Method Of Molding Rigid Polyurethane Foams With Enhanced Thermal Conductivity

Patent No. EP1951777 (titled "Method Of Molding Rigid Polyurethane Foams With Enhanced Thermal Conductivity") was filed by DOW on Nov 3, 2006. The application was issued on May 17, 2017.

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	Feb 16, 2018	ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB
COVESTRO DEUTSCHLAND AGCOVESTRO	Feb 7, 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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Apr 27, 2023
Termination of the opposition proceedings with maintenance of patent
Apr 26, 2023
(Electronic) Receipt
Apr 26, 2023
Advice of delivery
Apr 18, 2023
Advice of delivery
Apr 18, 2023
Decision of the Board of Appeal
Apr 18, 2023
F3032 Notification(s) of the decision
Apr 18, 2023
F3032 Notification(s) of the decision
Apr 18, 2023
F3032 Notification(s) of the decision
Jan 25, 2023
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2023
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2023
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Advice of delivery
Jan 17, 2023
Communication about missing proof of delivery
Jan 17, 2023
F3345 Forwarding of submissions to parties
Jan 16, 2023
(Electronic) Receipt
Jan 16, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 3, 2023
F3345 Forwarding of submissions to parties
Jan 3, 2023
F3345 Forwarding of submissions to parties
Dec 27, 2022
(Electronic) Receipt
Dec 27, 2022
Letter accompanying subsequently filed items
Dec 27, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 23, 2022
Advice of delivery
Dec 23, 2022
F3345 Forwarding of submissions to parties
Dec 23, 2022
F3345 Forwarding of submissions to parties
Dec 23, 2022
Oral proceedings: change of venue
Dec 23, 2022
Oral proceedings: change of venue
Dec 23, 2022
Oral proceedings: change of venue
Dec 22, 2022
(Electronic) Receipt
Dec 22, 2022
Advice of delivery
Dec 22, 2022
Advice of delivery
Dec 22, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2022
Letter accompanying subsequently filed items
Dec 22, 2022
Oral proceedings: change of venue
Dec 22, 2022
Oral proceedings: change of venue
Dec 22, 2022
Oral proceedings: change of venue
Dec 21, 2022
(Electronic) Receipt
Dec 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 21, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
Advice of delivery
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 24, 2022
F3018 Oral proceedings: Confirmation interpreters
Nov 24, 2022
F3018 Oral proceedings: Confirmation interpreters
Nov 24, 2022
F3018 Oral proceedings: Confirmation interpreters
Nov 23, 2022
F3345 Forwarding of submissions to parties
Nov 23, 2022
F3345 Forwarding of submissions to parties
Nov 22, 2022
F3345 Forwarding of submissions to parties
Nov 22, 2022
F3345 Forwarding of submissions to parties
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
Letter accompanying subsequently filed items
Nov 18, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 17, 2022
(Electronic) Receipt
Nov 17, 2022
Letter accompanying subsequently filed items
Nov 17, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2022
F3345 Forwarding of submissions to parties
Nov 9, 2022
F3345 Forwarding of submissions to parties
Nov 3, 2022
(Electronic) Receipt
Nov 3, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 2, 2022
(Electronic) Receipt
Nov 2, 2022
General enquiry
Nov 2, 2022
Letter accompanying subsequently filed items
Mar 28, 2022
(Electronic) Receipt
Mar 28, 2022
Advice of delivery
Mar 21, 2022
(Electronic) Receipt
Mar 21, 2022
Advice of delivery
Mar 21, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
Advice of delivery
Mar 17, 2022
F3011.1 Oral Proceedings: summons
Mar 17, 2022
F3011.1 Oral Proceedings: summons
Mar 17, 2022
F3011.1 Oral Proceedings: summons
Mar 17, 2022
Standard Communication Rule 103 (2) EPC
Mar 17, 2022
Standard Communication Rule 103 (2) EPC
Mar 17, 2022
Standard Communication Rule 103 (2) EPC
Mar 14, 2022
F3010 Oral proceedings: order for summons
Jan 18, 2022
Composition of the board (T)
Apr 7, 2020
F3345 Forwarding of submissions to parties
Apr 1, 2020
(Electronic) Receipt
Apr 1, 2020
Amended claims with annotations
Apr 1, 2020
Amended claims with annotations
Apr 1, 2020
Amended claims with annotations
Apr 1, 2020
Amended claims with annotations
Apr 1, 2020
Amended claims with annotations
Apr 1, 2020
Claims
Apr 1, 2020
Claims
Apr 1, 2020
Claims
Apr 1, 2020
Claims
Apr 1, 2020
Claims
Apr 1, 2020
Letter accompanying subsequently filed items
Apr 1, 2020
Reply to appeal
Dec 6, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 6, 2019
F3345 Forwarding of submissions to parties
Nov 29, 2019
(Electronic) Receipt
Nov 29, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 29, 2019
Letter accompanying subsequently filed items
Nov 29, 2019
Patent Document cited during the appeal procedure
Nov 29, 2019
