Loop Reactor With Varying Diameter For Olefin Polymerization

Patent No. EP1663475 (titled "Loop Reactor With Varying Diameter For Olefin Polymerization") was filed by Basell Polyolefine on Sep 16, 2004. The application was issued on Nov 9, 2016.

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
TOTAL RESEARCH & TECHNOLOGY FELUY	Aug 7, 2017	CABINET CHAILLOT

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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Jun 21, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 21, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 17, 2019
Termination of the opposition proceedings with revocation of patent
Mar 15, 2019
Advice of delivery
Mar 11, 2019
Advice of delivery
Mar 11, 2019
Advice of delivery
Mar 7, 2019
Advice of delivery
Mar 6, 2019
Acknowledgement of a document
Mar 6, 2019
Acknowledgement of a document
Mar 6, 2019
Annex to the communication - opposition
Mar 6, 2019
Decision of the Opposition Division and instruction
Mar 6, 2019
Decision revoking the European patent
Mar 6, 2019
Grounds for the decision (Annex) - opposition
Mar 6, 2019
Internal form - Opposition/addressees
Mar 6, 2019
Internal form - Opposition/addressees
Mar 6, 2019
Means of redress
Mar 6, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 6, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 6, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 6, 2019
Provision of a copy of the minutes - opposition procedure
Jan 28, 2019
Brief communication - Opposition proceedings
Jan 25, 2019
Information about the result of oral proceedings
Jan 21, 2019
(Electronic) Receipt
Jan 21, 2019
General authorisation
Jan 21, 2019
Letter accompanying subsequently filed items
Nov 30, 2018
Brief communication - Opposition proceedings
Nov 27, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
(Electronic) Receipt
Nov 23, 2018
Letter accompanying subsequently filed items
Nov 23, 2018
Written submission in preparation to/during oral proceedings
Nov 22, 2018
(Electronic) Receipt
Nov 22, 2018
Letter accompanying subsequently filed items
Nov 22, 2018
Written submission in preparation to/during oral proceedings
Jun 28, 2018
Advice of delivery
Jun 26, 2018
Advice of delivery
Jun 25, 2018
Advice of delivery
Jun 22, 2018
Advice of delivery
Jun 20, 2018
Acknowledgement of a document
Jun 20, 2018
Acknowledgement of a document
Jun 20, 2018
Annex to the communication - opposition
Jun 20, 2018
Information concerning oral proceedings
Jun 20, 2018
Preparation for oral proceedings
Jun 20, 2018
Summons to attend oral proceedings
Jun 20, 2018
Summons to attend oral proceedings
Mar 15, 2018
Brief communication - Opposition proceedings
Mar 15, 2018
Communication of amended entries
Mar 7, 2018
Request for change of opponent's representative
Jan 29, 2018
Brief communication - Opposition proceedings
Jan 18, 2018
(Electronic) Receipt
Jan 18, 2018
Amended claims with annotations
Jan 18, 2018
Amended claims with annotations
Jan 18, 2018
Claims
Jan 18, 2018
Claims
Jan 18, 2018
Letter accompanying subsequently filed items
Jan 18, 2018
Reply of the patent proprietor to the notice(s) of opposition
Sep 19, 2017
Communication of a notice of opposition and request to file observations
Sep 19, 2017
Notice of further oppositions to opponent(s)
Aug 22, 2017
Communication of a notice of opposition - first information to patent proprietor
Aug 7, 2017
(Electronic) Receipt
Aug 7, 2017
Letter regarding the opposition procedure (no time limit)
Aug 7, 2017
Notice of opposition
Aug 7, 2017
Notice of opposition
Aug 7, 2017
Patent document cited during the opposition procedure
Aug 7, 2017
Patent document cited during the opposition procedure
Nov 9, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 13, 2016
Decision to grant a European patent
Sep 30, 2016
(Electronic) Receipt
Sep 30, 2016
Filing of the translations of the claims
Sep 30, 2016
French translation of claims
