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The patent EP3102587 was granted to Knauf Insulation on Jul 4, 2018. The application was filed on Feb 6, 2015 under application number EP15707200A. 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 |
|---|---|---|---|
| ROCKWOOL | Apr 4, 2019 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
| URSA INSULATION | Apr 3, 2019 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| SAINT GOBAIN | Mar 29, 2019 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2007014236 |
| DESCRIPTION | WO2009019235 |
| INTERNATIONAL-SEARCH-REPORT | WO2007014236 |
| INTERNATIONAL-SEARCH-REPORT | WO2009019235 |
| OPPOSITION | EP1521807 |
| OPPOSITION | EP2164883 |
| OPPOSITION | EP2223941 |
| OPPOSITION | EP2457943 |
| OPPOSITION | EP2549006 |
| OPPOSITION | EP2576882 |
| OPPOSITION | EP2923835 |
| OPPOSITION | EP2969448 |
| OPPOSITION | US2010320113 |
| OPPOSITION | US2013140481 |
| OPPOSITION | US2013327250 |
| OPPOSITION | US2014120348 |
| OPPOSITION | US8597532 |
| OPPOSITION | WO2007014236 |
| OPPOSITION | WO2008127936 |
| OPPOSITION | WO2009019235 |
| OPPOSITION | WO2010106181 |
| OPPOSITION | WO2011123593 |
| OPPOSITION | WO2011154368 |
| OPPOSITION | WO2013030390 |
| OPPOSITION | WO2013179323 |
| OPPOSITION | WO2014165176 |
| OPPOSITION | WO2015120252 |
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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Feb 27, 2024
Refund of fees
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Examination started
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Amended claims with annotations
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Request for entry into the European phase
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Notification of the recording of a change
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Information on entry into European phase
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Copy of the international search report
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Aug 13, 2015
Published international application - A1
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Abstract
PCTISA
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Annex
PCTISA
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Claims
PCTISA
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Description
PCTISA