Patent Document cited during the appeal procedure
Nov 29, 2019
Patent Document cited during the appeal procedure
Nov 29, 2019
Patent Document cited during the appeal procedure
Nov 29, 2019
Patent Document cited during the appeal procedure
Nov 29, 2019
Statement of grounds of appeal
Oct 11, 2019
F3204 Communication of the file number to the parties
Sep 27, 2019
(Electronic) Receipt
Sep 27, 2019
Letter accompanying subsequently filed items
Sep 27, 2019
Notice of appeal
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Advice of delivery
Jul 29, 2019
Letter accompanying subsequently filed items
Jul 25, 2019
Advice of delivery
Jul 24, 2019
Advice of delivery
Jul 24, 2019
Advice of delivery
Jul 23, 2019
Advice of delivery
Jul 19, 2019
Acknowledgement of a document
Jul 19, 2019
Acknowledgement of a document
Jul 19, 2019
Acknowledgement of a document
Jul 19, 2019
Annex to the communication - opposition
Jul 19, 2019
Internal form - Opposition/addressees
Jul 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 19, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 19, 2019
Provision of a copy of the minutes - opposition procedure
Jul 11, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
Communication of amended entries
Jul 2, 2019
Brief communication - Opposition proceedings
Jul 2, 2019
Brief communication - Opposition proceedings
Jul 2, 2019
Information about the result of oral proceedings
Jun 27, 2019
(Electronic) Receipt
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Brief communication - Opposition proceedings
Jun 27, 2019
Brief communication - Opposition proceedings
Jun 27, 2019
Claims
Jun 27, 2019
Claims
Jun 27, 2019
Claims
Jun 27, 2019
Claims
Jun 27, 2019
Claims
Jun 27, 2019
Letter accompanying subsequently filed items
Jun 27, 2019
Written submission in preparation to/during oral proceedings
Jun 14, 2019
Request concerning representative opponent
May 20, 2019
Brief communication - Opposition proceedings
May 20, 2019
Brief communication - Opposition proceedings
May 14, 2019
(Electronic) Receipt
May 14, 2019
Letter accompanying subsequently filed items
May 14, 2019
Request for interpreters during oral proceedings
May 8, 2019
Brief communication - Opposition proceedings
May 8, 2019
Brief communication - Opposition proceedings
May 7, 2019
Brief communication - Opposition proceedings
May 7, 2019
Brief communication - Opposition proceedings
May 2, 2019
(Electronic) Receipt
May 2, 2019
(Electronic) Receipt
May 2, 2019
Letter accompanying subsequently filed items
May 2, 2019
Letter accompanying subsequently filed items
May 2, 2019
Request for interpreters during oral proceedings
May 2, 2019
Written submission in preparation to/during oral proceedings
Apr 29, 2019
Brief communication - Opposition proceedings
Apr 29, 2019
Brief communication - Opposition proceedings
Apr 23, 2019
(Electronic) Receipt
Apr 23, 2019
Letter accompanying subsequently filed items
Apr 23, 2019
Written submission in preparation to/during oral proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
General authorisation
Mar 21, 2019
Letter accompanying subsequently filed items
Mar 21, 2019
Written submission in preparation to/during oral proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 13, 2019
Communication of amended entries
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Request concerning representative opponent
Oct 31, 2018
Advice of delivery
Oct 31, 2018
Letter regarding the opposition procedure (no time limit)
Oct 29, 2018
Advice of delivery
Oct 26, 2018
Advice of delivery
Oct 25, 2018
Advice of delivery
Oct 23, 2018
Acknowledgement of a document
Oct 23, 2018
Acknowledgement of a document
Oct 23, 2018
Acknowledgement of a document
Oct 23, 2018
Annex to the communication - opposition
Oct 23, 2018
Information concerning oral proceedings
Oct 23, 2018
Preparation for oral proceedings
Oct 23, 2018
Summons to attend oral proceedings
Oct 23, 2018
Summons to attend oral proceedings
Oct 23, 2018
Summons to attend oral proceedings
Oct 12, 2018
Brief communication - Opposition proceedings
Oct 12, 2018
Brief communication - Opposition proceedings
Oct 8, 2018
(Electronic) Receipt
Oct 8, 2018
Letter accompanying subsequently filed items
Oct 8, 2018
Reply from the opponent to submission of proprietor
Jul 16, 2018
Brief communication - Opposition proceedings
Jul 16, 2018
Brief communication - Opposition proceedings
Jul 9, 2018
(Electronic) Receipt
Jul 9, 2018
Letter accompanying subsequently filed items
Jul 9, 2018
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2018
Communication of a notice of opposition and request to file observations
Mar 1, 2018
Notice of further oppositions to opponent(s)
Mar 1, 2018
Notice of further oppositions to opponent(s)
Feb 22, 2018
Communication of a notice of opposition - first information to patent proprietor
Feb 16, 2018
(Electronic) Receipt
Feb 16, 2018
Non-patent literature cited during the opposition procedure
