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Catalytic Dehydrochlorination Of Hydrochlorofluorocarbons

Patent No. EP2678301 (titled "Catalytic Dehydrochlorination Of Hydrochlorofluorocarbons") was filed by EI DU Pont DE Nemours on Feb 21, 2012. The application was issued on Aug 23, 2017.

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
ARKEMA FRANCE	May 23, 2018	LECA

Dossier Documents

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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Oct 11, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 11, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 8, 2019
Termination of the opposition proceedings with maintenance of patent
Jul 5, 2019
Advice of delivery
Jul 3, 2019
Advice of delivery
Jul 2, 2019
Advice of delivery
Jun 28, 2019
Advice of delivery
Jun 27, 2019
Acknowledgement of a document
Jun 27, 2019
Acknowledgement of a document
Jun 27, 2019
Decision of the Opposition Division and instruction
Jun 27, 2019
Decision rejecting the opposition
Jun 27, 2019
Grounds for the decision (Annex) - opposition
Jun 27, 2019
Internal form - Opposition/addressees
Jun 27, 2019
Means of redress
Jun 21, 2019
Advice of delivery
Jun 18, 2019
Notification concerning the date of oral proceedings
May 22, 2019
Advice of delivery
May 21, 2019
Notification concerning the date of oral proceedings
May 21, 2019
Notification concerning the date of oral proceedings
May 17, 2019
Brief communication - Opposition proceedings
May 16, 2019
Brief communication - Opposition proceedings
May 15, 2019
Brief communication - Opposition proceedings
May 13, 2019
(Electronic) Receipt
May 13, 2019
Amended claims with annotations
May 13, 2019
Amended claims with annotations
May 13, 2019
Amended claims with annotations
May 13, 2019
Amended claims with annotations
May 13, 2019
Amended claims with annotations
May 13, 2019
Claims
May 13, 2019
Claims
May 13, 2019
Claims
May 13, 2019
Claims
May 13, 2019
Claims
May 13, 2019
Letter accompanying subsequently filed items
May 13, 2019
Withdrawal of a request for oral proceedings
May 13, 2019
Written submission in preparation to/during oral proceedings
May 9, 2019
Request for interpreters during oral proceedings
Feb 28, 2019
Advice of delivery
Feb 22, 2019
Advice of delivery
Feb 21, 2019
Advice of delivery
Feb 21, 2019
Advice of delivery
Feb 18, 2019
Acknowledgement of a document
Feb 18, 2019
Acknowledgement of a document
Feb 18, 2019
Information concerning oral proceedings
Feb 18, 2019
Notification concerning the date of oral proceedings
Feb 18, 2019
Notification concerning the date of oral proceedings
Feb 18, 2019
Summons to attend oral proceedings
Feb 18, 2019
Summons to attend oral proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 7, 2019
Any annexes (other than citation) to an opposition letter
Feb 7, 2019
Oral proceedings: Request for postponement
Feb 4, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Jan 29, 2019
Advice of delivery
Jan 28, 2019
Advice of delivery
Jan 23, 2019
Acknowledgement of a document
Jan 23, 2019
Acknowledgement of a document
Jan 23, 2019
Annex to the communication - opposition
Jan 23, 2019
Information concerning oral proceedings
Jan 23, 2019
Summons to attend oral proceedings
Jan 23, 2019
Summons to attend oral proceedings
Oct 18, 2018
Brief communication - Opposition proceedings
Oct 15, 2018
(Electronic) Receipt
Oct 15, 2018
Letter accompanying subsequently filed items
Oct 15, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jun 4, 2018
Communication of a notice of opposition and request to file observations
Jun 4, 2018
Notice of further oppositions to opponent(s)
May 28, 2018
Communication of a notice of opposition - first information to patent proprietor
May 23, 2018
(Electronic) Receipt
May 23, 2018
Notice of opposition
May 23, 2018
Notice of opposition
May 23, 2018
Patent document cited during the opposition procedure
May 23, 2018
Patent document cited during the opposition procedure
May 23, 2018
Patent document cited during the opposition procedure
Aug 23, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 27, 2017
Decision to grant a European patent
Jul 13, 2017
Filing of the translations of the claims
Jul 13, 2017
French translation of claims
Jul 13, 2017
German translation of the claims
Jul 13, 2017
Payment of fees and costs
Mar 24, 2017
Bibliographic data of the European patent application
Mar 24, 2017
Communication about intention to grant a European patent
Mar 24, 2017
Intention to grant (signatures)
Mar 24, 2017
Text intended for grant (clean copy)
Mar 24, 2017
Text intended for grant (version for approval)
May 24, 2016
Communication of the registration of a transfer or change of name and/or address
May 11, 2016
Payment of fees and costs
May 11, 2016
Submission concerning a transfer of rights (applicant)
Apr 4, 2016
Amended description with annotations
Apr 4, 2016
Description
Apr 4, 2016
Reply to communication from the Examining Division
Feb 15, 2016
Grant of extension of time limit (examination procedure)
Feb 1, 2016
Request for extension of time limit to communication from the Examining Division
Sep 29, 2015
Annex to the communication
Sep 29, 2015
Communication from the Examining Division
Sep 22, 2015
Examination started
Apr 10, 2015
CDS Clean up - amended applicant details
Apr 7, 2015
Submission concerning change of applicant's address
Nov 28, 2014
Submission concerning representation
Apr 28, 2014
Amended claims filed after receipt of (European) search report
Apr 28, 2014
Amended claims with annotations
Apr 28, 2014
Amendments received before examination
Dec 4, 2013
Notification on forthcoming publication of bibliographic data
Oct 18, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 8, 2013
Communication to designated inventor
Oct 8, 2013
Communication to designated inventor
Sep 12, 2013
(Electronic) Receipt
Sep 12, 2013
Request for entry into the European phase
Sep 3, 2013
Copy of the international preliminary report on patentability
Jul 5, 2013
Information on entry into European phase
Sep 19, 2012
Priority document (electronically transmitted)
Aug 30, 2012
Copy of the international search report
Aug 30, 2012
Published international application - A1
Jul 5, 2012
Written opinion of the ISA, boxes No. I to VIII
Jul 5, 2012
Written opinion of the ISA, cover sheet
Jul 5, 2012
Written opinion of the ISA, supplemental box
Mar 8, 2012
Abstract
Mar 8, 2012
Claims
Mar 8, 2012
Description
Mar 8, 2012
Submission concerning representation

EP2678301

EI DU PONT DE NEMOURS

Application Number: EP12709196A
Filing Date: Feb 21, 2012
Status: Opposition Rejected; Oct 11, 2019
Publication Date: Aug 23, 2017
External Links: Slate, EP2678301B1, Google Patents

IP Verse

Catalytic Dehydrochlorination Of Hydrochlorofluorocarbons

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2678301