Self Limiting Catalyst Composition And Propylene Polymerization Process

Patent No. EP1668046 (titled "Self Limiting Catalyst Composition And Propylene Polymerization Process") was filed by DOW on Sep 17, 2004. The application was issued on Apr 21, 2021.

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
BASELL POLIOLEFINE ITALIA	Dec 4, 2015	LYONDELLBASELL

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 11, 2021
Decision to maintain the European patent in amended form
Feb 11, 2021
Decision to maintain the European patent in amended form
Feb 5, 2021
Termination of the opposition proceedings with maintenance of patent
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Filing of the translation of the amended claims
Feb 2, 2021
French translation of claims
Feb 2, 2021
German translation of the claims
Feb 2, 2021
Letter accompanying subsequently filed items
Jan 29, 2021
Correction to published European patent application/patent specification
Jan 21, 2021
Communication concerning corrected entries of the applicant
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Letter accompanying subsequently filed items
Dec 22, 2020
Request for correction of errors in filed documents
Oct 27, 2020
Communication of bibliographic data
Oct 27, 2020
Communication to opponent concerning maintenance
Oct 27, 2020
Communication with request to file translations
Oct 21, 2020
Maintenance of the patent with the documents specified in the final decision
Oct 19, 2020
Advice of delivery
Oct 19, 2020
Advice of delivery
Oct 19, 2020
Maintenance of the patent with the documents specified in the final decision
Oct 16, 2020
(Electronic) Receipt
Oct 16, 2020
Advice of delivery
Oct 16, 2020
Letter accompanying subsequently filed items
Oct 12, 2020
Decision of the Board of Appeal
Oct 12, 2020
F3032 Notification(s) of the decision
Oct 12, 2020
F3032 Notification(s) of the decision
Sep 25, 2020
F3013 Oral Proceedings: Forwarding minutes
Sep 25, 2020
F3013 Oral Proceedings: Forwarding minutes
Sep 25, 2020
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 18, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 18, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 18, 2020
F3345 Forwarding of submissions to parties
Sep 18, 2020
Oral proceedings: reply to date proposed
Sep 17, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 17, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 17, 2020
F3345 Forwarding of submissions to parties
Sep 15, 2020
(Electronic) Receipt
Sep 15, 2020
Letter accompanying subsequently filed items
Sep 15, 2020
Letter dealing with oral proceedings during the appeal procedure
Sep 14, 2020
(Electronic) Receipt
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Letter dealing with oral proceedings during the appeal procedure
Sep 2, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 2, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 31, 2020
F3345 Forwarding of submissions to parties
Aug 26, 2020
(Electronic) Receipt
Aug 26, 2020
Letter accompanying subsequently filed items
Aug 26, 2020
Letter dealing with oral proceedings during the appeal procedure
Aug 26, 2020
Letter dealing with oral proceedings during the appeal procedure
Aug 11, 2020
F3345 Forwarding of submissions to parties
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Letter dealing with oral proceedings during the appeal procedure
May 4, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 4, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Letter dealing with oral proceedings during the appeal procedure
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Letter dealing with oral proceedings during the appeal procedure
Feb 13, 2020
Advice of delivery
Feb 4, 2020
(Electronic) Receipt
Feb 4, 2020
Advice of delivery
Feb 4, 2020
Letter accompanying subsequently filed items
Feb 3, 2020
Brief communication - Opposition proceedings
Feb 3, 2020
Communication of amended entries
Jan 30, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 30, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 28, 2020
F3345 Forwarding of submissions to parties
Jan 27, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Jan 22, 2020
Advice of delivery
Jan 21, 2020
(Electronic) Receipt
Jan 21, 2020
Advice of delivery
Jan 21, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 21, 2020
Letter accompanying subsequently filed items
Jan 21, 2020
Oral proceedings: Request for postponement
Jan 15, 2020
F3011.1 Oral Proceedings: summons
Jan 15, 2020
F3011.1 Oral Proceedings: summons
Jan 14, 2020
Request for change of opponent's representative
Jan 13, 2020
Request for change of opponent's representative
Jan 13, 2020
Request for change of opponent's representative
Jan 10, 2020
F3010 Oral proceedings: order for summons
Oct 11, 2018
Request for a change of address - opponent
Aug 27, 2018
F3345 Forwarding of submissions to parties
Aug 17, 2018
(Electronic) Receipt
Aug 17, 2018
Amended claims with annotations
Aug 17, 2018
Claims
Aug 17, 2018
Letter accompanying subsequently filed items
Aug 17, 2018
Reply to appeal
Jun 18, 2018
Composition of the board (T)
Apr 9, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Letter accompanying subsequently filed items
Apr 4, 2018
Patent Document cited during the appeal procedure
