Method For Feeding A Fluid To A Gas Phase Polymerization Reactor

Patent No. EP3570969 (titled "Method For Feeding A Fluid To A Gas Phase Polymerization Reactor") was filed by Basell Poliolefine Italia on Dec 15, 2017. The application was issued on May 15, 2024.

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
THE DOW CHEMICAL	Dec 1, 2021	BOULT WADE TENNANT

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 18, 2024
Decision to maintain the European patent in amended form
Apr 18, 2024
Decision to maintain the European patent in amended form
Jan 17, 2024
(Electronic) Receipt
Jan 17, 2024
French translation of claims
Jan 17, 2024
German translation of the claims
Jan 17, 2024
Letter accompanying subsequently filed items
Nov 9, 2023
Communication to opponent concerning maintenance
Nov 9, 2023
Communication with request to file translations
Nov 7, 2023
Communication of bibliographic data
Oct 27, 2023
Maintenance of the patent with the documents specified in the final decision
Oct 26, 2023
Maintenance of the patent with the documents specified in the final decision
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Advice of delivery
Jul 14, 2023
Annex to the communication - opposition
Jul 14, 2023
Druckexemplar in opposition procedure
Jul 14, 2023
Grounds for the decision (Annex) - opposition
Jul 14, 2023
Interlocutory decision in opposition proceedings
Jul 14, 2023
Interlocutory decision in opposition proceedings
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Means of redress
Jul 14, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 14, 2023
Provision of a copy of the minutes - opposition procedure
Jul 14, 2023
Provision of a copy of the minutes - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Scanned annex to a communication - opposition procedure
Jul 14, 2023
Transmittal of decision / summons - opposition
Jul 14, 2023
Transmittal of decision / summons - opposition
Jul 12, 2023
Decision of the Opposition Division and instruction
May 5, 2023
Information about the result of oral proceedings
Mar 31, 2023
Brief communication - Opposition proceedings
Mar 24, 2023
(Electronic) Receipt
Mar 24, 2023
Letter accompanying subsequently filed items
Mar 24, 2023
Written submission in preparation to/during oral proceedings
Mar 7, 2023
Brief communication - Opposition proceedings
Mar 6, 2023
Brief communication - Opposition proceedings
Mar 2, 2023
(Electronic) Receipt
Mar 2, 2023
Any annexes (other than citation) to an opposition letter
Mar 2, 2023
Letter accompanying subsequently filed items
Mar 2, 2023
Written submission in preparation to/during oral proceedings
Mar 1, 2023
(Electronic) Receipt
Mar 1, 2023
(Electronic) Receipt
Mar 1, 2023
Auxiliary request during Opposition procedure
Mar 1, 2023
Auxiliary request during Opposition procedure
Mar 1, 2023
Auxiliary request during Opposition procedure - 04
Mar 1, 2023
Auxiliary request during Opposition procedure - 05
Mar 1, 2023
Letter accompanying subsequently filed items
Mar 1, 2023
Written submission in preparation to/during oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Oct 24, 2022
(Electronic) Receipt
Oct 24, 2022
Advice of delivery
Oct 24, 2022
Information concerning oral proceedings
Oct 24, 2022
Letter accompanying subsequently filed items
Oct 24, 2022
Summons to attend oral proceedings
Oct 24, 2022
Summons to attend oral proceedings
Oct 24, 2022
Transmittal of decision / summons - opposition
Oct 24, 2022
Transmittal of decision / summons - opposition
Oct 17, 2022
Information about the result of oral proceedings
Oct 11, 2022
Notification concerning the date of oral proceedings
Oct 11, 2022
Notification concerning the date of oral proceedings
Aug 24, 2022
Brief communication - Opposition proceedings
Aug 16, 2022
(Electronic) Receipt
Aug 16, 2022
Advice of delivery
Aug 16, 2022
Any annexes (other than citation) to an opposition letter
Aug 16, 2022
Any annexes (other than citation) to an opposition letter
Aug 16, 2022
Letter accompanying subsequently filed items
Aug 16, 2022
Written submission in preparation to/during oral proceedings
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 11, 2022
(Electronic) Receipt
Aug 11, 2022
Advice of delivery
Aug 11, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Auxiliary request during Opposition procedure
Aug 9, 2022
Auxiliary request during Opposition procedure
Aug 9, 2022
Auxiliary request during Opposition procedure
Aug 9, 2022
Auxiliary request during Opposition procedure - 01
Aug 9, 2022
Auxiliary request during Opposition procedure - 02
Aug 9, 2022
Auxiliary request during Opposition procedure - 03
Aug 9, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
Main request during Opposition procedure
Aug 9, 2022
Main request during Opposition procedure
Aug 9, 2022
Written submission in preparation to/during oral proceedings
Aug 5, 2022
Annex to the communication - opposition
Aug 5, 2022
Information about the result of oral proceedings
Aug 5, 2022
Information concerning oral proceedings
Aug 5, 2022
Summons to attend oral proceedings
Aug 5, 2022
Summons to attend oral proceedings
Aug 5, 2022
Transmittal of decision / summons - opposition
Aug 5, 2022
Transmittal of decision / summons - opposition
Jun 23, 2022
Brief communication - Opposition proceedings
Jun 17, 2022
(Electronic) Receipt
Jun 17, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Letter regarding the opposition procedure (no time limit)
Apr 29, 2022
