Methylhydroxypropylcellulose (Mhpc) For Mineral -Bound Building Material Systems

Patent No. EP2134752 (titled "Methylhydroxypropylcellulose (Mhpc) For Mineral -Bound Building Material Systems") was filed by DOW on Mar 15, 2008. The application was issued on Apr 19, 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
TYLOSE & COKG	Jan 18, 2018	PLATE

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 16, 2022
Advice of delivery
Feb 14, 2022
Advice of delivery
Feb 14, 2022
Refund of fees
Feb 14, 2022
Refund of fees
Feb 10, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 10, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 10, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 10, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 8, 2022
F3345 Forwarding of submissions to parties
Feb 8, 2022
Termination of the opposition proceedings with revocation of patent
Feb 7, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Withdrawal of an appeal
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 3, 2022
Withdrawal of a request for oral proceedings
Jan 18, 2022
F3345 Forwarding of submissions to parties
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Letter dealing with oral proceedings during the appeal procedure
Jan 4, 2022
F3345 Forwarding of submissions to parties
Dec 20, 2021
(Electronic) Receipt
Dec 20, 2021
Letter accompanying subsequently filed items
Dec 20, 2021
Letter dealing with oral proceedings during the appeal procedure
Dec 20, 2021
Request for interpreters during oral proceedings
Dec 16, 2021
Advice of delivery
Dec 15, 2021
Advice of delivery
Dec 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2021
Oral proceedings: change of venue
Dec 9, 2021
Oral proceedings: change of venue
Nov 11, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 11, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 14, 2021
Advice of delivery
Oct 11, 2021
Advice of delivery
Oct 6, 2021
F3011.1 Oral Proceedings: summons
Oct 6, 2021
F3011.1 Oral Proceedings: summons
Oct 1, 2021
F3010 Oral proceedings: order for summons
Sep 30, 2021
F3303.16 Change of composition of the Board (T)
Apr 15, 2021
Document concerning representation
Oct 5, 2020
Composition of the board (T)
Apr 16, 2020
F3345 Forwarding of submissions to parties
Apr 8, 2020
(Electronic) Receipt
Apr 8, 2020
Letter accompanying subsequently filed items
Apr 8, 2020
Letter relating to Appeal Procedure
Jan 21, 2020
F3345 Forwarding of submissions to parties
Jan 15, 2020
(Electronic) Receipt
Jan 15, 2020
Letter accompanying subsequently filed items
Jan 15, 2020
Reply to appeal
Sep 5, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 2, 2019
(Electronic) Receipt
Sep 2, 2019
Amended claims with annotations
Sep 2, 2019
Amended claims with annotations
Sep 2, 2019
Amended claims with annotations
Sep 2, 2019
Auxiliary request during appeals procedure - 01
Sep 2, 2019
Auxiliary request during appeals procedure - 02
Sep 2, 2019
Auxiliary request during appeals procedure - 03
Sep 2, 2019
Letter accompanying subsequently filed items
Sep 2, 2019
Statement of grounds of appeal
Jul 5, 2019
F3204 Communication of the file number to the parties
Jul 5, 2019
F3204 Communication of the file number to the parties
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
Letter accompanying subsequently filed items
Jul 2, 2019
Notice of appeal
Jul 2, 2019
Processing of an appeal
May 6, 2019
Advice of delivery
May 2, 2019
Advice of delivery
Apr 30, 2019
Advice of delivery
Apr 30, 2019
Advice of delivery
Apr 26, 2019
Acknowledgement of a document
Apr 26, 2019
Acknowledgement of a document
Apr 26, 2019
Annex to the communication - opposition
Apr 26, 2019
Decision of the Opposition Division and instruction
Apr 26, 2019
Decision revoking the European patent
Apr 26, 2019
Grounds for the decision (Annex) - opposition
Apr 26, 2019
Internal form - Opposition/addressees
Apr 26, 2019
Internal form - Opposition/addressees
Apr 26, 2019
Means of redress
Apr 26, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 26, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 26, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 26, 2019
Provision of a copy of the minutes - opposition procedure
Apr 10, 2019
Information about the result of oral proceedings
Feb 18, 2019
Brief communication - Opposition proceedings
Feb 13, 2019
Consolidated list of cited opposition documents
Feb 12, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
Request for interpreters during oral proceedings
Feb 8, 2019
(Electronic) Receipt
Feb 8, 2019
Letter accompanying subsequently filed items
Feb 8, 2019
Written submission in preparation to/during oral proceedings
Feb 7, 2019
Request for interpreters during oral proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 23, 2019
(Electronic) Receipt
Jan 23, 2019
Letter accompanying subsequently filed items
Jan 23, 2019
Request for interpreters during oral proceedings
Sep 11, 2018
Advice of delivery
Sep 10, 2018
Advice of delivery
Sep 10, 2018
Advice of delivery
Sep 10, 2018
Advice of delivery
Sep 5, 2018
Acknowledgement of a document
Sep 5, 2018
Acknowledgement of a document
Sep 5, 2018
