IP Verse

Viscoelastic And Reticulated Polyurethane Foam And The Preparation Thereof

Patent No. EP3307828 (titled "Viscoelastic And Reticulated Polyurethane Foam And The Preparation Thereof") was filed by Covestro Deutschland on Jun 8, 2016. The application was issued on Mar 18, 2020.

Patent Summary

Patent Family

Patent Oppositions (2)

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
BASF	Dec 17, 2020	BASF ASSOCIATION
HUNTSMAN	Dec 17, 2020	VAN DEN BROECK

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

Get instant alerts for new documents

Nov 16, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 16, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 16, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Nov 11, 2022
Termination of the opposition proceedings with revocation of patent
Sep 19, 2022
Letter relating to the automatic debiting procedure
Aug 2, 2022
Annex to the communication - opposition
Aug 2, 2022
Decision revoking the European patent
Aug 2, 2022
Decision revoking the European patent
Aug 2, 2022
Decision revoking the European patent
Aug 2, 2022
Grounds for the decision (Annex) - opposition
Aug 2, 2022
Means of redress
Aug 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2022
Provision of a copy of the minutes - opposition procedure
Aug 2, 2022
Provision of a copy of the minutes - opposition procedure
Aug 2, 2022
Provision of a copy of the minutes - opposition procedure
Aug 2, 2022
Transmittal of decision / summons - opposition
Aug 2, 2022
Transmittal of decision / summons - opposition
Aug 2, 2022
Transmittal of decision / summons - opposition
Jul 28, 2022
Decision of the Opposition Division and instruction
Jul 1, 2022
Information about the result of oral proceedings
Jun 27, 2022
Brief communication - Opposition proceedings
Jun 27, 2022
Brief communication - Opposition proceedings
Jun 23, 2022
(Electronic) Receipt
Jun 23, 2022
Citation in opposition procedure - 017
Jun 23, 2022
Consolidated list of cited opposition documents
Jun 23, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
Written submission in preparation to/during oral proceedings
May 24, 2022
Annex to the communication - opposition
May 24, 2022
Notification concerning the date of oral proceedings
May 24, 2022
Notification concerning the date of oral proceedings
May 24, 2022
Notification concerning the date of oral proceedings
May 20, 2022
Brief communication - Opposition proceedings
May 20, 2022
Brief communication - Opposition proceedings
May 13, 2022
(Electronic) Receipt
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Written submission in preparation to/during oral proceedings
May 6, 2022
Brief communication - Opposition proceedings
May 6, 2022
Brief communication - Opposition proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Auxiliary request during Opposition procedure
Apr 29, 2022
Auxiliary request during Opposition procedure
Apr 29, 2022
Auxiliary request during Opposition procedure
Apr 29, 2022
Auxiliary request during Opposition procedure - 03
Apr 29, 2022
Auxiliary request during Opposition procedure - 04
Apr 29, 2022
Auxiliary request during Opposition procedure - 06
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Oral proceedings: Request for postponement
Apr 26, 2022
(Electronic) Receipt
Apr 26, 2022
Letter accompanying subsequently filed items
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Apr 22, 2022
Notification concerning the date of oral proceedings
Dec 1, 2021
Annex to the communication - opposition
Dec 1, 2021
Information concerning oral proceedings
Dec 1, 2021
Summons to attend oral proceedings
Dec 1, 2021
Summons to attend oral proceedings
Dec 1, 2021
Summons to attend oral proceedings
Dec 1, 2021
Transmittal of decision / summons - opposition
Dec 1, 2021
Transmittal of decision / summons - opposition
Dec 1, 2021
Transmittal of decision / summons - opposition
Jul 28, 2021
Brief communication - Opposition proceedings
Jul 28, 2021
Brief communication - Opposition proceedings
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure
Jul 22, 2021
Auxiliary request during Opposition procedure - 01
Jul 22, 2021
Auxiliary request during Opposition procedure - 02
Jul 22, 2021
Auxiliary request during Opposition procedure - 03
Jul 22, 2021
Auxiliary request during Opposition procedure - 04
Jul 22, 2021
Auxiliary request during Opposition procedure - 05
Jul 22, 2021
Auxiliary request during Opposition procedure - 06
Jul 22, 2021
Citation in opposition procedure - 016
Jul 22, 2021
Letter accompanying subsequently filed items
Jul 22, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 27, 2021
Brief communication - Opposition proceedings
May 27, 2021
Brief communication - Opposition proceedings
May 27, 2021
