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The patent EP2598590 was granted to Zephyros on Nov 13, 2019. The application was filed on Jul 26, 2011 under application number EP11746457A. 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 |
|---|---|---|---|
| TESA | Aug 13, 2020 | DAVEPON | ADMISSIBLE |
| SIKA TECHNOLOGY | Aug 10, 2020 | SIKA PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004204551 |
| DESCRIPTION | US3944631 |
| DESCRIPTION | US3984497 |
| DESCRIPTION | US3985703 |
| DESCRIPTION | US4034013 |
| DESCRIPTION | US4096202 |
| DESCRIPTION | US4304709 |
| DESCRIPTION | US4306040 |
| DESCRIPTION | US4495324 |
| DESCRIPTION | US4536436 |
| DESCRIPTION | US5275853 |
| DESCRIPTION | US5464924 |
| DESCRIPTION | US5962093 |
| DESCRIPTION | WO2009124709 |
| INTERNATIONAL-SEARCH-REPORT | EP1900787 |
| INTERNATIONAL-SEARCH-REPORT | US2009280330 |
| OPPOSITION | DE102006035787 |
| OPPOSITION | DE102007038458 |
| OPPOSITION | EP2182025 |
| OPPOSITION | EP2368955 |
| OPPOSITION | EP2368956 |
| OPPOSITION | EP2368957 |
| OPPOSITION | JPH0641435 |
| OPPOSITION | US2008060742 |
| OPPOSITION | US2008308212 |
| OPPOSITION | US2009280330 |
| OPPOSITION | WO0027920 |
| OPPOSITION | WO2009124709 |
| OPPOSITION | WO2010000371 |
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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Description
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Refund of fees
Appeal
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Authorisation
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Appeal
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Nov 25, 2019
Oct 17, 2019
Decision to grant a European patent
Search/Exam
Oct 1, 2019
(Electronic) Receipt
Search/Exam
Oct 1, 2019
Filing of the translations of the claims
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Oct 1, 2019
French translation of claims
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German translation of the claims
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Oct 1, 2019
Letter accompanying subsequently filed items
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Aug 21, 2019
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Intention to grant (signatures)
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Aug 21, 2019
Text intended for grant (clean copy)
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Aug 21, 2019
Nov 19, 2018
Submission concerning representation
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Mar 20, 2018
(Electronic) Receipt
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Mar 20, 2018
Claims
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Mar 20, 2018
Letter accompanying subsequently filed items
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Oct 27, 2017
Annex to the communication
Search/Exam
Oct 27, 2017
Communication from the Examining Division
Search/Exam
Oct 23, 2017
Examination started
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Jul 26, 2017
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Nov 17, 2015
(Electronic) Receipt
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Nov 17, 2015
Letter accompanying subsequently filed items
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Nov 17, 2015
Sep 13, 2013
(Electronic) Receipt
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Sep 13, 2013
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Amendments received before examination
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Sep 13, 2013
Letter accompanying subsequently filed items
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May 8, 2013
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Communication to designated inventor
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Feb 27, 2013
(Electronic) Receipt
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Feb 27, 2013
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Request for entry into the European phase
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Dec 7, 2012
Information on entry into European phase
Search/Exam
Sep 4, 2012
Aug 30, 2012
Copy of the international search report
Search/Exam
Aug 30, 2012
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Feb 22, 2012
Feb 2, 2012
Published international application - A2
Search/Exam
Jul 29, 2011
Abstract
PCTRO
Jul 29, 2011
Claims
PCTRO
Jul 29, 2011
Description
PCTRO