Brief communication - Opposition proceedings
Apr 22, 2022
(Electronic) Receipt
Apr 22, 2022
Auxiliary request during Opposition procedure
Apr 22, 2022
Auxiliary request during Opposition procedure
Apr 22, 2022
Auxiliary request during Opposition procedure
Apr 22, 2022
Auxiliary request during Opposition procedure - 01
Apr 22, 2022
Auxiliary request during Opposition procedure - 02
Apr 22, 2022
Auxiliary request during Opposition procedure - 03
Apr 22, 2022
Citation in opposition procedure - 010
Apr 22, 2022
Consolidated list of cited opposition documents
Apr 22, 2022
Letter accompanying subsequently filed items
Apr 22, 2022
Main request during Opposition procedure
Apr 22, 2022
Main request during Opposition procedure
Apr 22, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 22, 2021
Communication of a notice of opposition and request to file observations
Dec 22, 2021
Notice of further oppositions to opponent(s)
Dec 7, 2021
Communication of a notice of opposition - first information to patent proprietor
Dec 1, 2021
(Electronic) Receipt
Dec 1, 2021
Citation in opposition procedure - 001
Dec 1, 2021
Citation in opposition procedure - 002
Dec 1, 2021
Citation in opposition procedure - 003
Dec 1, 2021
Citation in opposition procedure - 004
Dec 1, 2021
Citation in opposition procedure - 005
Dec 1, 2021
Citation in opposition procedure - 006
Dec 1, 2021
Citation in opposition procedure - 007
Dec 1, 2021
Citation in opposition procedure - 008
Dec 1, 2021
Citation in opposition procedure - 009
Dec 1, 2021
Notice of opposition
Dec 1, 2021
Notice of opposition
Mar 22, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 11, 2021
Decision to grant a European patent
Feb 1, 2021
(Electronic) Receipt
Feb 1, 2021
Filing of the translations of the claims
Feb 1, 2021
French translation of claims
Feb 1, 2021
German translation of the claims
Oct 8, 2020
Annex to the communication about intention to grant a European patent
Oct 8, 2020
Bibliographic data of the European patent application
Oct 8, 2020
Communication about intention to grant a European patent
Oct 8, 2020
Intention to grant (signatures)
Oct 8, 2020
Text intended for grant (clean copy)
Oct 8, 2020
Text intended for grant (version for approval)
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Amended claims with annotations
Aug 6, 2020
Amended description with annotations
Aug 6, 2020
Amended description with annotations
Aug 6, 2020
Claims
Aug 6, 2020
Description
Aug 6, 2020
Description
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Reply to communication from the Examining Division
Jun 4, 2020
Annex to the communication
Jun 4, 2020
Communication from the Examining Division
May 25, 2020
Examination started
Mar 4, 2020
(Electronic) Receipt
Mar 4, 2020
Amended claims filed after receipt of (European) search report
Mar 4, 2020
Amended claims with annotations
Mar 4, 2020
Amendments received before examination
Mar 4, 2020
Letter accompanying subsequently filed items
Feb 6, 2020
Communication of amended entries concerning the representative
Feb 3, 2020
Communication of amended entries concerning the representative
Jan 14, 2020
Submission concerning change of applicant's representative
Jan 14, 2020
Submission concerning change of applicant's representative
Jan 13, 2020
Submission concerning change of applicant's representative
Jan 13, 2020
Submission concerning change of applicant's representative
Oct 30, 2019
Notification on forthcoming publication of bibliographic data
Aug 27, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 23, 2019
Communication to designated inventor
Aug 20, 2019
Priority search results copy provided by EPO
Aug 7, 2019
Copy of the international preliminary report on patentability
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
Request for entry into the European phase
Jun 3, 2019
Information on entry into European phase
Aug 16, 2018
Priority document (electronically transmitted)
Jul 26, 2018
Copy of the international search report
Jul 26, 2018
Published international application - A1
May 22, 2018
Notification of the recording of a change
Feb 26, 2018
Written opinion of the ISA, boxes No. I to VIII
Feb 26, 2018
Written opinion of the ISA, cover sheet
Feb 26, 2018
Written opinion of the ISA, supplemental box
Feb 13, 2018
Notification relating to priority claim
Jan 29, 2018
(Electronic) Receipt
Jan 29, 2018
Incoming letter related to PCT RO
Jan 29, 2018
Incoming letter related to PCT RO
Jan 19, 2018
Invitation to correct priority date or cancel priority claim
Jan 9, 2018
Notification of receipt of Search copy
Jan 9, 2018
Notification of the international application number and of the international filing date
Jan 5, 2018
Request form for international application (copy for ISA/EP)
Dec 15, 2017
(Electronic) Receipt
Dec 15, 2017
Abstract
Dec 15, 2017
Claims
Dec 15, 2017
Description
Dec 15, 2017
Document concerning fees and payments
Dec 15, 2017
Drawings
Dec 15, 2017
Electronic request for grant of an International application
Dec 15, 2017
Priority document (RO-procedure)

EP3570969

BASELL POLIOLEFINE ITALIA

Application Number: EP17818531A
Filing Date: Dec 15, 2017
Status: Patent Maintained As Amended; Apr 12, 2024
Publication Date: May 15, 2024
External Links: Slate, Register , Google Patents

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Method For Feeding A Fluid To A Gas Phase Polymerization Reactor

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Dossier Documents

EP3570969