Process For Preparing A Polyurethane Foam

Patent No. EP2475700 (titled "Process For Preparing A Polyurethane Foam") was filed by Shell Internationale Research Maatschappij on Sep 7, 2010. The application was issued on Dec 21, 2022.

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	Jul 17, 2015	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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Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 18, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Filing of the translation of the amended claims
Nov 14, 2022
French translation of claims
Nov 14, 2022
German translation of the claims
Oct 27, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Advice of delivery
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 15, 2022
Decision of the Opposition Division and instruction
Jul 15, 2022
Druckexemplar in opposition procedure
Jul 15, 2022
Grounds for the decision (Annex) - opposition
Jul 15, 2022
Interlocutory decision in opposition proceedings
Jul 15, 2022
Interlocutory decision in opposition proceedings
Jul 15, 2022
Means of redress
Jul 15, 2022
Scanned annex to a communication - opposition procedure
Jul 15, 2022
Scanned annex to a communication - opposition procedure
Jul 15, 2022
Transmittal of decision / summons - opposition
Jul 15, 2022
Transmittal of decision / summons - opposition
May 25, 2022
Brief communication - Opposition proceedings
May 20, 2022
(Electronic) Receipt
May 20, 2022
Description
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Reply to an examination report in opposition proceedings
May 12, 2022
Annex to the communication - opposition
May 12, 2022
Brief communication - Opposition proceedings
May 12, 2022
Brief communication - Opposition proceedings
May 12, 2022
Communication inviting the parties to file observations
May 12, 2022
Communication inviting the parties to file observations
Jan 27, 2022
(Electronic) Receipt
Jan 27, 2022
Letter accompanying subsequently filed items
Jan 27, 2022
Reply to an examination report in opposition proceedings
Jan 25, 2022
Annex to the communication - opposition
Jan 25, 2022
Brief communication - Opposition proceedings
Jan 25, 2022
Brief communication - Opposition proceedings
Jan 25, 2022
Communication inviting the parties to file observations
Jan 25, 2022
Communication inviting the parties to file observations
Oct 22, 2021
Brief communication - Opposition proceedings
Oct 19, 2021
(Electronic) Receipt
Oct 19, 2021
Letter accompanying subsequently filed items
Oct 19, 2021
Letter regarding the opposition procedure (no time limit)
Oct 12, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
(Electronic) Receipt
Oct 7, 2021
Letter accompanying subsequently filed items
Oct 7, 2021
Reply to an examination report in opposition proceedings
Sep 6, 2021
Annex to the communication - opposition
Sep 6, 2021
Brief communication - Opposition proceedings
Sep 6, 2021
Brief communication - Opposition proceedings
Sep 6, 2021
Communication inviting the parties to file observations
Sep 6, 2021
Communication inviting the parties to file observations
Aug 12, 2021
(Electronic) Receipt
Aug 12, 2021
Letter accompanying subsequently filed items
Aug 12, 2021
Letter regarding the opposition procedure (no time limit)
Jun 14, 2021
(Electronic) Receipt
Jun 14, 2021
Advice of delivery
Jun 7, 2021
Decision of the Board of Appeal
Jun 7, 2021
Decision of the Board of Appeal
Jun 7, 2021
F3032 Notification(s) of the decision
Jun 7, 2021
F3032 Notification(s) of the decision
May 11, 2021
Cited document during appeal procedure
May 11, 2021
Cited document during appeal procedure
May 11, 2021
F3013 Oral Proceedings: Forwarding minutes
May 11, 2021
F3013 Oral Proceedings: Forwarding minutes
May 11, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 11, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 30, 2021
(Electronic) Receipt
Apr 30, 2021
Cited document during appeal procedure
Apr 30, 2021
Cited document during appeal procedure
Apr 30, 2021
Letter accompanying subsequently filed items
Apr 30, 2021
Letter dealing with oral proceedings during the appeal procedure
Apr 26, 2021
F3345 Forwarding of submissions to parties
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Authorisation
Apr 16, 2021
Letter accompanying subsequently filed items
