Process For The Production Of Polyurethane Foams

Patent No. EP3394137 (titled "Process For The Production Of Polyurethane Foams") was filed by Shell Internationale Research Maatschappij on Dec 19, 2016. The application was issued on Mar 20, 2024.

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
COVESTRO DEUTSCHLAND	Dec 17, 2021	LEVPAT

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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Feb 22, 2024
Decision to maintain the European patent in amended form
Feb 22, 2024
Decision to maintain the European patent in amended form
Feb 14, 2024
(Electronic) Receipt
Feb 14, 2024
French translation of claims
Feb 14, 2024
German translation of the claims
Feb 14, 2024
Letter accompanying subsequently filed items
Jan 16, 2024
Communication of bibliographic data
Jan 16, 2024
Communication to opponent concerning maintenance
Jan 16, 2024
Communication with request to file translations
Jan 11, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 4, 2023
Annex to the communication - opposition
Dec 4, 2023
Brief communication - Opposition proceedings
Dec 4, 2023
Brief communication - Opposition proceedings
Nov 17, 2023
Brief communication - Opposition proceedings
Nov 14, 2023
(Electronic) Receipt
Nov 14, 2023
Letter accompanying subsequently filed items
Nov 14, 2023
Request for correction
Oct 9, 2023
(Electronic) Receipt
Oct 9, 2023
Advice of delivery
Oct 9, 2023
Letter accompanying subsequently filed items
Oct 2, 2023
Annex to the communication - opposition
Oct 2, 2023
Decision of the Opposition Division and instruction
Oct 2, 2023
Druckexemplar in opposition procedure
Oct 2, 2023
Grounds for the decision (Annex) - opposition
Oct 2, 2023
Interlocutory decision in opposition proceedings
Oct 2, 2023
Interlocutory decision in opposition proceedings
Oct 2, 2023
Means of redress
Oct 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 2, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 2, 2023
Provision of a copy of the minutes - opposition procedure
Oct 2, 2023
Provision of a copy of the minutes - opposition procedure
Oct 2, 2023
Transmittal of decision / summons - opposition
Oct 2, 2023
Transmittal of decision / summons - opposition
Jul 18, 2023
Information about the result of oral proceedings
Jun 6, 2023
Brief communication - Opposition proceedings
May 18, 2023
(Electronic) Receipt
May 18, 2023
(Electronic) Receipt
May 18, 2023
Amended description with annotations
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure
May 18, 2023
Auxiliary request during Opposition procedure - 01
May 18, 2023
Auxiliary request during Opposition procedure - 02
May 18, 2023
Auxiliary request during Opposition procedure - 03
May 18, 2023
Auxiliary request during Opposition procedure - 04
May 18, 2023
Auxiliary request during Opposition procedure - 05
May 18, 2023
Auxiliary request during Opposition procedure - 06
May 18, 2023
Auxiliary request during Opposition procedure - 07
May 18, 2023
Auxiliary request during Opposition procedure - 08
May 18, 2023
Auxiliary request during Opposition procedure - 09
May 18, 2023
Auxiliary request during Opposition procedure - 10
May 18, 2023
Auxiliary request during Opposition procedure - 11
May 18, 2023
Auxiliary request during Opposition procedure - 12
May 18, 2023
Citation in opposition procedure - 011
May 18, 2023
Citation in opposition procedure - 012
May 18, 2023
Citation in opposition procedure - 013
May 18, 2023
Consolidated list of cited opposition documents
May 18, 2023
Letter accompanying subsequently filed items
May 18, 2023
Main request during Opposition procedure
May 18, 2023
Main request during Opposition procedure
May 18, 2023
Written submission in preparation to/during oral proceedings
May 17, 2023
Brief communication - Opposition proceedings
May 12, 2023
(Electronic) Receipt
May 12, 2023
Citation in opposition procedure - 010
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Written submission in preparation to/during oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Nov 1, 2022
(Electronic) Receipt
Nov 1, 2022
Advice of delivery
Nov 1, 2022
Letter accompanying subsequently filed items
Oct 26, 2022
Annex to the communication - opposition
Oct 26, 2022
Information concerning oral proceedings
Oct 26, 2022
Scanned annex to a communication - opposition procedure
Oct 26, 2022
Summons to attend oral proceedings
Oct 26, 2022
Summons to attend oral proceedings
Oct 26, 2022
Transmittal of decision / summons - opposition
Oct 26, 2022
Transmittal of decision / summons - opposition
Oct 12, 2022
Brief communication - Opposition proceedings
Oct 6, 2022
(Electronic) Receipt
Oct 6, 2022
Letter accompanying subsequently filed items
Oct 6, 2022
Letter regarding the opposition procedure (no time limit)
Aug 2, 2022
Brief communication - Opposition proceedings
Jul 26, 2022
(Electronic) Receipt
Jul 26, 2022
Any annexes (other than citation) to an opposition letter
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure
Jul 26, 2022
Auxiliary request during Opposition procedure - 01
Jul 26, 2022
Auxiliary request during Opposition procedure - 02
Jul 26, 2022
Auxiliary request during Opposition procedure - 03
Jul 26, 2022
Auxiliary request during Opposition procedure - 04
Jul 26, 2022
Auxiliary request during Opposition procedure - 05
Jul 26, 2022
Auxiliary request during Opposition procedure - 06
Jul 26, 2022
Auxiliary request during Opposition procedure - 07
Jul 26, 2022
Auxiliary request during Opposition procedure - 08
Jul 26, 2022