Grant of extension of time limit (opposition procedure)
May 21, 2021
(Electronic) Receipt
May 21, 2021
Letter accompanying subsequently filed items
May 21, 2021
Request for extension of time limit
Jan 22, 2021
Communication of a notice of opposition and request to file observations
Jan 22, 2021
Notice of further oppositions to opponent(s)
Jan 22, 2021
Notice of further oppositions to opponent(s)
Dec 22, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
Citation in opposition procedure - 001
Dec 17, 2020
Citation in opposition procedure - 002
Dec 17, 2020
Citation in opposition procedure - 003
Dec 17, 2020
Citation in opposition procedure - 004
Dec 17, 2020
Citation in opposition procedure - 005
Dec 17, 2020
Citation in opposition procedure - 006
Dec 17, 2020
Citation in opposition procedure - 007
Dec 17, 2020
Citation in opposition procedure - 008
Dec 17, 2020
Citation in opposition procedure - 009
Dec 17, 2020
Citation in opposition procedure - 010
Dec 17, 2020
Citation in opposition procedure - 011
Dec 17, 2020
Citation in opposition procedure - 012
Dec 17, 2020
Citation in opposition procedure - 013
Dec 17, 2020
Citation in opposition procedure - 014
Dec 17, 2020
Citation in opposition procedure - 015
Dec 17, 2020
International publication (Pamphlet)
Dec 17, 2020
Letter accompanying subsequently filed items
Dec 17, 2020
Notice of opposition
Dec 17, 2020
Notice of opposition
Dec 17, 2020
Notice of opposition
Mar 30, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 20, 2020
Decision to grant a European patent
Feb 3, 2020
(Electronic) Receipt
Feb 3, 2020
Filing of the translations of the claims
Feb 3, 2020
French translation of claims
Feb 3, 2020
German translation of the claims
Feb 3, 2020
Letter accompanying subsequently filed items
Oct 11, 2019
Bibliographic data of the European patent application
Oct 11, 2019
Communication about intention to grant a European patent
Oct 11, 2019
Intention to grant (signatures)
Oct 11, 2019
Text intended for grant (clean copy)
Oct 11, 2019
Text intended for grant (version for approval)
Sep 9, 2019
Examination started
Oct 4, 2018
(Electronic) Receipt
Oct 4, 2018
Letter accompanying subsequently filed items
Oct 4, 2018
Priority search results
Oct 4, 2018
Reply to invitation to file a copy of priority search results
Sep 14, 2018
Invitation to file a copy of search results(priority)
Jul 5, 2018
(Electronic) Receipt
Jul 5, 2018
Amended claims filed after receipt of (European) search report
Jul 5, 2018
Amended claims with annotations
Jul 5, 2018
Amendments received before examination
Jul 5, 2018
Letter accompanying subsequently filed items
Mar 21, 2018
Communication to designated inventor
Mar 21, 2018
Notification on forthcoming publication of bibliographic data
Mar 15, 2018
Invitation to indicate correct address of inventor
Mar 12, 2018
(Electronic) Receipt
Mar 12, 2018
Letter concerning the inventor
Mar 7, 2018
Letter which had not been notified
Mar 1, 2018
Invitation to indicate correct address of inventor
Feb 23, 2018
Letter which had not been notified
Feb 21, 2018
Copy of the international preliminary report on patentability
Jan 25, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 24, 2018
Confirmation of receipt of (electronically) transmitted priority document
Jan 23, 2018
Communication to designated inventor
Jan 23, 2018
Communication to designated inventor
Jan 23, 2018
Communication to designated inventor
Jan 23, 2018
Communication to designated inventor
Jan 23, 2018
Communication to designated inventor
Jan 18, 2018
Priority document (electronically transmitted)
Nov 22, 2017
(Electronic) Receipt
Nov 22, 2017
Request for entry into the European phase
Oct 20, 2017
Information on entry into European phase
Jan 3, 2017
Priority document (electronically transmitted)
Dec 15, 2016
Copy of the international search report
Dec 15, 2016
Published international application - A1
Jul 29, 2016
Written opinion of the ISA, boxes No. I to VIII
Jul 29, 2016
Written opinion of the ISA, cover sheet
Jul 29, 2016
Written opinion of the ISA, supplemental box
Jun 15, 2016
Notification of the international application number and of the international filing date
Jun 10, 2016
Incoming letter related to PCT RO
Jun 8, 2016
(Electronic) Receipt
Jun 8, 2016
Abstract
Jun 8, 2016
Claims
Jun 8, 2016
Description
Jun 8, 2016
Document concerning fees and payments
Jun 8, 2016
Electronic request for grant of an International application
Jun 8, 2016
Incoming letter related to PCT RO
Jun 8, 2016
Incoming letter related to PCT RO

EP3307828

COVESTRO DEUTSCHLAND

Application Number: EP16727522A
Filing Date: Jun 8, 2016
Status: Revoked; Nov 18, 2022
Publication Date: Mar 18, 2020
External Links: Slate, Register , Google Patents