Aldehyde Production Process With Multi-Stage Condensation

Patent No. EP2991957 (titled "Aldehyde Production Process With Multi-Stage Condensation") was filed by Oxea on Nov 11, 2013. The application was issued on Feb 19, 2020.

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
EVONIK OPERATIONS	Jan 26, 2018	-

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 23, 2020
Decision to maintain the European patent in amended form
Jan 23, 2020
Decision to maintain the European patent in amended form
Jan 17, 2020
Termination of the opposition proceedings with maintenance of patent
Jan 10, 2020
(Electronic) Receipt
Jan 10, 2020
Filing of the translation of the amended claims
Jan 10, 2020
French translation of claims
Jan 10, 2020
German translation of the claims
Jan 10, 2020
Letter accompanying subsequently filed items
Dec 2, 2019
Communication of bibliographic data
Dec 2, 2019
Communication to opponent concerning maintenance
Dec 2, 2019
Communication with request to file translations
Nov 20, 2019
Maintenance of the patent with the documents specified in the final decision
Aug 8, 2019
Advice of delivery
Jul 31, 2019
Advice of delivery
Jul 31, 2019
Advice of delivery
Jul 29, 2019
Advice of delivery
Jul 25, 2019
Acknowledgement of a document
Jul 25, 2019
Acknowledgement of a document
Jul 25, 2019
Annex to the communication - opposition
Jul 25, 2019
Decision of the Opposition Division and instruction
Jul 25, 2019
Druckexemplar in opposition procedure
Jul 25, 2019
Grounds for the decision (Annex) - opposition
Jul 25, 2019
Interlocutory decision in opposition proceedings
Jul 25, 2019
Internal form - Opposition/addressees
Jul 25, 2019
Internal form - Opposition/addressees
Jul 25, 2019
Means of redress
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 25, 2019
Provision of a copy of the minutes - opposition procedure
Jul 25, 2019
Scanned annex to a communication - opposition procedure
Jul 25, 2019
Scanned annex to a communication - opposition procedure
May 29, 2019
Information about the result of oral proceedings
Apr 12, 2019
Notification concerning the date of oral proceedings
Apr 9, 2019
Notification concerning the date of oral proceedings
Apr 9, 2019
Notification concerning the date of oral proceedings
Mar 27, 2019
Brief communication - Opposition proceedings
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Withdrawal of a request for oral proceedings
Mar 22, 2019
Written submission in preparation to/during oral proceedings
Feb 21, 2019
Brief communication - Opposition proceedings
Feb 19, 2019
Brief communication - Opposition proceedings
Feb 15, 2019
(Electronic) Receipt
Feb 15, 2019
Letter accompanying subsequently filed items
Feb 15, 2019
Request for interpreters during oral proceedings
Feb 13, 2019
(Electronic) Receipt
Feb 13, 2019
Amended claims with annotations
Feb 13, 2019
Claims
Feb 13, 2019
Letter accompanying subsequently filed items
Feb 13, 2019
Written submission in preparation to/during oral proceedings
Oct 30, 2018
Advice of delivery
Oct 26, 2018
Advice of delivery
Oct 19, 2018
Advice of delivery
Oct 18, 2018
Advice of delivery
Oct 16, 2018
Acknowledgement of a document
Oct 16, 2018
Acknowledgement of a document
Oct 16, 2018
Annex to the communication - opposition
Oct 16, 2018
Information concerning oral proceedings
Oct 16, 2018
Preparation for oral proceedings
Oct 16, 2018
Summons to attend oral proceedings
Oct 16, 2018
Summons to attend oral proceedings
Jun 13, 2018
Brief communication - Opposition proceedings
Jun 7, 2018
(Electronic) Receipt
Jun 7, 2018
Any annexes (other than citation) to an opposition letter
Jun 7, 2018
Letter accompanying subsequently filed items
Jun 7, 2018
Reply of the patent proprietor to the notice(s) of opposition
Feb 22, 2018
Communication of a notice of opposition and request to file observations
Feb 22, 2018
Notice of further oppositions to opponent(s)
Feb 1, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 29, 2018
Citation in opposition procedure - 001
Jan 29, 2018
Citation in opposition procedure - 002
Jan 29, 2018
Citation in opposition procedure - 003
Jan 29, 2018
Citation in opposition procedure - 004
Jan 29, 2018
Citation in opposition procedure - 005
Jan 29, 2018
Citation in opposition procedure - 006
Jan 29, 2018
Citation in opposition procedure - 007
Jan 29, 2018
Citation in opposition procedure - 007
Jan 29, 2018
Citation in opposition procedure - 008
Jan 29, 2018
Citation in opposition procedure - 009
Jan 29, 2018
Citation in opposition procedure - 010
Jan 29, 2018
Citation in opposition procedure - 011
Jan 29, 2018
Citation in opposition procedure - 011
Jan 29, 2018
Letter concerning fees and payments
Jan 29, 2018
Non-scannable object
Jan 29, 2018
Non-scannable object
Jan 29, 2018
Notice of opposition
Jan 26, 2018
Letter accompanying subsequently filed items
Jan 26, 2018
Letter concerning fees and payments
Jan 26, 2018
Letter concerning fees and payments
Jan 26, 2018
Non-patent literature cited during the examination procedure
