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Nitrogen-Containing Compounds Suitable For Use In The Production Of Polyurethanes

Patent No. EP3177659 (titled "Nitrogen-Containing Compounds Suitable For Use In The Production Of Polyurethanes") was filed by Evonik Degussa on Jul 23, 2015. The application was issued on Feb 19, 2025.

Patent Summary

Patent Family

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
HUNTSMAN	Sep 8, 2021	WEIDNER STERN JESCHKE

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, 2025
Decision to maintain the European patent in amended form
Jan 23, 2025
Decision to maintain the European patent in amended form
Jan 8, 2025
(Electronic) Receipt
Jan 8, 2025
English translation of the claims
Jan 8, 2025
Filing of the translation of the amended claims
Jan 8, 2025
French translation of claims
Jan 8, 2025
Letter accompanying subsequently filed items
Nov 26, 2024
Communication of bibliographic data
Nov 26, 2024
Communication to opponent concerning maintenance
Nov 26, 2024
Communication with request to file translations
Nov 25, 2024
Brief communication - Opposition proceedings
Nov 21, 2024
Maintenance of the patent with the documents specified in the final decision
Nov 20, 2024
(Electronic) Receipt
Nov 20, 2024
Letter accompanying subsequently filed items
Nov 20, 2024
Letter regarding the opposition procedure (no time limit)
May 11, 2023
Advice of delivery
May 8, 2023
Annex to the communication - opposition
May 8, 2023
Decision of the Opposition Division and instruction
May 8, 2023
Druckexemplar in opposition procedure
May 8, 2023
Grounds for the decision (Annex) - opposition
May 8, 2023
Interlocutory decision in opposition proceedings
May 8, 2023
Interlocutory decision in opposition proceedings
May 8, 2023
Means of redress
May 8, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 8, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 8, 2023
Provision of a copy of the minutes - opposition procedure
May 8, 2023
Provision of a copy of the minutes - opposition procedure
May 8, 2023
Scanned annex to a communication - opposition procedure
May 8, 2023
Transmittal of decision / summons - opposition
May 8, 2023
Transmittal of decision / summons - opposition
Apr 20, 2023
Information about the result of oral proceedings
Mar 13, 2023
Brief communication - Opposition proceedings
Mar 8, 2023
(Electronic) Receipt
Mar 8, 2023
Letter accompanying subsequently filed items
Mar 8, 2023
Written submission in preparation to/during oral proceedings
Feb 22, 2023
Brief communication - Opposition proceedings
Feb 17, 2023
(Electronic) Receipt
Feb 17, 2023
Citation in opposition procedure - 003
Feb 17, 2023
Citation in opposition procedure - 004
Feb 17, 2023
Consolidated list of cited opposition documents
Feb 17, 2023
Letter accompanying subsequently filed items
Feb 17, 2023
Written submission in preparation to/during oral proceedings
Feb 15, 2023
Brief communication - Opposition proceedings
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Written submission in preparation to/during oral proceedings
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 5, 2022
Notification concerning the date of oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Oct 7, 2022
Advice of delivery
Oct 4, 2022
Advice of delivery
Sep 28, 2022
Annex to the communication - opposition
Sep 28, 2022
Information concerning oral proceedings
Sep 28, 2022
Summons to attend oral proceedings
Sep 28, 2022
Summons to attend oral proceedings
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 28, 2022
Transmittal of decision / summons - opposition
Jan 20, 2022
Brief communication - Opposition proceedings
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Auxiliary request during Opposition procedure - 01
Jan 17, 2022
Auxiliary request during Opposition procedure - 02
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Main request during Opposition procedure
Jan 17, 2022
Reply of the patent proprietor to the notice(s) of opposition
Sep 23, 2021
Communication of a notice of opposition and request to file observations
Sep 23, 2021
Notice of further oppositions to opponent(s)
Sep 13, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Citation in opposition procedure - 001
Sep 8, 2021
Citation in opposition procedure - 002
Sep 8, 2021
International publication (Pamphlet)
Sep 8, 2021
Notice of opposition
Sep 8, 2021
Notice of opposition
Dec 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 12, 2020
Decision to grant a European patent
Oct 29, 2020
(Electronic) Receipt
Oct 29, 2020
English translation of the claims
Oct 29, 2020
Filing of the translations of the claims
Oct 29, 2020
French translation of claims
Oct 29, 2020
Letter accompanying subsequently filed items
Jul 27, 2020
Bibliographic data of the European patent application
Jul 27, 2020
Communication about intention to grant a European patent
Jul 27, 2020
Intention to grant (signatures)
Jul 27, 2020
Text intended for grant (clean copy)
Jul 27, 2020
Text intended for grant (version for approval)
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Amended description with annotations
Jan 23, 2020
Claims
Jan 23, 2020
Description
Jan 23, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Reply to communication from the Examining Division
Nov 26, 2019
Annex to the communication
Nov 26, 2019
Communication from the Examining Division
Nov 12, 2019
Communication of the registration of a transfer or change of name and/or address
Nov 6, 2019
Submission concerning change of applicant's name
Nov 6, 2019
Submission concerning change of applicant's name
Apr 30, 2019
Examination started
Apr 15, 2019
Communication of amended entries concerning the representative
Apr 9, 2019
(Electronic) Receipt
Apr 9, 2019
Authorisation
Apr 9, 2019
Letter accompanying subsequently filed items
Apr 9, 2019
Submission concerning change of applicant's representative
Jan 4, 2019
Notification regarding date of start of examination with possibility to withdraw
Aug 20, 2018
Transmittal of third party observations to applicant
Aug 14, 2018
Observations by third parties
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Amended claims filed after receipt of (European) search report
Sep 7, 2017
Amendments received before examination
Sep 7, 2017
Letter accompanying subsequently filed items
May 17, 2017
Notification on forthcoming publication of bibliographic data
Mar 14, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Feb 23, 2017
Copy of the international preliminary report on patentability
Jan 10, 2017
(Electronic) Receipt
Jan 10, 2017
Priority search results
Jan 10, 2017
Request for entry into the European phase
Dec 16, 2016
Information on entry into European phase
Mar 1, 2016
Priority document (electronically transmitted)
Feb 11, 2016
Copy of the international search report
Feb 11, 2016
Copy of the international search report
Feb 11, 2016
Published international application - A1
Jan 12, 2016
Written opinion of the ISA, boxes No. I to VIII
Jan 12, 2016
Written opinion of the ISA, cover sheet
Jan 12, 2016
Written opinion of the ISA, supplemental box
Oct 20, 2015
Partial International Search Report
Jul 23, 2015
(Electronic) Receipt
Jul 23, 2015
Abstract
Jul 23, 2015
Claims
Jul 23, 2015
Description

EP3177659

EVONIK DEGUSSA

Application Number: EP15739623A
Filing Date: Jul 23, 2015
Status: Patent Maintained As Amended; Jan 17, 2025
Publication Date: Feb 19, 2025
External Links: Slate, Register , Google Patents