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The patent EP3591022 was granted to M Innovative Properties on Jul 21, 2021. The application was filed on Jun 15, 2010 under application number EP19187213A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| SAINT GOBAIN | Apr 21, 2022 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| VSM VEREINIGTE SCHMIRGEL UND MASCHINEN FABRIKEN | Apr 19, 2022 | BREMER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19610612191 |
| DESCRIPTION | US19650610169 |
| DESCRIPTION | US19680611382 |
| DESCRIPTION | US20080336961 |
| DESCRIPTION | US20080337001 |
| DESCRIPTION | US20080337075 |
| DESCRIPTION | US20080337112 |
| DESCRIPTION | US20090570067 |
| DESCRIPTION | EP0293163 |
| DESCRIPTION | US1910444 |
| DESCRIPTION | US3041156 |
| DESCRIPTION | US4314827 |
| DESCRIPTION | US4744802 |
| DESCRIPTION | US4799939 |
| DESCRIPTION | US4997461 |
| DESCRIPTION | US5009675 |
| DESCRIPTION | US5011508 |
| DESCRIPTION | US5042991 |
| DESCRIPTION | US5078753 |
| DESCRIPTION | US5085671 |
| DESCRIPTION | US5152917 |
| DESCRIPTION | US5201916 |
| DESCRIPTION | US5213591 |
| DESCRIPTION | US5366523 |
| DESCRIPTION | US5435816 |
| DESCRIPTION | US5441549 |
| DESCRIPTION | US5551963 |
| DESCRIPTION | US5645619 |
| DESCRIPTION | US5672097 |
| DESCRIPTION | US5946991 |
| DESCRIPTION | US5975987 |
| DESCRIPTION | US5984988 |
| DESCRIPTION | US6129540 |
| DESCRIPTION | US6277161 |
| DESCRIPTION | US6843815 |
| DESCRIPTION | USRE35570E |
| EXAMINATION | EP0615816 |
| OPPOSITION | AT363797B |
| OPPOSITION | EP0615816 |
| OPPOSITION | EP1148028 |
| OPPOSITION | EP2373755 |
| OPPOSITION | GB564733 |
| OPPOSITION | US2003022783 |
| OPPOSITION | US2010151196 |
| OPPOSITION | US2373747 |
| OPPOSITION | US2978850 |
| OPPOSITION | US3387957 |
| OPPOSITION | US3481723 |
| OPPOSITION | US3808747 |
| OPPOSITION | US4261706 |
| OPPOSITION | US4314827 |
| OPPOSITION | US5152917 |
| OPPOSITION | US5213591 |
| OPPOSITION | US5286687 |
| OPPOSITION | US5366523 |
| OPPOSITION | US5441549 |
| OPPOSITION | US5496386 |
| OPPOSITION | US5500273 |
| OPPOSITION | US5584896 |
| OPPOSITION | US5672097 |
| OPPOSITION | US5759213 |
| OPPOSITION | US5885311 |
| OPPOSITION | US5984988 |
| OPPOSITION | US6054093 |
| OPPOSITION | US6261682 |
| OPPOSITION | US6309775 |
| OPPOSITION | US6319108 |
| OPPOSITION | WO2006101306 |
| SEARCH | EP1148028 |
| SEARCH | US5152917 |
| SEARCH | US5213591 |
| SEARCH | US5286687 |
| SEARCH | US5672097 |
| SEARCH | US5759213 |
| SEARCH | US5885311 |
| SEARCH | WO2006101306 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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May 21, 2021
Filing of the translations of the claims
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French translation of claims
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May 21, 2021
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(Electronic) Receipt
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Claims
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Description
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Nov 10, 2020
Letter accompanying subsequently filed items
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Nov 10, 2020
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Annex to the communication
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Jul 3, 2020
Communication from the Examining Division
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Jun 29, 2020
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May 11, 2020
(Electronic) Receipt
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May 11, 2020
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Amended claims with annotations
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May 11, 2020
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May 11, 2020
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Refund of fees
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European search opinion
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Nov 12, 2019
European search report
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Nov 12, 2019
Information on Search Strategy
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Oct 31, 2019
Search started
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Oct 11, 2019
Communication to designated inventor
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Aug 26, 2019
Designation of inventor
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Aug 26, 2019
Letter concerning the inventor
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Jul 19, 2019
Abstract
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Jul 19, 2019
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Annex
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Jul 19, 2019
Annex
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Jul 19, 2019
Claims
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Jul 19, 2019
Description
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Jul 19, 2019
Drawings
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Jul 19, 2019
Request for grant of a European patent
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Feb 4, 2011
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