Apr 4, 2018
Patent Document cited during the appeal procedure
Apr 4, 2018
Statement of grounds of appeal
Feb 12, 2018
Communication of amended entries in the Register of European Patents
Feb 12, 2018
F3345 Forwarding of submissions to parties
Feb 6, 2018
(Electronic) Receipt
Feb 6, 2018
Letter accompanying subsequently filed items
Feb 6, 2018
Request for a change of address - opponent
Jan 30, 2018
F3204 Communication of the file number to the parties
Jan 30, 2018
F3204 Communication of the file number to the parties
Jan 29, 2018
Brief communication - Opposition proceedings
Jan 29, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 24, 2018
Processing of an appeal
Jan 22, 2018
(Electronic) Receipt
Jan 22, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Notice of appeal
Jan 16, 2018
Brief communication - Opposition proceedings
Jan 16, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 10, 2018
(Electronic) Receipt
Jan 10, 2018
Letter accompanying subsequently filed items
Jan 10, 2018
Letter regarding the opposition procedure (no time limit)
Dec 1, 2017
Advice of delivery
Nov 30, 2017
(Electronic) Receipt
Nov 30, 2017
Advice of delivery
Nov 30, 2017
Letter accompanying subsequently filed items
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Acknowledgement of a document
Nov 24, 2017
Annex to the communication - opposition
Nov 24, 2017
Decision of the Opposition Division and instruction
Nov 24, 2017
Druckexemplar in opposition procedure
Nov 24, 2017
Grounds for the decision (Annex) - opposition
Nov 24, 2017
Interlocutory decision in opposition proceedings
Nov 24, 2017
Internal form - Opposition/addressees
Nov 24, 2017
Internal form - Opposition/addressees
Nov 24, 2017
Means of redress
Nov 24, 2017
Means of redress
Nov 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 24, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 24, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 24, 2017
Provision of a copy of the minutes - opposition procedure
Nov 24, 2017
Scanned annex to a communication - opposition procedure
Oct 27, 2017
Brief communication - Opposition proceedings
Oct 24, 2017
Information about the result of oral proceedings
Oct 23, 2017
Brief communication - Opposition proceedings
Oct 20, 2017
(Electronic) Receipt
Oct 20, 2017
Letter accompanying subsequently filed items
Oct 20, 2017
Non-patent literature cited during the opposition procedure
Oct 20, 2017
Written submission in preparation to/during oral proceedings
Sep 28, 2017
Brief communication - Opposition proceedings
Sep 22, 2017
(Electronic) Receipt
Sep 22, 2017
Letter accompanying subsequently filed items
Sep 22, 2017
Written submission in preparation to/during oral proceedings
Aug 30, 2017
Brief communication - Opposition proceedings
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 24, 2017
(Electronic) Receipt
Aug 24, 2017
Any annexes (other than citation) to an opposition letter
Aug 24, 2017
Letter accompanying subsequently filed items
Aug 24, 2017
Written submission in preparation to/during oral proceedings
Aug 22, 2017
(Electronic) Receipt
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Amended claims with annotations
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Claims
Aug 22, 2017
Request for interpreters during oral proceedings
Aug 22, 2017
Written submission in preparation to/during oral proceedings
Jun 12, 2017
Communication of amended entries concerning the representative
Jun 7, 2017
Submission concerning change of applicant's representative
Jun 6, 2017
Submission concerning change of applicant's representative
Nov 29, 2016
Advice of delivery
Nov 16, 2016
(Electronic) Receipt
Nov 16, 2016
Advice of delivery
Nov 16, 2016
Letter accompanying subsequently filed items
Nov 15, 2016
Advice of delivery
Nov 7, 2016
Acknowledgement of a document
Nov 7, 2016
Acknowledgement of a document
Nov 7, 2016
Annex to the communication - opposition
Nov 7, 2016
Information concerning oral proceedings
Nov 7, 2016
Preparation for oral proceedings
Nov 7, 2016
Summons to attend oral proceedings
Nov 7, 2016
Summons to attend oral proceedings
Oct 31, 2016
Information about the result of oral proceedings
Jul 26, 2016
Brief communication - Opposition proceedings
Jul 20, 2016
(Electronic) Receipt
Jul 20, 2016
Amended claims with annotations
Jul 20, 2016
Claims
Jul 20, 2016
Letter accompanying subsequently filed items
Jul 20, 2016
Reply of the patent proprietor to the notice(s) of opposition
May 4, 2016
Brief communication - Opposition proceedings
May 4, 2016
Grant of extension of time limit (opposition procedure)
Apr 29, 2016
(Electronic) Receipt
Apr 29, 2016
Letter accompanying subsequently filed items
Apr 29, 2016
Request for extension of time limit
Jan 11, 2016
Communication of a notice of opposition and request to file observations
Jan 11, 2016
Notice of further oppositions to opponent(s)
Dec 9, 2015
Communication of a notice of opposition - first information to patent proprietor
Dec 4, 2015
(Electronic) Receipt
Dec 4, 2015
Non-patent literature cited during the opposition procedure
Dec 4, 2015
Non-patent literature cited during the opposition procedure
Dec 4, 2015
Notice of opposition
Dec 4, 2015
Notice of opposition
Dec 4, 2015
Patent document cited during the opposition procedure
Dec 4, 2015