Jan 26, 2018
Non-patent literature cited during the examination procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Patent document cited during the examination procedure
Jan 26, 2018
Patent document cited during the examination procedure
Jan 26, 2018
Patent document cited during the examination procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Apr 26, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 30, 2017
Decision to grant a European patent
Mar 14, 2017
(Electronic) Receipt
Mar 14, 2017
Filing of the translations of the claims
Mar 14, 2017
French translation of claims
Mar 14, 2017
German translation of the claims
Mar 14, 2017
Letter accompanying subsequently filed items
Dec 16, 2016
Bibliographic data of the European patent application
Dec 16, 2016
Communication about intention to grant a European patent
Dec 16, 2016
Intention to grant (signatures)
Dec 16, 2016
Text intended for grant (clean copy)
Dec 16, 2016
Text intended for grant (version for approval)
Nov 11, 2016
Examination started
Jun 15, 2016
Communication confirming withdrawal from representation
Jun 15, 2016
Communication of amended entries concerning the representative
Jun 9, 2016
Submission concerning change of applicant's representative
May 25, 2016
Submission concerning change of applicant's representative
Feb 10, 2016
Notification on forthcoming publication of bibliographic data
Jan 19, 2016
Matter concerning the application
Dec 18, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Dec 8, 2015
Communication to designated inventor
Dec 8, 2015
Communication to designated inventor
Nov 11, 2015
Annexes to the international preliminary examination report
Nov 11, 2015
Copy of the international preliminary examination report
Nov 11, 2015
Copy of the international preliminary examination report
Oct 29, 2015
Information regarding early processing
Sep 11, 2015
Information on entry into European phase
Sep 7, 2015
Annex
Sep 7, 2015
Annex
Sep 7, 2015
Annex
Sep 7, 2015
General authorisation
Sep 7, 2015
Request for entry into the European phase
Jun 17, 2015
Annex to International preliminary examination report
Jun 17, 2015
International preliminary examination report
Jun 17, 2015
International preliminary examination report - free text sheet
Jun 17, 2015
International preliminary examination report - points I-VIII
Jun 17, 2015
Transmittal of International Preliminary Examination Report
Mar 17, 2015
Invitation to pay prescribed fees together with late payment fee (Rule 58bis PCT)
Mar 10, 2015
Cover sheet for fax transmission
Mar 10, 2015
Letter regarding PCTII procedure
Jan 30, 2015
Letter regarding PCTII procedure
Jan 30, 2015
Non-patent literature cited during the examination procedure
Jan 30, 2015
PCT(IPEA): Amended sheet - claims
Jan 30, 2015
PCT(IPEA): Amended sheet - description
Jan 30, 2015
PCT(IPEA): Amended sheet - description
Jan 30, 2015
Reply to International Search Opinion
Jan 28, 2015
Cover sheet for fax transmission
Jan 28, 2015
Cover sheet for fax transmission
Jan 28, 2015
Non-patent literature cited during the examination procedure
Jan 28, 2015
Non-patent literature cited during the examination procedure
Jan 28, 2015
PCT(IPEA): Amended sheet - claims
Jan 28, 2015
PCT(IPEA): Amended sheet - claims
Jan 28, 2015
PCT(IPEA): Amended sheet - claims
Jan 28, 2015
PCT(IPEA): Amended sheet - claims
Jan 28, 2015
PCT(IPEA): Amended sheet - description
Jan 28, 2015
PCT(IPEA): Amended sheet - description
Jan 28, 2015
PCT(IPEA): Amended sheet - description
Jan 28, 2015
PCT(IPEA): Amended sheet - description
Jan 28, 2015
Reply to International Search Opinion
Jan 28, 2015
Reply to International Search Opinion
Nov 25, 2014
Priority document (electronically transmitted)
Nov 11, 2014
Notification of election of EPO
Nov 6, 2014
Copy of the international search report
Nov 6, 2014
Published international application - A1
Jun 2, 2014
Amendments of documents (Article 19 PCT)
May 15, 2014
Notification of receipt of demand
Apr 23, 2014
Document concerning fees and payments
Apr 23, 2014
PCT demand form
Apr 23, 2014
PCT(IPEA): Amended sheet - claims
Apr 23, 2014
PCT(IPEA): Amended sheet - claims
Apr 23, 2014
PCT(IPEA): Amended sheet - description
Apr 23, 2014
PCT(IPEA): Amended sheet - description
Apr 23, 2014
Reply to International Search Opinion
Feb 18, 2014
Written opinion of the ISA, boxes No. I to VIII
Feb 18, 2014
Written opinion of the ISA, cover sheet
Feb 18, 2014
Written opinion of the ISA, supplemental box
Nov 21, 2013
Abstract
Nov 21, 2013
Claims
Nov 21, 2013
Description
Nov 21, 2013
Drawings

EP2991957

OXEA

Application Number: EP13793050A
Filing Date: Nov 11, 2013
Status: Patent Maintained As Amended; Jan 17, 2020
Publication Date: Feb 19, 2020
External Links: Slate, Register , Google Patents

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Aldehyde Production Process With Multi-Stage Condensation

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EP2991957