Feb 16, 2018
Notice of opposition
Feb 16, 2018
Notice of opposition
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 16, 2018
Patent document cited during the opposition procedure
Feb 14, 2018
Communication of a notice of opposition - first information to patent proprietor
Feb 9, 2018
(Electronic) Receipt
Feb 9, 2018
Letter accompanying subsequently filed items
Feb 9, 2018
Notice of opposition
Feb 7, 2018
(Electronic) Receipt
Feb 7, 2018
Letter accompanying subsequently filed items
Feb 7, 2018
Non-patent literature cited during the opposition procedure
Feb 7, 2018
Non-patent literature cited during the opposition procedure
Feb 7, 2018
Notice of opposition
Feb 7, 2018
Patent document cited during the opposition procedure
Feb 7, 2018
Patent document cited during the opposition procedure
Dec 13, 2017
Confirmation of revocation of automatic debit order
May 17, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2017
Decision to grant a European patent
Apr 6, 2017
Bibliographic data of the European patent application
Apr 6, 2017
Information about intention to grant a patent
Apr 6, 2017
Intention to grant (signatures)
Apr 6, 2017
Text intended for grant (clean copy)
Apr 6, 2017
Text intended for grant (version for approval)
Apr 5, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 1, 2017
(Electronic) Receipt
Mar 1, 2017
Amended claims with annotations
Mar 1, 2017
Claims
Mar 1, 2017
French translation of claims
Mar 1, 2017
German translation of the claims
Mar 1, 2017
Letter accompanying subsequently filed items
Mar 1, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 26, 2016
Bibliographic data of the European patent application
Oct 26, 2016
Communication about intention to grant a European patent
Oct 26, 2016
Intention to grant (signatures)
Oct 26, 2016
Text intended for grant (clean copy)
Oct 26, 2016
Text intended for grant (version for approval)
Aug 18, 2016
(Electronic) Receipt
Aug 18, 2016
Amended claims with annotations
Aug 18, 2016
Amended description with annotations
Aug 18, 2016
Claims
Aug 18, 2016
Description
Aug 18, 2016
Letter accompanying subsequently filed items
Aug 18, 2016
Reply to communication from the Examining Division
May 9, 2016
Annex to the communication
May 9, 2016
Communication from the Examining Division
Mar 17, 2014
Communication of amended entries concerning the representative
Mar 7, 2014
Submission concerning change of applicant's representative
Dec 16, 2011
(Electronic) Receipt
Dec 16, 2011
Amended claims with annotations
Dec 16, 2011
Claims
Dec 16, 2011
Letter accompanying subsequently filed items
Dec 16, 2011
Non-patent literature cited during the examination procedure
Dec 16, 2011
Reply to communication from the Examining Division
Aug 29, 2011
Annex to the communication
Aug 29, 2011
Communication from the Examining Division
Mar 16, 2011
Communication of the registration of a transfer or change of name and/or address
Mar 7, 2011
Submission concerning change of applicant's name
Apr 3, 2009
Claims
Apr 3, 2009
Reply to communication from the Examining Division
Feb 7, 2009
Request for extension of time limit to communication from the Examining Division
Feb 5, 2009
Grant of extension of time limit (examination procedure)
Jan 30, 2009
Request for extension of time limit to communication from the Examining Division
Oct 20, 2008
Letter concerning the inventor
Sep 29, 2008
Annex to the communication
Sep 29, 2008
Communication from the Examining Division
Aug 8, 2008
CDS Clean up - amended applicant details
Jul 14, 2008
Invitation to indicate correct address of inventor
Jul 10, 2008
Communication regarding possible amendment of claims/payment of claims fees
Jul 9, 2008
Notification on forthcoming publication of bibliographic data
Jul 7, 2008
Letter which had not been notified
Jun 4, 2008
Copy of the international preliminary report on patentability
May 19, 2008
Confirmation of receipt of (electronically) transmitted priority document
May 13, 2008
Matter concerning the application
May 13, 2008
Request for entry into the European phase
May 8, 2008
Fax request to enter the European phase
May 8, 2008
Letter accompanying subsequently filed items
May 8, 2008
Matter concerning the application
Mar 28, 2008
Information on entry into European phase
Jun 13, 2007
Priority document (electronically transmitted)
May 24, 2007
Copy of the international search report
May 24, 2007
Published international application - A1
Dec 29, 2006
Abstract
Dec 29, 2006
Claims
Dec 29, 2006
Description
Dec 29, 2006
Submission concerning representation

EP1951777

DOW

Application Number: EP06827462A
Filing Date: Nov 3, 2006
Status: Opposition Rejected; Apr 28, 2023
Publication Date: May 17, 2017
External Links: Slate, Register , Google Patents

IP Verse

Method Of Molding Rigid Polyurethane Foams With Enhanced Thermal Conductivity

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP1951777