Patent document cited during the opposition procedure
Dec 4, 2015
Patent document cited during the opposition procedure
Dec 4, 2015
Patent document cited during the opposition procedure
Mar 4, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 5, 2015
Decision to grant a European patent
Jan 23, 2015
(Electronic) Receipt
Jan 23, 2015
Filing of the translations of the claims
Jan 23, 2015
French translation of claims
Jan 23, 2015
German translation of the claims
Jan 23, 2015
Letter accompanying subsequently filed items
Sep 15, 2014
Bibliographic data of the European patent application
Sep 15, 2014
Communication about intention to grant a European patent
Sep 15, 2014
Intention to grant (signatures)
Sep 15, 2014
Text intended for grant
May 30, 2014
Communication of the registration of a transfer or change of name and/or address
Mar 17, 2014
(Electronic) Receipt
Mar 17, 2014
Annexes in respect of a client data request
Mar 17, 2014
Communication of amended entries concerning the representative
Mar 17, 2014
Letter accompanying subsequently filed items
Mar 17, 2014
Submission concerning a transfer of rights (applicant)
Mar 7, 2014
Confirmation of revocation of automatic debit order
Mar 7, 2014
Submission concerning change of applicant's representative
Mar 4, 2014
Letter relating to the automatic debiting procedure
Feb 24, 2014
Submission concerning representation
Jan 23, 2014
(Electronic) Receipt
Jan 23, 2014
Amended description with annotations
Jan 23, 2014
Description
Jan 23, 2014
Letter accompanying subsequently filed items
Jan 23, 2014
Reply to communication from the Examining Division
Sep 23, 2013
Annex to the communication
Sep 23, 2013
Communication from the Examining Division
Feb 28, 2012
(Electronic) Receipt
Feb 28, 2012
Claims
Feb 28, 2012
Letter accompanying subsequently filed items
Feb 28, 2012
Reply to communication from the Examining Division
Nov 3, 2011
Annex to the communication
Nov 3, 2011
Communication from the Examining Division
Nov 3, 2011
Refund of fees
Mar 29, 2011
Communication of amended entries concerning the 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
Feb 24, 2011
Submission concerning representation
Feb 9, 2011
(Electronic) Receipt
Feb 9, 2011
Amended claims with annotations
Feb 9, 2011
Claims
Feb 9, 2011
Grant of extension of time limit (examination procedure)
Feb 9, 2011
Letter accompanying subsequently filed items
Feb 9, 2011
Reply to communication from the Examining Division
Feb 9, 2011
Submission concerning representation
Feb 4, 2011
(Electronic) Receipt
Feb 4, 2011
Letter accompanying subsequently filed items
Feb 4, 2011
Request for extension of time limit to communication from the Examining Division
Oct 7, 2010
Annex to the communication
Oct 7, 2010
Communication from the Examining Division
Mar 19, 2009
(Electronic) Receipt
Mar 19, 2009
Claims
Mar 19, 2009
Claims
Mar 19, 2009
Letter accompanying subsequently filed items
Mar 19, 2009
Reply to communication from the Examining Division
Dec 3, 2008
Annex to the communication
Dec 3, 2008
Communication from the Examining Division
Jul 7, 2008
(Electronic) Receipt
Jul 7, 2008
Claims
Jul 7, 2008
Claims
Jul 7, 2008
Description
Jul 7, 2008
Description
Jul 7, 2008
Letter accompanying subsequently filed items
Jul 7, 2008
Reply to communication from the Examining Division
May 28, 2008
Grant of extension of time limit (examination procedure)
May 20, 2008
(Electronic) Receipt
May 20, 2008
Letter accompanying subsequently filed items
May 20, 2008
Request for extension of time limit to communication from the Examining Division
Jan 17, 2008
Annex to the communication
Jan 17, 2008
Communication from the Examining Division
Sep 5, 2006
Priority document (electronically transmitted)
May 29, 2006
Priority document not received from IB during Euro-PCT phase
May 17, 2006
Notification on forthcoming publication of bibliographic data
May 11, 2006
Communication regarding possible amendment of claims/payment of claims fees
May 9, 2006
Communication to designated inventor
May 9, 2006
Communication to designated inventor
Apr 10, 2006
Copy of the international preliminary report on patentability
Mar 6, 2006
Submission concerning representation
Feb 17, 2006
Letter accompanying subsequently filed items
Feb 17, 2006
Letter accompanying subsequently filed items
Feb 17, 2006
Matter concerning the application
Feb 17, 2006
Matter concerning the application
Feb 17, 2006
Request for entry into the European phase
Feb 17, 2006
Request for entry into the European phase
Feb 10, 2006
Information on entry into European phase
Apr 25, 2005
Priority document (electronically transmitted)
Apr 25, 2005
Priority document (electronically transmitted)
Apr 7, 2005
Copy of the international search report
Apr 7, 2005
Published international application - A1
Oct 27, 2004
Abstract
Oct 27, 2004
Claims
Oct 27, 2004
Description
Oct 27, 2004
Submission concerning representation

EP1668046

DOW

Application Number: EP04784378A
Filing Date: Sep 17, 2004
Status: Patent Maintained As Amended; Feb 5, 2021
Publication Date: Apr 21, 2021
External Links: Slate, Register , Google Patents

IP Verse

Self Limiting Catalyst Composition And Propylene Polymerization Process

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Dossier Documents

EP1668046