Apr 16, 2021
Oral proceedings: reply to date proposed
Apr 9, 2021
F3345 Forwarding of submissions to parties
Apr 8, 2021
(Electronic) Receipt
Apr 8, 2021
Advice of delivery
Apr 8, 2021
Letter accompanying subsequently filed items
Apr 7, 2021
F3018 Oral proceedings: Confirmation interpreters
Apr 7, 2021
F3018 Oral proceedings: Confirmation interpreters
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 31, 2021
(Electronic) Receipt
Mar 31, 2021
Letter accompanying subsequently filed items
Mar 31, 2021
Oral proceedings: reply to date proposed
Mar 26, 2021
Oral proceedings: change of venue
Mar 26, 2021
Oral proceedings: change of venue
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
Advice of delivery
Mar 24, 2021
Advice of delivery
Mar 24, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
Letter accompanying subsequently filed items
Mar 17, 2021
F3345 Forwarding of submissions to parties
Mar 17, 2021
F3345 Forwarding of submissions to parties
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
Letter accompanying subsequently filed items
Mar 12, 2021
Letter accompanying subsequently filed items
Mar 12, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 12, 2021
Oral proceedings: reply to date proposed
Mar 11, 2021
F3345 Forwarding of submissions to parties
Mar 5, 2021
(Electronic) Receipt
Mar 5, 2021
Auxiliary request during appeals procedure - 01
Mar 5, 2021
Auxiliary request during appeals procedure - 02
Mar 5, 2021
Auxiliary request during appeals procedure - 03
Mar 5, 2021
Auxiliary request during appeals procedure - 04
Mar 5, 2021
Auxiliary request during appeals procedure - 05
Mar 5, 2021
Auxiliary request during appeals procedure - 06
Mar 5, 2021
Auxiliary request during appeals procedure - 07
Mar 5, 2021
Auxiliary request during appeals procedure - 08
Mar 5, 2021
Auxiliary request during appeals procedure - 09
Mar 5, 2021
Auxiliary request during appeals procedure - 10
Mar 5, 2021
Auxiliary request during appeals procedure - 11
Mar 5, 2021
Auxiliary request during appeals procedure - 12
Mar 5, 2021
Auxiliary request during appeals procedure - 13
Mar 5, 2021
Auxiliary request during appeals procedure - 14
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 4, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 4, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 19, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 19, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 29, 2020
Advice of delivery
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
Advice of delivery
Jun 26, 2020
Letter accompanying subsequently filed items
Jun 22, 2020
F3011.1 Oral Proceedings: summons
Jun 22, 2020
F3011.1 Oral Proceedings: summons
Jun 15, 2020
F3010 Oral proceedings: order for summons
Mar 18, 2019
F3345 Forwarding of submissions to parties
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
Letter accompanying subsequently filed items
Mar 13, 2019
Letter relating to Appeal Procedure
Dec 3, 2018
F3345 Forwarding of submissions to parties
Nov 28, 2018
(Electronic) Receipt
Nov 28, 2018
(Electronic) Receipt
Nov 28, 2018
Annexes (other than cited documents) regarding appeal procedure
Nov 28, 2018
Annexes (other than cited documents) regarding appeal procedure
Nov 28, 2018
Letter accompanying subsequently filed items
Nov 28, 2018
Letter accompanying subsequently filed items
Nov 28, 2018
Letter relating to Appeal Procedure
Nov 28, 2018
Letter relating to Appeal Procedure
Sep 19, 2018
F3345 Forwarding of submissions to parties
Sep 11, 2018
(Electronic) Receipt
Sep 11, 2018
Annexes (other than cited documents) regarding appeal procedure
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Claims
Sep 11, 2018
Letter accompanying subsequently filed items
Sep 11, 2018
Reply to appeal
Jul 4, 2018
F3040 Term extension: Yes/No
Jul 4, 2018
F3345 Forwarding of submissions to parties
Jul 3, 2018
F3040 Term extension: Yes/No
Jul 3, 2018
F3345 Forwarding of submissions to parties
Jun 28, 2018
(Electronic) Receipt
Jun 28, 2018
Letter accompanying subsequently filed items
Jun 28, 2018
Request for extension of time limit
Jun 26, 2018
(Electronic) Receipt
Jun 26, 2018
Letter accompanying subsequently filed items
Jun 26, 2018
Request for extension of time limit
