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The patent EP2117909 was granted to Sika Technology on Apr 1, 2020. The application was filed on Dec 21, 2007 under application number EP07858075A. 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 |
|---|---|---|---|
| HENKEL | Apr 5, 2018 | KBN | - |
| L & L PRODUCTS EUROPE | Apr 5, 2018 | KUTZENBERGER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10148770 |
| DESCRIPTION | DE19904630 |
| EXAMINATION | CA2135335 |
| INTERNATIONAL-SEARCH-REPORT | DE10148770 |
| INTERNATIONAL-SEARCH-REPORT | DE19904630 |
| INTERNATIONAL-SEARCH-REPORT | DE20013208U |
| OPPOSITION | CA2135335 |
| OPPOSITION | DE10017783 |
| OPPOSITION | DE10148770 |
| OPPOSITION | DE19904630 |
| OPPOSITION | DE20013208U |
| OPPOSITION | JP2000158471 |
| OPPOSITION | JPH02303575 |
| OPPOSITION | JPH04310477 |
| OPPOSITION | JPH05294258 |
| OPPOSITION | JPS5977973 |
| OPPOSITION | JPS61116509 |
| OPPOSITION | JPS6469308 |
| OPPOSITION | US2004105949 |
| OPPOSITION | US2004131839 |
| OPPOSITION | US2005230027 |
| OPPOSITION | US4610836 |
| OPPOSITION | US5575526 |
| OPPOSITION | US5968995 |
| OPPOSITION | US6159414 |
| OPPOSITION | US6272809 |
| OPPOSITION | WO0196170 |
| OPPOSITION | WO03061934 |
| OPPOSITION | WO03092977 |
| OPPOSITION | WO2004076769 |
| OPPOSITION | WO2004078451 |
| OPPOSITION | WO2004113153 |
| OPPOSITION | WO2005090455 |
| OPPOSITION | WO2006094042 |
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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Refund of fees
OPPO
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Decision to grant a European patent
Search/Exam
May 23, 2017
(Electronic) Receipt
Search/Exam
May 23, 2017
English translation of the claims
Search/Exam
May 23, 2017
Filing of the translations of the claims
Search/Exam
May 23, 2017
French translation of claims
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May 23, 2017
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Feb 2, 2017
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(Electronic) Receipt
Search/Exam
Dec 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2015
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Annex to the communication
Search/Exam
Sep 4, 2015
Communication from the Examining Division
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Sep 9, 2014
(Electronic) Receipt
Search/Exam
Sep 9, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2014
Aug 20, 2014
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(Electronic) Receipt
Search/Exam
Aug 14, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2014
Mar 28, 2014
Feb 27, 2014
Annex to the communication
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Feb 27, 2014
Communication from the Examining Division
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Aug 14, 2013
(Electronic) Receipt
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Aug 14, 2013
General enquiry
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Aug 14, 2013
Letter accompanying subsequently filed items
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Sep 20, 2012
(Electronic) Receipt
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Sep 20, 2012
Claims
Search/Exam
Sep 20, 2012
Letter accompanying subsequently filed items
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Sep 20, 2012
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Annex to the communication
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May 10, 2012
Communication from the Examining Division
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Aug 15, 2011
(Electronic) Receipt
Search/Exam
Aug 15, 2011
Claims
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Aug 15, 2011
Description
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Aug 15, 2011
Letter accompanying subsequently filed items
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Aug 15, 2011
Jun 14, 2011
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(Electronic) Receipt
Search/Exam
Jun 8, 2011
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2011
Feb 3, 2011
Annex to the communication
Search/Exam
Feb 3, 2011
Communication from the Examining Division
Search/Exam
Oct 21, 2009
Aug 26, 2009
Refund order of filing/examination fee
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Aug 18, 2009
Aug 12, 2009
Refund of fees
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Jul 22, 2009
(Electronic) Receipt
Search/Exam
Jul 22, 2009
Request for entry into the European phase
Search/Exam
Jul 8, 2009
May 8, 2009
Information on entry into European phase
Search/Exam
Jul 21, 2008
Jul 3, 2008
Copy of the international search report
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Jul 3, 2008
Copy of the international search report
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Jul 3, 2008
Published international application - A1
Search/Exam
Dec 21, 2007
(Electronic) Receipt
PCTRO
Dec 21, 2007
Abstract
PCTRO
Dec 21, 2007
Claims
PCTRO
Dec 21, 2007
Description
PCTRO
Dec 21, 2007
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Dec 21, 2007