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The patent EP2539100 was granted to Illinois Tool Works on Apr 7, 2021. The application was filed on Feb 11, 2011 under application number EP11705131A. 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 |
|---|---|---|---|
| FRONIUS | Feb 12, 2018 | ISARPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB1340325 |
| DESCRIPTION | US2006131293 |
| DESCRIPTION | US2006163230 |
| DESCRIPTION | US2008257874 |
| INTERNATIONAL-SEARCH-REPORT | GB1340325 |
| INTERNATIONAL-SEARCH-REPORT | JPS60206579 |
| INTERNATIONAL-SEARCH-REPORT | US2006131293 |
| INTERNATIONAL-SEARCH-REPORT | US2006163230 |
| INTERNATIONAL-SEARCH-REPORT | US2008257874 |
| OPPOSITION | EP1905533 |
| OPPOSITION | GB1340325 |
| OPPOSITION | JP2004216453 |
| OPPOSITION | JPS60206579 |
| OPPOSITION | US2005224466 |
| OPPOSITION | US2006131291 |
| OPPOSITION | US2006131293 |
| OPPOSITION | US2006163230 |
| OPPOSITION | US2007262064 |
| OPPOSITION | US2008149608 |
| OPPOSITION | US2008156782 |
| OPPOSITION | US2008257874 |
| OPPOSITION | US2009173726 |
| OPPOSITION | US5935458 |
| OPPOSITION | US6627850 |
| OPPOSITION | WO2008130754 |
| OPPOSITION | WO2009129551 |
| OPPOSITION | WO9958286 |
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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Decision to grant a European patent
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Filing of the translations of the claims
Search/Exam
Mar 30, 2017
French translation of claims
Search/Exam
Mar 30, 2017
German translation of the claims
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Dec 1, 2016
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
Feb 10, 2015
Amended claims with annotations
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Feb 10, 2015
Amended description with annotations
Search/Exam
Feb 10, 2015
Claims
Search/Exam
Feb 10, 2015
Description
Search/Exam
Feb 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2015
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Annex to the communication
Search/Exam
Oct 1, 2014
Communication from the Examining Division
Search/Exam
Apr 1, 2014
(Electronic) Receipt
Search/Exam
Apr 1, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2014
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Annex to the communication
Search/Exam
Nov 29, 2013
Communication from the Examining Division
Search/Exam
Nov 25, 2013
Examination started
Search/Exam
Apr 9, 2013
(Electronic) Receipt
Search/Exam
Apr 9, 2013
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
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Amendments received before examination
Search/Exam
Apr 9, 2013
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
Sep 28, 2012
Communication to designated inventor
Search/Exam
Sep 11, 2012
Aug 9, 2012
(Electronic) Receipt
Search/Exam
Aug 9, 2012
Request for entry into the European phase
Search/Exam
Jul 6, 2012
Information on entry into European phase
Search/Exam
Sep 21, 2011
Sep 1, 2011
Copy of the international search report
Search/Exam
Sep 1, 2011
Published international application - A1
Search/Exam
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