Mar 1, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 26, 2018
(Electronic) Receipt
Feb 26, 2018
Annexes (other than cited documents) regarding appeal procedure
Feb 26, 2018
Annexes (other than cited documents) regarding appeal procedure
Feb 26, 2018
Annexes (other than cited documents) regarding appeal procedure
Feb 26, 2018
Annexes (other than cited documents) regarding appeal procedure
Feb 26, 2018
Composition of the board (T)
Feb 26, 2018
Letter accompanying subsequently filed items
Feb 26, 2018
Non-Patent Literature cited during the appeal procedure
Feb 26, 2018
Non-Patent Literature cited during the appeal procedure
Feb 26, 2018
Statement of grounds of appeal
Feb 20, 2018
Miscellaneous requests concerning client data
Feb 9, 2018
Communication of amended entries concerning the representative
Feb 5, 2018
Submission concerning change of applicant's representative
Jan 16, 2018
F3204 Communication of the file number to the parties
Jan 2, 2018
Processing of an appeal
Dec 14, 2017
(Electronic) Receipt
Dec 14, 2017
Letter accompanying subsequently filed items
Dec 14, 2017
Notice of appeal
Nov 30, 2017
Annex to the communication - opposition
Nov 30, 2017
Internal form - Opposition/addressees
Nov 30, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 30, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 30, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 30, 2017
Provision of a copy of the minutes - opposition procedure
Nov 29, 2017
Brief communication - Opposition proceedings
Nov 21, 2017
Letter regarding the opposition procedure (no time limit)
Nov 14, 2017
Advice of delivery
Oct 26, 2017
Advice of delivery
Oct 19, 2017
Advice of delivery
Oct 18, 2017
Acknowledgement of a document
Oct 18, 2017
Acknowledgement of a document
Oct 18, 2017
Annex to the communication - opposition
Oct 18, 2017
Decision of the Opposition Division and instruction
Oct 18, 2017
Decision rejecting the opposition
Oct 18, 2017
Grounds for the decision (Annex) - opposition
Oct 18, 2017
Internal form - Opposition/addressees
Oct 18, 2017
Internal form - Opposition/addressees
Oct 18, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 18, 2017
Provision of a copy of the minutes - opposition procedure
Sep 28, 2017
Brief communication - Opposition proceedings
Sep 27, 2017
Information about the result of oral proceedings
Sep 22, 2017
Any annexes (other than citation) to an opposition letter
Sep 22, 2017
Non-patent literature cited during the opposition procedure
Sep 22, 2017
Written submission in preparation to/during oral proceedings
Aug 4, 2017
Brief communication - Opposition proceedings
Jul 28, 2017
Brief communication - Opposition proceedings
Jul 27, 2017
Authorisation
Jul 27, 2017
Auxiliary request during Opposition procedure - 01
Jul 27, 2017
Auxiliary request during Opposition procedure - 02
Jul 27, 2017
Auxiliary request during Opposition procedure - 03
Jul 27, 2017
Auxiliary request during Opposition procedure - 04
Jul 27, 2017
Auxiliary request during Opposition procedure - 05
Jul 27, 2017
Auxiliary request during Opposition procedure - 06
Jul 27, 2017
Auxiliary request during Opposition procedure - 07
Jul 27, 2017
Auxiliary request during Opposition procedure - 08
Jul 27, 2017
Auxiliary request during Opposition procedure - 09
Jul 27, 2017
Auxiliary request during Opposition procedure - 10
Jul 27, 2017
Auxiliary request during Opposition procedure - 11
Jul 27, 2017
Written submission in preparation to/during oral proceedings
Jul 21, 2017
Request for interpreters during oral proceedings
Nov 11, 2016
Advice of delivery
Nov 10, 2016
Advice of delivery
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Annex to the communication - opposition
Oct 26, 2016
Information concerning oral proceedings
Oct 26, 2016
Preparation for oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Aug 24, 2016
Brief communication - Opposition proceedings
Aug 17, 2016
Letter regarding the opposition procedure (no time limit)
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Non-patent literature cited during the opposition procedure
Aug 17, 2016
Patent document cited during the opposition procedure
Aug 17, 2016
Patent document cited during the opposition procedure
Aug 17, 2016
Patent document cited during the opposition procedure
Mar 17, 2016
Brief communication - Opposition proceedings
