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The patent EP2574455 was granted to Kronoplus Technical on Oct 25, 2023. The application was filed on Aug 16, 2006 under application number EP12180598A. 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 |
|---|---|---|---|
| FRITZ EGGER | Apr 23, 2018 | COHAUSZ & FLORACK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DD240524 |
| OPPOSITION | DE19913589 |
| OPPOSITION | DE20009571U |
| OPPOSITION | DE3215505 |
| OPPOSITION | DE3736151 |
| OPPOSITION | DE4122842 |
| OPPOSITION | DE4218444 |
| OPPOSITION | GB1551940 |
| OPPOSITION | US2686143 |
| OPPOSITION | US3287855 |
| OPPOSITION | US5418282 |
| OPPOSITION | US6767490 |
| SEARCH | DE4438764 |
| SEARCH | EP0573039 |
| SEARCH | US2004067334 |
| SEARCH | WO03013811 |
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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Sep 28, 2023
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OPPO
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Description
OPPO
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Description
OPPO
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(Electronic) Receipt
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(Electronic) Receipt
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Advice of delivery
Appeal
Jul 27, 2020
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 3, 2020
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Notice of appeal
Appeal
Dec 2, 2019
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OPPO
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OPPO
Aug 8, 2019
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OPPO
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OPPO
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OPPO
Aug 8, 2019
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OPPO
Aug 8, 2019
Claims
OPPO
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OPPO
Aug 8, 2019
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OPPO
Aug 8, 2019
Claims
OPPO
Aug 8, 2019
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OPPO
Aug 8, 2019
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OPPO
Aug 8, 2019
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OPPO
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OPPO
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OPPO
Aug 8, 2019
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OPPO
Aug 8, 2019
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OPPO
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OPPO
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Aug 10, 2017
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Decision to grant a European patent
Search/Exam
Jul 4, 2017
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Intention to grant (signatures)
Search/Exam
Jul 4, 2017
Jul 4, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 4, 2017
May 9, 2017
Claims
Search/Exam
May 9, 2017
English translation of the claims
Search/Exam
May 9, 2017
French translation of claims
Search/Exam
May 9, 2017
Payment of fees and costs
Search/Exam
May 9, 2017
Jan 24, 2017
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Intention to grant (signatures)
Search/Exam
Jan 24, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 24, 2017
Dec 23, 2015
Submission concerning representation
Search/Exam
Dec 17, 2015
Submission concerning representation
Search/Exam
Feb 12, 2015
Amended claims with annotations
Search/Exam
Feb 12, 2015
Claims
Search/Exam
Feb 12, 2015
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Dec 29, 2014
Aug 26, 2014
Submission concerning representation
Search/Exam
Aug 25, 2014
Submission concerning representation
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Aug 18, 2014
Annex to the communication
Search/Exam
Aug 18, 2014
Communication from the Examining Division
Search/Exam
Dec 17, 2013
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Priority search results
Search/Exam
Dec 12, 2013
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Oct 17, 2013
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Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 2, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 26, 2013
Letter concerning fees and payments
Search/Exam
Sep 26, 2013
Payment of fees and costs
Search/Exam
Sep 17, 2013
Jul 19, 2013
Apr 15, 2013
Refund of fees
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Apr 8, 2013
Mar 6, 2013
Notification of forthcoming publication
Search/Exam
Mar 4, 2013
Mar 4, 2013
European search opinion
Search/Exam
Mar 4, 2013
European search report
Search/Exam
Aug 16, 2012
Abstract
Search/Exam
Aug 16, 2012
Aug 16, 2012
Claims
Search/Exam
Aug 16, 2012
Description
Search/Exam
Aug 16, 2012
Drawings
Search/Exam
Aug 16, 2012
Previously filed application
Search/Exam
Aug 16, 2012
Request for grant of a European patent
Search/Exam
Apr 12, 2007