The patent EP2021614 was granted to Mannhummel on May 31, 2017. The application was originally filed on Apr 18, 2007 under application number EP07728216A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO9741345 |
| INTERNATIONAL-SEARCH-REPORT | DE19951408 |
| INTERNATIONAL-SEARCH-REPORT | DE743418 |
| INTERNATIONAL-SEARCH-REPORT | DE944405 |
| INTERNATIONAL-SEARCH-REPORT | FR1192801 |
| INTERNATIONAL-SEARCH-REPORT | FR1233817 |
| INTERNATIONAL-SEARCH-REPORT | FR1356989 |
| INTERNATIONAL-SEARCH-REPORT | GB602855 |
| OPPOSITION | DE10058479 |
| OPPOSITION | DE19951408 |
| OPPOSITION | DE743418 |
| OPPOSITION | DE944405 |
| OPPOSITION | EP1176355 |
| OPPOSITION | EP1253312 |
| OPPOSITION | FR1192801 |
| OPPOSITION | FR1233617 |
| OPPOSITION | FR1356989 |
| OPPOSITION | GB1507247 |
| OPPOSITION | GB602855 |
| OPPOSITION | US4790864 |
| OPPOSITION | US6048386 |
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Date
Description
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OPPO
May 2, 2019
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OPPO
May 2, 2019
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May 2, 2019
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OPPO
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OPPO
May 2, 2019
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OPPO
May 2, 2019
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May 2, 2019
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May 2, 2019
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OPPO
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May 31, 2017
May 8, 2017
Decision to grant a European patent
Search/Exam
Mar 3, 2017
(Electronic) Receipt
Search/Exam
Mar 3, 2017
Mar 3, 2017
English translation of the claims
Search/Exam
Mar 3, 2017
French translation of claims
Search/Exam
Mar 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2016
Dec 8, 2016
Dec 8, 2016
Intention to grant (signatures)
Search/Exam
Dec 8, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2016
Aug 17, 2016
Amended claims with annotations
Search/Exam
Aug 17, 2016
Claims
Search/Exam
Aug 17, 2016
Aug 11, 2016
Amended claims with annotations
Search/Exam
Aug 11, 2016
Claims
Search/Exam
Aug 11, 2016
Apr 20, 2016
Annex to the communication
Search/Exam
Apr 20, 2016
Communication from the Examining Division
Search/Exam
May 25, 2012
May 23, 2012
Amended description with annotations
Search/Exam
May 23, 2012
Description
Search/Exam
May 23, 2012
Jan 13, 2012
Annex to the communication
Search/Exam
Jan 13, 2012
Communication from the Examining Division
Search/Exam
Dec 22, 2011
Dec 2, 2011
Nov 28, 2011
Jul 17, 2009
Jul 14, 2009
Claims
Search/Exam
Jul 14, 2009
Mar 4, 2009
Annex to the communication
Search/Exam
Mar 4, 2009
Communication from the Examining Division
Search/Exam
Jan 15, 2009
Jan 14, 2009
Dec 30, 2008
Nov 10, 2008
(Electronic) Receipt
Search/Exam
Nov 10, 2008
Request for entry into the European phase
Search/Exam
Oct 10, 2008
Information on entry into European phase
Search/Exam
Jan 2, 2008
Dec 6, 2007
Copy of the international search report
Search/Exam
Dec 6, 2007
Copy of the international search report
Search/Exam
Dec 6, 2007
Published international application - A1
Search/Exam
Jun 15, 2007
Apr 18, 2007
Abstract
PCTRO
Apr 18, 2007
Claims
PCTRO
Apr 18, 2007
Description
PCTRO
Apr 18, 2007
Drawings
PCTRO