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The patent EP2546221 was granted to Honeywell on May 1, 2024. The application was filed on Jan 3, 2007 under application number EP12178198A. 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 |
|---|---|---|---|
| ARKEMA FRANCE | Apr 16, 2018 | ARKEMA PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2931840 |
| DESCRIPTION | US4900874 |
| DESCRIPTION | US5162594 |
| OPPOSITION | US2996555 |
| OPPOSITION | WO2005012212 |
| OPPOSITION | WO2005042451 |
| OPPOSITION | WO2007079431 |
| OTHER | WO2005012212 |
| OTHER | WO2005042451 |
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.
Date
Description
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Apr 5, 2024
Apr 5, 2024
Mar 26, 2024
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Jan 23, 2024
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 6, 2023
(Electronic) Receipt
Appeal
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Nov 24, 2023
Nov 24, 2023
Oct 31, 2023
Oct 26, 2023
(Electronic) Receipt
Appeal
Oct 26, 2023
Oct 26, 2023
Sep 25, 2023
Sep 25, 2023
Sep 20, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 15, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 11, 2023
(Electronic) Receipt
Appeal
Sep 11, 2023
Sep 11, 2023
Nov 23, 2022
Nov 23, 2022
Nov 18, 2022
Dec 20, 2021
Dec 14, 2021
(Electronic) Receipt
Appeal
Dec 14, 2021
Dec 14, 2021
Aug 9, 2021
Jul 29, 2021
(Electronic) Receipt
Appeal
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 28, 2021
Jul 22, 2021
(Electronic) Receipt
Appeal
Jul 22, 2021
Claims
Appeal
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Apr 8, 2021
Apr 8, 2021
Sep 15, 2020
Jul 8, 2020
Apr 30, 2020
Apr 23, 2020
(Electronic) Receipt
Appeal
Apr 23, 2020
Apr 23, 2020
Claims
Appeal
Apr 23, 2020
Apr 23, 2020
Reply to appeal
Appeal
Dec 17, 2019
Dec 12, 2019
(Electronic) Receipt
Appeal
Dec 12, 2019
Dec 12, 2019
Oct 9, 2019
Oct 9, 2019
Oct 3, 2019
(Electronic) Receipt
Appeal
Oct 3, 2019
Oct 3, 2019
Notice of appeal
Appeal
Aug 28, 2019
Aug 26, 2019
Aug 9, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
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Means of redress
OPPO
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Jul 18, 2019
May 16, 2019
May 16, 2019
May 13, 2019
May 13, 2019
May 13, 2019
May 13, 2019
May 13, 2019
May 13, 2019
Claims
OPPO
May 13, 2019
Claims
OPPO
May 13, 2019
Claims
OPPO
May 13, 2019
May 13, 2019
May 13, 2019
May 13, 2019
Dec 17, 2018
Dec 14, 2018
Dec 10, 2018
Dec 6, 2018
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Sep 26, 2018
Sep 21, 2018
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Claims
OPPO
Sep 21, 2018
Sep 21, 2018
May 14, 2018
May 14, 2018
Apr 19, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Apr 16, 2018
Jan 3, 2018
Dec 20, 2017
Dec 12, 2017
Dec 1, 2017
Sep 14, 2017
Submission concerning representation
Search/Exam
Jul 26, 2017
Jun 29, 2017
Decision to grant a European patent
Search/Exam
Jun 16, 2017
(Electronic) Receipt
Search/Exam
Jun 16, 2017
Filing of the translations of the claims
Search/Exam
Jun 16, 2017
French translation of claims
Search/Exam
Jun 16, 2017
German translation of the claims
Search/Exam
Jun 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Intention to grant (signatures)
Search/Exam
Feb 8, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 8, 2017
Jul 25, 2016
(Electronic) Receipt
Search/Exam
Jul 25, 2016
Amended claims with annotations
Search/Exam
Jul 25, 2016
Amended description with annotations
Search/Exam
Jul 25, 2016
Claims
Search/Exam
Jul 25, 2016
Description
