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The patent EP2277977 was granted to Honeywell on Sep 19, 2018. The application was filed on Apr 29, 2005 under application number EP10011593A. 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 | Jun 19, 2019 | POTTER CLARKSON | ADMISSIBLE |
| ARKEMA FRANCE | Mar 26, 2019 | BANDPAY & GREUTER | ADMISSIBLE |
| SINO RESOURCE IMP & EXP | Feb 14, 2019 | COHAUSZ & FLORACK | ADMISSIBLE |
| ZHEJIANG HUANXIN FLUORO MATERIAL | Feb 6, 2019 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| ZHEJIANG HUANXIN FLUORO MATERIAL | Feb 6, 2019 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Authorisation
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Decision to grant a European patent
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended description with annotations
Search/Exam
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Description
Search/Exam
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Letter accompanying subsequently filed items
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Annex to the communication
Search/Exam
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Communication from the Examining Division
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Feb 9, 2018
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Annex
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Jan 15, 2018
Claims
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Letter accompanying subsequently filed items
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Advice of delivery
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Acknowledgement of a document
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Advice of delivery
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Annex to the communication
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Preparation for oral proceedings
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning the inventor
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Jun 23, 2017
Amended description with annotations
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Jun 23, 2017
Claims
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Jun 23, 2017
Description
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Observations by third parties
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May 30, 2017
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Annex to the communication
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Feb 22, 2017
Communication from the Examining Division
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Feb 21, 2017
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Data sheet for the decision
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Letter accompanying subsequently filed items
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Acknowledgement of a document
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May 9, 2016
Annex to the communication
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Preparation for oral proceedings
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Jul 10, 2015
Communication from the Examining Division
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Jun 29, 2015
Examination started
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Dec 19, 2014
(Electronic) Receipt
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Dec 19, 2014
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Dec 19, 2014
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Amended claims with annotations
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Dec 19, 2014
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Dec 19, 2014
Letter accompanying subsequently filed items
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Dec 19, 2014
Letter concerning fees and payments
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European search opinion
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European search report
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Jul 15, 2014
Search started
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Jun 18, 2014
CDS Clean up - amended applicant details
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Dec 29, 2010
Notification of forthcoming publication
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Dec 23, 2010
Annex
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Dec 23, 2010
Designation of inventor
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Dec 20, 2010
Cover sheet for fax transmission
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Dec 20, 2010
Designation of inventor
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Dec 7, 2010
Nov 18, 2010
Submission concerning representation
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Nov 5, 2010
Deficiency in designation of inventor
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Oct 21, 2010
Letter concerning fees and payments
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Oct 19, 2010
Oct 4, 2010
Request for grant of a European patent
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Sep 29, 2010
Abstract
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Sep 29, 2010
Claims
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Sep 29, 2010
Description
Search/Exam
Sep 29, 2010
Drawings
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Sep 29, 2010
Letter concerning search matters
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Sep 29, 2010
Nov 29, 2005