Sep 30, 2016
German translation of the claims
Aug 19, 2016
Bibliographic data of the European patent application
Aug 19, 2016
Communication about intention to grant a European patent
Aug 19, 2016
Intention to grant (signatures)
Aug 19, 2016
Text intended for grant (clean copy)
Aug 19, 2016
Text intended for grant (version for approval)
Jun 6, 2016
(Electronic) Receipt
Jun 6, 2016
Amended claims with annotations
Jun 6, 2016
Amended description with annotations
Jun 6, 2016
Claims
Jun 6, 2016
Description
Jun 6, 2016
Letter accompanying subsequently filed items
Jun 6, 2016
Reply to communication from the Examining Division
Apr 13, 2016
Annex to the communication
Apr 13, 2016
Communication from the Examining Division
Mar 3, 2016
CDS Clean up - amended applicant details
Dec 5, 2013
CDS Clean up - amended data concerning the representative for the applicant
Oct 10, 2013
Communication of amended entries concerning the representative
Oct 7, 2013
Submission concerning change of applicant's representative
Oct 2, 2013
Submission concerning change of applicant's representative
Mar 19, 2013
Submission concerning change of applicant's representative
Jan 19, 2011
Submission concerning change of applicant's representative
Jan 18, 2011
Submission concerning representation
Apr 16, 2009
Claims
Apr 16, 2009
Claims
Apr 16, 2009
Reply to communication from the Examining Division
Dec 12, 2008
Annex to the communication
Dec 12, 2008
Communication from the Examining Division
Aug 1, 2006
Letter concerning the inventor
Jul 27, 2006
Invitation to indicate correct address of inventor
Jul 3, 2006
Letter which had not been notified
May 10, 2006
Notification on forthcoming publication of bibliographic data
May 3, 2006
Communication regarding possible amendment of claims/payment of claims fees
Apr 11, 2006
Notification of election of EPO
Mar 31, 2006
Annexes to the international preliminary examination report
Mar 31, 2006
Copy of the international preliminary examination report
Mar 31, 2006
Reply by International Bureau
Mar 24, 2006
Enquiry with the International Bureau
Mar 20, 2006
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 20, 2006
Request for entry into the European phase
Feb 3, 2006
Information on entry into European phase
Nov 9, 2005
Annex to International preliminary examination report
Nov 9, 2005
International preliminary examination report
Nov 9, 2005
International preliminary examination report
Nov 9, 2005
International preliminary examination report - free text sheet
Nov 9, 2005
International preliminary examination report - free text sheet
Nov 9, 2005
International preliminary examination report - points I-VIII
Nov 9, 2005
International preliminary examination report - points I-VIII
Nov 9, 2005
Notification of documents sent to WIPO
Nov 9, 2005
Transmittal of International Preliminary Examination Report
Jun 29, 2005
Notification of documents sent to WIPO
Jun 29, 2005
Notification of receipt of demand
Jun 14, 2005
Claims
Jun 14, 2005
Letter regarding PCTII procedure
Jun 14, 2005
PCT demand form
Jun 14, 2005
PCT(IPEA): Amended sheet - claims
Jun 14, 2005
Submission concerning representation
Apr 20, 2005
Priority document (electronically transmitted)
Apr 20, 2005
Priority document (electronically transmitted)
Mar 31, 2005
Copy of the international search report
Mar 31, 2005
Published international application - A1
Nov 19, 2004
Urgent incoming letter
Oct 25, 2004
Abstract
Oct 25, 2004
Claims
Oct 25, 2004
Description
Oct 25, 2004
Drawings

EP1663475

BASELL POLYOLEFINE

Application Number: EP04765276A
Filing Date: Sep 16, 2004
Status: Revoked; Jun 21, 2019
Publication Date: Nov 9, 2016
External Links: Slate, Register , Google Patents

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Loop Reactor With Varying Diameter For Olefin Polymerization

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Dossier Documents

EP1663475