Mar 11, 2016
Auxiliary request during Opposition procedure
Mar 11, 2016
Auxiliary request during Opposition procedure
Mar 11, 2016
Auxiliary request during Opposition procedure
Mar 11, 2016
Auxiliary request during Opposition procedure
Mar 11, 2016
Auxiliary request during Opposition procedure - 01
Mar 11, 2016
Auxiliary request during Opposition procedure - 02
Mar 11, 2016
Auxiliary request during Opposition procedure - 03
Mar 11, 2016
Auxiliary request during Opposition procedure - 04
Mar 11, 2016
Non-patent literature cited during the opposition procedure
Mar 11, 2016
Patent document cited during the opposition procedure
Mar 11, 2016
Reply of the patent proprietor to the notice(s) of opposition
Dec 11, 2015
Grant of extension of time limit (opposition procedure)
Dec 7, 2015
Request for extension of time limit
Sep 18, 2015
All other documents for the Appeal procedure not covered by any other Code
Sep 18, 2015
Annex
Sep 18, 2015
Letter accompanying subsequently filed items
Sep 14, 2015
Communication of a notice of opposition and request to file observations
Sep 14, 2015
Notice of further oppositions to opponent(s)
Aug 27, 2015
Request for change of opponent's representative
Jul 23, 2015
Communication of a notice of opposition - first information to patent proprietor
Jul 17, 2015
(Electronic) Receipt
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Non-patent literature cited during the opposition procedure
Jul 17, 2015
Notice of opposition
Jul 17, 2015
Notice of opposition
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Jul 17, 2015
Patent document cited during the opposition procedure
Nov 5, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 9, 2014
Decision to grant a European patent
Sep 26, 2014
(Electronic) Receipt
Sep 26, 2014
French translation of claims
Sep 26, 2014
German translation of the claims
Sep 26, 2014
Letter accompanying subsequently filed items
Jun 2, 2014
Bibliographic data of the European patent application
Jun 2, 2014
Communication about intention to grant a European patent
Jun 2, 2014
Intention to grant (signatures)
Jun 2, 2014
Text intended for grant
Jul 23, 2013
(Electronic) Receipt
Jul 23, 2013
Amended claims with annotations
Jul 23, 2013
Amended description with annotations
Jul 23, 2013
Claims
Jul 23, 2013
Description
Jul 23, 2013
Letter accompanying subsequently filed items
Jul 23, 2013
Reply to communication from the Examining Division
Apr 26, 2013
Annex to the communication
Apr 26, 2013
Communication from the Examining Division
Nov 12, 2012
(Electronic) Receipt
Nov 12, 2012
Amended claims filed after receipt of (European) search report
Nov 12, 2012
Amended claims with annotations
Nov 12, 2012
Amendments received before examination
Nov 12, 2012
Letter accompanying subsequently filed items
Jun 20, 2012
Notification on forthcoming publication of bibliographic data
May 11, 2012
Copy of the international preliminary report on patentability
May 8, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 26, 2012
Copy of the international preliminary report on patentability
Mar 12, 2012
(Electronic) Receipt
Mar 12, 2012
Request for entry into the European phase
Jan 13, 2012
Information on entry into European phase
Nov 2, 2011
Reminder for payment period (examination fee/designation fees)
Oct 27, 2011
Copy of the international search report
Oct 27, 2011
International publication of the international search report
Sep 5, 2011
Written opinion of the ISA, boxes No. I to VIII
Sep 5, 2011
Written opinion of the ISA, cover sheet
Sep 5, 2011
Written opinion of the ISA, supplemental box
Mar 31, 2011
Priority document (electronically transmitted)
Mar 10, 2011
Published international application - A2
Sep 7, 2010
(Electronic) Receipt
Sep 7, 2010
Abstract
Sep 7, 2010
Claims
Sep 7, 2010
Description
Sep 7, 2010
Priority document (RO-procedure)

EP2475700

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ

Application Number: EP10752339A
Filing Date: Sep 7, 2010
Status: Patent Maintained As Amended; Nov 18, 2022
Publication Date: Dec 21, 2022
External Links: Slate, Register , Google Patents

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Process For Preparing A Polyurethane Foam

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Dossier Documents

EP2475700