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Vacuum Distillation Method For Easily Polymerizable Compound And Method For Producing Acrylic Acid

Patent No. EP3064485 (titled "Vacuum Distillation Method For Easily Polymerizable Compound And Method For Producing Acrylic Acid") was filed by Mitsubishi Chemical on Oct 28, 2014. The application was issued on Feb 24, 2021.

Patent Summary

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Patent Oppositions

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
LAIR LIQUIDE SOCIETE ANONYME POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE	Aug 3, 2018	STANG

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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Jan 28, 2021
Decision to maintain the European patent in amended form
Jan 28, 2021
Decision to maintain the European patent in amended form
Jan 22, 2021
Termination of the opposition proceedings with maintenance of patent
Jan 13, 2021
Druckexemplar in opposition procedure
Dec 31, 2020
(Electronic) Receipt
Dec 31, 2020
Description
Dec 31, 2020
Filing of the translation of the amended claims
Dec 31, 2020
French translation of claims
Dec 31, 2020
German translation of the claims
Dec 31, 2020
Letter accompanying subsequently filed items
Sep 24, 2020
Communication of bibliographic data
Sep 24, 2020
Communication to opponent concerning maintenance
Sep 24, 2020
Communication with request to file translations
Sep 8, 2020
Maintenance of the patent with the documents specified in the final decision
Jul 23, 2020
Advice of delivery
Jul 23, 2020
Maintenance of the patent with the documents specified in the final decision
Jul 7, 2020
Advice of delivery
Feb 27, 2020
Acknowledgement of a document
Feb 27, 2020
Acknowledgement of a document
Feb 27, 2020
Annex to the communication - opposition
Feb 27, 2020
Decision of the Opposition Division and instruction
Feb 27, 2020
Grounds for the decision (Annex) - opposition
Feb 27, 2020
Interlocutory decision in opposition proceedings
Feb 27, 2020
Internal form - Opposition/addressees
Feb 27, 2020
Internal form - Opposition/addressees
Feb 27, 2020
Means of redress
Feb 27, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 27, 2020
OPPODREX with handwritten amendments
Feb 27, 2020
Provision of a copy of the minutes - opposition procedure
Jan 28, 2020
Information about the result of oral proceedings
Nov 29, 2019
Note on telephone consultation
Nov 22, 2019
Written submission in preparation to/during oral proceedings
Nov 22, 2019
Written submission in preparation to/during oral proceedings
Nov 20, 2019
Brief communication - Opposition proceedings
Nov 20, 2019
Communication of amended entries
Nov 15, 2019
Patent document cited during the opposition procedure
Nov 15, 2019
Written submission in preparation to/during oral proceedings
Nov 15, 2019
Written submission in preparation to/during oral proceedings
May 20, 2019
Advice of delivery
May 17, 2019
Advice of delivery
May 2, 2019
Advice of delivery
Apr 30, 2019
Advice of delivery
Apr 25, 2019
Acknowledgement of a document
Apr 25, 2019
Acknowledgement of a document
Apr 25, 2019
Annex to the communication - opposition
Apr 25, 2019
Information concerning oral proceedings
Apr 25, 2019
Information concerning oral proceedings
Apr 25, 2019
Summons to attend oral proceedings
Apr 25, 2019
Summons to attend oral proceedings
Feb 8, 2019
Brief communication - Opposition proceedings
Jan 28, 2019
Amended claims with annotations
Jan 28, 2019
Amended claims with annotations
Jan 28, 2019
Amended claims with annotations
Jan 28, 2019
Claims
Jan 28, 2019
Claims
Jan 28, 2019
Claims
Jan 28, 2019
Reply of the patent proprietor to the notice(s) of opposition
Sep 19, 2018
Communication of a notice of opposition and request to file observations
Sep 19, 2018
Notice of further oppositions to opponent(s)
Aug 27, 2018
Non-patent literature cited during the opposition procedure
Aug 27, 2018
Notice of opposition
Aug 23, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 3, 2018
Letter concerning fees and payments
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-patent literature cited during the opposition procedure
Aug 3, 2018
Non-scannable object
Aug 3, 2018
Non-scannable object
Aug 3, 2018
Notice of opposition
Aug 3, 2018
Notice of opposition
Aug 3, 2018
Patent document cited during the opposition procedure
Aug 3, 2018
Patent document cited during the opposition procedure
Aug 3, 2018
Patent document cited during the opposition procedure
Aug 3, 2018
Patent document cited during the opposition procedure
Dec 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 6, 2017
Decision to grant a European patent
Oct 9, 2017
Brief communication to applicant/representative
Oct 4, 2017
Bibliographic data of the European patent application
Aug 24, 2017
Filing of the translations of the claims
Aug 24, 2017
French translation of claims
Aug 24, 2017
German translation of the claims
Aug 24, 2017
Payment of fees and costs
Jul 6, 2017
Communication of the registration of a transfer or change of name and/or address
Jun 27, 2017
Payment of fees and costs
Jun 27, 2017
Submission concerning a transfer of rights (applicant)
Apr 21, 2017
Bibliographic data of the European patent application
Apr 21, 2017
Communication about intention to grant a European patent
Apr 21, 2017
Intention to grant (signatures)
Apr 21, 2017
Text intended for grant (clean copy)
Apr 21, 2017
Text intended for grant (version for approval)
Mar 23, 2017
Examination started
Jan 18, 2017
Maintenance of the application
Oct 28, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 11, 2016
Communication regarding the transmission of the European search report
Oct 11, 2016
European search opinion
Oct 11, 2016
Information on Search Strategy
Oct 11, 2016
Supplementary European search report
Sep 30, 2016
Search started
Aug 10, 2016
Notification of forthcoming publication
Jun 28, 2016
Communication to designated inventor
May 25, 2016
(Electronic) Receipt
May 25, 2016
Abstract
May 25, 2016
Amended claims filed after receipt of (European) search report
May 25, 2016
Amended claims with annotations
May 25, 2016
Amended description filed after receipt of (European) search report
May 25, 2016
Amended description with annotations
May 25, 2016
Amendments received before examination
May 25, 2016
Claims
May 25, 2016
Description
May 25, 2016
Drawings
May 25, 2016
Request for entry into the European phase
May 18, 2016
Copy of the international preliminary report on patentability
May 18, 2016
Translation of the international preliminary report on patentability
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Citation filed by a third party
May 2, 2016
Observations by third parties
Mar 11, 2016
Information on entry into European phase
May 27, 2015
Priority document (electronically transmitted)
May 7, 2015
Copy of the international search report
May 7, 2015
Copy of the translated international search report
May 7, 2015
International publication pamphlet

EP3064485

MITSUBISHI CHEMICAL

Application Number: EP14857447A
Filing Date: Oct 28, 2014
Status: Patent Maintained As Amended; Jan 22, 2021
Publication Date: Feb 24, 2021
External Links: Slate, EP3064485B2, Google Patents