Auxiliary request during Opposition procedure - 09
Jul 26, 2022
Citation in opposition procedure
Jul 26, 2022
Citation in opposition procedure - 002
Jul 26, 2022
Citation in opposition procedure - 004
Jul 26, 2022
Citation in opposition procedure - 005
Jul 26, 2022
Citation in opposition procedure - 006
Jul 26, 2022
Citation in opposition procedure - 007
Jul 26, 2022
Citation in opposition procedure - 008
Jul 26, 2022
Citation in opposition procedure - 009
Jul 26, 2022
Letter accompanying subsequently filed items
Jul 26, 2022
Main request during Opposition procedure
Jul 26, 2022
Main request during Opposition procedure
Jul 26, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 4, 2022
Brief communication - Opposition proceedings
May 4, 2022
Grant of extension of time limit (opposition procedure)
Apr 29, 2022
Brief communication - Opposition proceedings
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Request for extension of time limit
Jan 17, 2022
Communication of a notice of opposition and request to file observations
Jan 17, 2022
Notice of further oppositions to opponent(s)
Dec 23, 2021
Communication of a notice of opposition - first information to patent proprietor
Dec 17, 2021
(Electronic) Receipt
Dec 17, 2021
Citation in opposition procedure - 001
Dec 17, 2021
Citation in opposition procedure - 002
Dec 17, 2021
Citation in opposition procedure - 003
Dec 17, 2021
Citation in opposition procedure - 004
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Notice of opposition
Apr 13, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 4, 2021
Decision to grant a European patent
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Filing of the translations of the claims
Feb 22, 2021
French translation of claims
Feb 22, 2021
German translation of the claims
Dec 21, 2020
Bibliographic data of the European patent application
Dec 21, 2020
Communication about intention to grant a European patent
Dec 21, 2020
Intention to grant (signatures)
Dec 21, 2020
Text intended for grant (clean copy)
Dec 21, 2020
Text intended for grant (version for approval)
Aug 3, 2020
(Electronic) Receipt
Aug 3, 2020
Amended description with annotations
Aug 3, 2020
Description
Aug 3, 2020
Letter accompanying subsequently filed items
Aug 3, 2020
Reply to communication from the Examining Division
Jul 13, 2020
Annex to the communication
Jul 13, 2020
Communication from the Examining Division
Mar 31, 2020
(Electronic) Receipt
Mar 31, 2020
Annex
Mar 31, 2020
Claims
Mar 31, 2020
Letter accompanying subsequently filed items
Mar 31, 2020
Patent document cited during the examination procedure
Mar 31, 2020
Request for further processing
Feb 3, 2020
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 24, 2019
Grant of extension of time limit (examination procedure)
Oct 17, 2019
(Electronic) Receipt
Oct 17, 2019
Letter accompanying subsequently filed items
Oct 17, 2019
Request for extension of time limit to communication from the Examining Division
Jun 25, 2019
Annex to the communication
Jun 25, 2019
Communication from the Examining Division
Jun 19, 2019
Examination started
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Letter accompanying subsequently filed items
Mar 22, 2019
Statement of non-availability of priority search results
Mar 20, 2019
Invitation to file a copy of search results(priority)
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Amended claims filed after receipt of (European) search report
Jan 25, 2019
Amendments received before examination
Jan 25, 2019
Letter accompanying subsequently filed items
Oct 4, 2018
Notification on forthcoming publication of bibliographic data
Aug 1, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 27, 2018
Communication to designated inventor
Jul 27, 2018
Communication to designated inventor
Jul 27, 2018
Communication to designated inventor
Jul 27, 2018
Communication to designated inventor
Jul 17, 2018
Copy of the international preliminary report on patentability
Jun 12, 2018
(Electronic) Receipt
Jun 12, 2018
Request for entry into the European phase
May 4, 2018
Information on entry into European phase
Feb 20, 2018
Miscellaneous requests concerning client data
Jul 18, 2017
Priority document (electronically transmitted)
Jun 29, 2017
Copy of the international search report
Jun 29, 2017
Published international application - A1
Mar 21, 2017
Written opinion of the ISA, boxes No. I to VIII
Mar 21, 2017
Written opinion of the ISA, cover sheet
Mar 21, 2017
Written opinion of the ISA, supplemental box
Feb 16, 2017
Incoming letter related to PCT RO
Jan 27, 2017
Communication in cases for which no other form is applicable
Jan 20, 2017
Notification of the international application number and of the international filing date
Dec 19, 2016
(Electronic) Receipt
Dec 19, 2016
Abstract
Dec 19, 2016
Claims
Dec 19, 2016
Description
Dec 19, 2016
Document concerning fees and payments
Dec 19, 2016
Electronic request for grant of an International application
Dec 19, 2016
Submission concerning representation
Dec 19, 2016
Submission concerning representation

EP3394137

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ

Application Number: EP16822969A
Filing Date: Dec 19, 2016
Status: Patent Maintained As Amended; Feb 16, 2024
Publication Date: Mar 20, 2024
External Links: Slate, Register , Google Patents

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Process For The Production Of Polyurethane Foams

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Dossier Documents

EP3394137