Annex to the communication - opposition
Sep 5, 2018
Information concerning oral proceedings
Sep 5, 2018
Preparation for oral proceedings
Sep 5, 2018
Summons to attend oral proceedings
Sep 5, 2018
Summons to attend oral proceedings
Jun 8, 2018
Brief communication - Opposition proceedings
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Letter accompanying subsequently filed items
Jun 4, 2018
Reply of the patent proprietor to the notice(s) of opposition
Feb 6, 2018
Communication of a notice of opposition and request to file observations
Feb 6, 2018
Notice of further oppositions to opponent(s)
Jan 25, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 18, 2018
(Electronic) Receipt
Jan 18, 2018
Notice of opposition
Jan 18, 2018
Notice of opposition
Dec 21, 2017
Confirmation of revocation of automatic debit order
Dec 18, 2017
Letter relating to the automatic debiting procedure
Apr 19, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 23, 2017
Decision to grant a European patent
Mar 22, 2017
Refund of fees
Mar 6, 2017
(Electronic) Receipt
Mar 6, 2017
Filing of the translations of the claims
Mar 6, 2017
French translation of claims
Mar 6, 2017
German translation of the claims
Mar 6, 2017
Letter accompanying subsequently filed items
Oct 27, 2016
Bibliographic data of the European patent application
Oct 27, 2016
Communication about intention to grant a European patent
Oct 27, 2016
Intention to grant (signatures)
Oct 27, 2016
Text intended for grant (clean copy)
Oct 27, 2016
Text intended for grant (version for approval)
Jan 23, 2016
Amended claims with annotations
Jan 23, 2016
Claims
Jan 23, 2016
Reply to communication from the Examining Division
Sep 28, 2015
Annex to the communication
Sep 28, 2015
Communication from the Examining Division
Apr 1, 2015
Response to enquiry for communication from the Examining Division
Mar 27, 2015
Enquiry as to when a communication from the Examining Division can be expected
Dec 16, 2013
Submission concerning representation
May 2, 2013
Communication of amended entries concerning the representative
Apr 26, 2013
Communication of amended entries concerning the representative
Apr 19, 2013
Submission concerning change of applicant's representative
Apr 17, 2013
Submission concerning change of applicant's representative
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
Aug 3, 2010
Amended claims with annotations
Aug 3, 2010
Annex
Aug 3, 2010
Claims
Aug 3, 2010
Reply to communication from the Examining Division
Jun 4, 2010
Grant of extension of time limit (examination procedure)
May 28, 2010
Request for extension of time limit to communication from the Examining Division
May 27, 2010
Request for extension of time limit to communication from the Examining Division
Jan 27, 2010
Annex to the communication
Jan 27, 2010
Communication from the Examining Division
Nov 25, 2009
Notification on forthcoming publication of bibliographic data
Nov 17, 2009
Communication regarding possible amendment of claims/payment of claims fees
Oct 15, 2009
Copy of the international preliminary examination report
Oct 15, 2009
General authorisation
Oct 15, 2009
Request for entry into the European phase
Oct 15, 2009
Submission concerning representation
Oct 15, 2009
Submission concerning representation
Oct 6, 2009
Subsequently filed documents not duly signed
Sep 29, 2009
Request for entry into the European phase
Sep 29, 2009
Submission concerning representation
Sep 23, 2009
Fax request to enter the European phase
Sep 23, 2009
Letter accompanying subsequently filed items
Sep 23, 2009
Request for entry into the European phase
Aug 20, 2009
Information on entry into European phase
Jul 31, 2009
International preliminary examination report
Jul 31, 2009
International preliminary examination report
Jul 31, 2009
International preliminary examination report - free text sheet
Jul 31, 2009
International preliminary examination report - free text sheet
Jul 31, 2009
International preliminary examination report - points I-VIII
Jul 31, 2009
International preliminary examination report - points I-VIII
Jul 31, 2009
Notification of documents sent to WIPO
Jul 31, 2009
Transmittal of International Preliminary Examination Report
Apr 3, 2009
Notification of the recording of a change
Apr 3, 2009
Notification of the recording of a change
Apr 3, 2009
Notification of the recording of a change
Nov 5, 2008
Priority document (electronically transmitted)
Oct 21, 2008
Notification of documents sent to WIPO
Oct 21, 2008
Notification of receipt of demand
Oct 16, 2008
Copy of the international search report
Oct 16, 2008
Published international application - A1
Sep 26, 2008
PCT demand form
Sep 26, 2008
Reply to International Search Opinion
Mar 15, 2008
Abstract
Mar 15, 2008
Claims
Mar 15, 2008
Description

EP2134752

DOW

Application Number: EP08716568A
Filing Date: Mar 15, 2008
Status: Revoked; Feb 11, 2022
Publication Date: Apr 19, 2017
External Links: Slate, Register , Google Patents

IP Verse

Methylhydroxypropylcellulose (Mhpc) For Mineral -Bound Building Material Systems

Patent Summary

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Dossier Documents

EP2134752