Search/Exam
Jul 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2016
Jun 1, 2016
May 27, 2016
(Electronic) Receipt
Search/Exam
May 27, 2016
Letter accompanying subsequently filed items
Search/Exam
May 27, 2016
Jan 18, 2016
Annex to the communication
Search/Exam
Jan 18, 2016
Communication from the Examining Division
Search/Exam
Jan 4, 2016
Dec 17, 2015
Observations by third parties
Search/Exam
Dec 17, 2015
Observations by third parties
Search/Exam
Nov 13, 2015
(Electronic) Receipt
Search/Exam
Nov 13, 2015
Claims
Search/Exam
Nov 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2015
Nov 11, 2015
Nov 3, 2015
Sep 18, 2015
Sep 14, 2015
(Electronic) Receipt
Search/Exam
Sep 14, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2015
May 7, 2015
May 6, 2015
Annex to the communication
Search/Exam
May 6, 2015
Communication from the Examining Division
Search/Exam
Apr 30, 2015
Observations by third parties
Search/Exam
Apr 30, 2015
Observations by third parties
Search/Exam
Jul 10, 2014
(Electronic) Receipt
Search/Exam
Jul 10, 2014
Amended claims with annotations
Search/Exam
Jul 10, 2014
Claims
Search/Exam
Jul 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2014
Jun 16, 2014
Jun 9, 2014
(Electronic) Receipt
Search/Exam
Jun 9, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2014
Mar 4, 2014
Feb 26, 2014
Jan 30, 2014
Annex to the communication
Search/Exam
Jan 30, 2014
Communication from the Examining Division
Search/Exam
Nov 7, 2013
(Electronic) Receipt
Search/Exam
Nov 7, 2013
Nov 7, 2013
Amended claims with annotations
Search/Exam
Nov 7, 2013
Amendments received before examination
Search/Exam
Nov 7, 2013
Letter accompanying subsequently filed items
Search/Exam
May 14, 2013
Refund of fees
Search/Exam
May 14, 2013
Apr 10, 2013
Apr 10, 2013
European search opinion
Search/Exam
Apr 10, 2013
European search report
Search/Exam
Mar 27, 2013
Communication to designated inventor
Search/Exam
Mar 27, 2013
Communication to designated inventor
Search/Exam
Mar 21, 2013
(Electronic) Receipt
Search/Exam
Mar 21, 2013
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2013
Letter concerning the inventor
Search/Exam
Mar 21, 2013
Letter concerning the inventor
Search/Exam
Mar 11, 2013
Feb 26, 2013
Letter which had not been notified
Search/Exam
Feb 12, 2013
Jan 23, 2013
Letter which had not been notified
Search/Exam
Jan 18, 2013
Communication to designated inventor
Search/Exam
Dec 19, 2012
Notification of forthcoming publication
Search/Exam
Dec 10, 2012
Letter which had not been notified
Search/Exam
Nov 21, 2012
(Electronic) Receipt
Search/Exam
Nov 21, 2012
Claims
Search/Exam
Nov 21, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2012
Matter concerning the application
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 20, 2012
Communication to designated inventor
Search/Exam
Nov 9, 2012
(Electronic) Receipt
Search/Exam
Nov 9, 2012
Designation of inventor
Search/Exam
Nov 9, 2012
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2012
Deficiency in designation of inventor
Search/Exam
Sep 13, 2012
Invitation to file claims
Search/Exam
Aug 22, 2012
(Electronic) Receipt
Search/Exam
Aug 22, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2012
Letter concerning fees and payments
Search/Exam
Jul 27, 2012
Abstract
Search/Exam
Jul 27, 2012
Jul 27, 2012
Description
Search/Exam
Jul 27, 2012
Letter concerning search matters
Search/Exam
Jul 27, 2012
Matter concerning the application
Search/Exam
Jul 27, 2012
Request for grant of a European patent
Search/Exam
Jul 27, 2012
Submission concerning representation
Search/Exam
Jul 31, 2007