apr 11, 2017
Mar 27, 2017
(Electronic) Receipt
Search/Exam
Mar 27, 2017
Enquiry as to the processing of the file
Search/Exam
Mar 27, 2017
Letter accompanying subsequently filed items
Search/Exam
May 26, 2016
(Electronic) Receipt
Search/Exam
May 26, 2016
(Electronic) Receipt
Search/Exam
May 26, 2016
Amended claims with annotations
Search/Exam
May 26, 2016
Amended claims with annotations
Search/Exam
May 26, 2016
Amended claims with annotations
Search/Exam
May 26, 2016
Claims
Search/Exam
May 26, 2016
Claims
Search/Exam
May 26, 2016
Claims
Search/Exam
May 26, 2016
Letter accompanying subsequently filed items
Search/Exam
May 26, 2016
Letter accompanying subsequently filed items
Search/Exam
May 26, 2016
May 26, 2016
Mar 21, 2016
Mar 14, 2016
(Electronic) Receipt
Search/Exam
Mar 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2016
Nov 16, 2015
Annex to the communication
Search/Exam
Nov 16, 2015
Communication from the Examining Division
Search/Exam
Nov 10, 2015
Examination started
Search/Exam
Jul 2, 2015
(Electronic) Receipt
Search/Exam
Jul 2, 2015
Jul 2, 2015
Amended description with annotations
Search/Exam
Jul 2, 2015
Amendments received before examination
Search/Exam
Jul 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2014
Dec 4, 2014
Dec 4, 2014
European search opinion
Search/Exam
Dec 4, 2014
Supplementary European search report
Search/Exam
Nov 27, 2014
Search started
Search/Exam
Feb 12, 2014
Jan 7, 2014
Dec 18, 2013
Communication to designated inventor
Search/Exam
Dec 18, 2013
Communication to designated inventor
Search/Exam
Dec 18, 2013
Communication to designated inventor
Search/Exam
Dec 18, 2013
Communication to designated inventor
Search/Exam
Dec 18, 2013
Communication to designated inventor
Search/Exam
Dec 6, 2013
Dec 5, 2013
(Electronic) Receipt
Search/Exam
Dec 5, 2013
Dec 5, 2013
Request for entry into the European phase
Search/Exam
Sep 20, 2013
Information on entry into European phase
Search/Exam
Dec 5, 2012
Dec 5, 2012
Nov 15, 2012
Copy of the international search report
Search/Exam
Nov 15, 2012
Published international application - A1
Search/Exam