The weekly litigation news digest is live. Subscribe now
The patent EP2277972 was granted to Honeywell on Mar 13, 2019. The application was filed on Oct 27, 2003 under application number EP10011164A. 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 |
|---|---|---|---|
| DAIKIN INDUSTRIES | Dec 13, 2019 | HOFFMANN EITLE | - |
| MEXICHEM FLUOR DE CV | Dec 12, 2019 | POTTER CLARKSON | - |
| ARKEMA FRANCE | Oct 1, 2019 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0974571 |
| DESCRIPTION | US2834748 |
| DESCRIPTION | US2846458 |
| DESCRIPTION | US2889379 |
| DESCRIPTION | US2917480 |
| DESCRIPTION | US3085918 |
| DESCRIPTION | US4465786 |
| DESCRIPTION | US4788352 |
| DESCRIPTION | US4798818 |
| DESCRIPTION | US5532419 |
| DESCRIPTION | US6516837 |
| EXAMINATION | JPH0585970 |
| EXAMINATION | US5053155 |
| OPPOSITION | EP1191080 |
| OPPOSITION | EP1563032 |
| OPPOSITION | JPH04110388 |
| OPPOSITION | JPH0585970 |
| OPPOSITION | RU2073058 |
| OPPOSITION | US3723318 |
| OPPOSITION | US5053155 |
| OPPOSITION | US5536881 |
| OPPOSITION | US5611210 |
| OPPOSITION | US5714083 |
| OPPOSITION | US6111150 |
| OPPOSITION | US6258292 |
| OPPOSITION | WO2010075046 |
| OTHER | EP1563032 |
| SEARCH | JPH04109897 |
| SEARCH | JPH05179043 |
| SEARCH | US2001032960 |
| SEARCH | US3723318 |
| SEARCH | US5714083 |
| SEARCH | US6300378 |
| SEARCH | WO9805732 |
| SEARCH | WO9813437 |
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
Get instant alerts for new documents
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Oct 1, 2020
Jul 27, 2020
Jul 23, 2020
Jul 22, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Jul 17, 2020
Jul 16, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
May 27, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 20, 2020
May 18, 2020
May 18, 2020
May 18, 2020
May 12, 2020
May 12, 2020
May 12, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 14, 2020
Jan 13, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Dec 19, 2019
Dec 18, 2019
Dec 18, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Oct 8, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Mar 25, 2019
Feb 14, 2019
Decision to grant a European patent
Search/Exam
Jan 28, 2019
(Electronic) Receipt
Search/Exam
Jan 28, 2019
Filing of the translations of the claims
Search/Exam
Jan 28, 2019
French translation of claims
Search/Exam
Jan 28, 2019
German translation of the claims
Search/Exam
Jan 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2018
Sep 18, 2018
Sep 18, 2018
Intention to grant (signatures)
Search/Exam
Sep 18, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 18, 2018
Jun 1, 2018
(Electronic) Receipt
Search/Exam
Jun 1, 2018
Annex
Search/Exam
Jun 1, 2018
Citation for the examination procedure
Search/Exam
Jun 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
Mar 8, 2018
Annex to the communication
Search/Exam
Mar 8, 2018
Communication from the Examining Division
Search/Exam
Nov 24, 2017
(Electronic) Receipt
Search/Exam
Nov 24, 2017
Amended claims with annotations
Search/Exam
Nov 24, 2017
Amended description with annotations
Search/Exam
Nov 24, 2017
Claims
Search/Exam
Nov 24, 2017
Description
Search/Exam
Nov 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2017
Nov 22, 2017
Annex to the communication
Search/Exam
Nov 22, 2017
Communication from the Examining Division
Search/Exam
Nov 16, 2017
Nov 10, 2017
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Non-patent literature filed by a third party
Search/Exam
Oct 30, 2017
Observations by third parties
Search/Exam
Oct 30, 2017
Patent document filed by a Third party
Search/Exam
Oct 30, 2017
Patent document filed by a Third party
Search/Exam
Oct 30, 2017
Patent document filed by a Third party
Search/Exam
Oct 30, 2017
Patent document filed by a Third party
Search/Exam
Oct 30, 2017
Patent document filed by a Third party
Search/Exam
Oct 10, 2017
Oct 10, 2017
Oct 9, 2017
Oct 3, 2017
(Electronic) Receipt
Search/Exam
Oct 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2017
Observations by third parties
Search/Exam
Sep 14, 2017
Submission concerning representation
Search/Exam
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Intention to grant (signatures)
Search/Exam
Jul 24, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 24, 2017
Apr 4, 2017
(Electronic) Receipt
Search/Exam
Apr 4, 2017
Amended description with annotations
Search/Exam
Apr 4, 2017
Description
Search/Exam
Apr 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2017
Feb 23, 2017
Annex to the communication
Search/Exam
Feb 23, 2017
Communication from the Examining Division
Search/Exam
Feb 17, 2017
Examination started
Search/Exam
Dec 16, 2016
(Electronic) Receipt
Search/Exam
Dec 16, 2016
(Electronic) Receipt
Search/Exam
Dec 16, 2016
Dec 16, 2016
Amended claims with annotations
Search/Exam
Dec 16, 2016
Amendments received before examination
Search/Exam
Dec 16, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2016
Letter accompanying subsequently filed items
Search/Exam
May 30, 2016
May 17, 2016
Nov 11, 2015
Nov 3, 2015
Apr 23, 2015
Decision to allow further processing
Search/Exam
Apr 13, 2015
(Electronic) Receipt
Search/Exam
Apr 13, 2015
Apr 13, 2015
Amendments received before examination
Search/Exam
Apr 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2015
Jun 30, 2014
Jun 18, 2014
CDS Clean up - amended applicant details
Search/Exam
Jun 18, 2014
Refund of fees
Search/Exam
May 22, 2014
May 22, 2014
European search opinion
Search/Exam
May 22, 2014
European search report
Search/Exam
Apr 28, 2014
Search started
Search/Exam
Dec 29, 2010
Notification of forthcoming publication
Search/Exam
Dec 23, 2010
Annex
Search/Exam
Dec 23, 2010
Designation of inventor
Search/Exam
Dec 20, 2010
Cover sheet for fax transmission
Search/Exam
Dec 20, 2010
Letter concerning the inventor
Search/Exam
Nov 8, 2010
Deficiency in designation of inventor
Search/Exam
Nov 4, 2010
Notice on debiting of fees
Search/Exam
Oct 14, 2010
Oct 14, 2010
Letter concerning fees and payments
Search/Exam
Oct 4, 2010
Request for grant of a European patent
Search/Exam
Sep 28, 2010
Abstract
Search/Exam
Sep 28, 2010
Claims
Search/Exam
Sep 28, 2010
Description
Search/Exam
Sep 28, 2010
Letter concerning search matters
Search/Exam
Sep 28, 2010
Sep 28, 2010
Submission concerning representation
Search/Exam
Jul 12, 2005
May 28, 2004