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The patent EP2275509 was granted to Honeywell on Jul 17, 2019. The application was filed on Oct 25, 2004 under application number EP10010521A. 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 |
|---|---|---|---|
| MEXICHEM FLUOR DE CV | Apr 17, 2020 | POTTER CLARKSON | WITHDRAWN |
| AGC | Apr 16, 2020 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
| DAIKIN INDUSTRIES | Apr 16, 2020 | HOFFMANN EITLE | WITHDRAWN |
| ARKEMA FRANCE | Apr 6, 2020 | BANDPAY & GREUTER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4755316 |
| DESCRIPTION | US4788352 |
| DESCRIPTION | US4971712 |
| DESCRIPTION | US4975212 |
| DESCRIPTION | US5008028 |
| DESCRIPTION | US5254280 |
| DESCRIPTION | US6516837 |
| OPPOSITION | EP1191080 |
| OPPOSITION | EP1716216 |
| OPPOSITION | JPH04110388 |
| OPPOSITION | JPH04288452 |
| OPPOSITION | JPH0585970 |
| OPPOSITION | US2002046568 |
| OPPOSITION | US2004089839 |
| OPPOSITION | US2004119047 |
| OPPOSITION | US3723318 |
| OPPOSITION | US5714083 |
| OPPOSITION | US6258292 |
| OPPOSITION | WO0157165 |
| OPPOSITION | WO2004037913 |
| OPPOSITION | WO2005105947 |
| SEARCH | EP0582451 |
| SEARCH | EP1191080 |
| SEARCH | JPH04110388 |
| SEARCH | US3723318 |
| SEARCH | US5053155 |
| SEARCH | US5714083 |
| SEARCH | US6258292 |
| SEARCH | WO2004037913 |
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 16, 2025
Refund of fees
Search/Exam
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
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Mar 26, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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Jul 29, 2019
Jun 21, 2019
Decision to grant a European patent
Search/Exam
Jun 5, 2019
(Electronic) Receipt
Search/Exam
Jun 5, 2019
Filing of the translations of the claims
Search/Exam
Jun 5, 2019
French translation of claims
Search/Exam
Jun 5, 2019
German translation of the claims
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Jun 5, 2019
Letter accompanying subsequently filed items
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Feb 5, 2019
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Intention to grant (signatures)
Search/Exam
Feb 5, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 5, 2019
Feb 12, 2018
(Electronic) Receipt
Search/Exam
Feb 12, 2018
Amended description with annotations
Search/Exam
Feb 12, 2018
Description
Search/Exam
Feb 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2018
Dec 15, 2017
Dec 11, 2017
(Electronic) Receipt
Search/Exam
Dec 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2017
Sep 14, 2017
Submission concerning representation
Search/Exam
Aug 1, 2017
Annex to the communication
Search/Exam
Aug 1, 2017
Communication from the Examining Division
Search/Exam
Jun 1, 2016
Decision to allow further processing
Search/Exam
May 30, 2016
May 17, 2016
May 13, 2016
(Electronic) Receipt
Search/Exam
May 13, 2016
Amended claims with annotations
Search/Exam
May 13, 2016
Claims
Search/Exam
May 13, 2016
Letter accompanying subsequently filed items
Search/Exam
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Request for further processing
Search/Exam
Mar 3, 2016
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Nov 25, 2015
(Electronic) Receipt
Search/Exam
Nov 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2015
Nov 11, 2015
Nov 3, 2015
Jul 22, 2015
Annex to the communication
Search/Exam
Jul 22, 2015
Communication from the Examining Division
Search/Exam
Feb 19, 2015
Feb 4, 2015
Observations by third parties
Search/Exam
Sep 4, 2014
(Electronic) Receipt
Search/Exam
Sep 4, 2014
Amended claims with annotations
Search/Exam
Sep 4, 2014
Claims
Search/Exam
Sep 4, 2014
Description
Search/Exam
Sep 4, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2014
Sep 4, 2014
Jun 18, 2014
CDS Clean up - amended applicant details
Search/Exam
May 7, 2014
Annex to the communication
Search/Exam
May 7, 2014
Communication from the Examining Division
Search/Exam
Apr 30, 2014
Examination started
Search/Exam
Dec 13, 2013
Refund of fees
Search/Exam
Dec 12, 2013
Decision to allow further processing
Search/Exam
Dec 5, 2013
(Electronic) Receipt
Search/Exam
Dec 5, 2013
Dec 5, 2013
Amendments received before examination
Search/Exam
Dec 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2013
Nov 29, 2013
(Electronic) Receipt
Search/Exam
Nov 29, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2013
Letter concerning fees and payments
Search/Exam
Oct 21, 2013
(Electronic) Receipt
Search/Exam
Oct 21, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2013
Request for further processing
Search/Exam
Oct 15, 2013
(Electronic) Receipt
Search/Exam
Oct 15, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2013
Letter concerning fees and payments
Search/Exam
Apr 22, 2013
Apr 3, 2013
Refund of fees
Search/Exam
Mar 20, 2013
Mar 20, 2013
European search opinion
Search/Exam
Mar 20, 2013
European search report
Search/Exam
Jan 20, 2011
Abstract
Search/Exam
Jan 20, 2011
Claims
Search/Exam
Jan 20, 2011
Description
Search/Exam
Jan 20, 2011
Matter concerning the application
Search/Exam
Jan 19, 2011
Abstract
Search/Exam
Jan 19, 2011
Claims
Search/Exam
Jan 19, 2011
Description
Search/Exam
Jan 19, 2011
Matter concerning the application
Search/Exam
Dec 29, 2010
Dec 22, 2010
Notification of forthcoming publication
Search/Exam
Dec 15, 2010
Designation of inventor
Search/Exam
Dec 14, 2010
Cover sheet for fax transmission
Search/Exam
Dec 14, 2010
Designation of inventor
Search/Exam
Nov 22, 2010
Matter concerning the application
Search/Exam
Nov 19, 2010
Note on telephone consultation
Search/Exam
Nov 18, 2010
Matter concerning the application
Search/Exam
Nov 3, 2010
Oct 26, 2010
Deficiency in designation of inventor
Search/Exam
Oct 22, 2010
Notice on debiting of fees
Search/Exam
Oct 7, 2010
Oct 7, 2010
Letter concerning fees and payments
Search/Exam
Sep 28, 2010
Request for grant of a European patent
Search/Exam
Sep 24, 2010
Abstract
Search/Exam
Sep 24, 2010
Claims
Search/Exam
Sep 24, 2010
Description
Search/Exam
Sep 24, 2010
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2010
Letter concerning search matters
Search/Exam
Sep 24, 2010
Matter concerning the application
Search/Exam
Sep 24, 2010
Sep 24, 2010
Submission concerning representation
Search/Exam
May 31, 2005