Reactor System For Multimodal Polyethylene Polymerization

Patent No. EP3530675 (titled "Reactor System For Multimodal Polyethylene Polymerization") was filed by SCG Chemicals on Sep 12, 2016. The application was issued on May 19, 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 POLYOLEFINE	Feb 18, 2022	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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Jan 23, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 23, 2024
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 13, 2023
Advice of delivery
Oct 9, 2023
(Electronic) Receipt
Oct 9, 2023
Advice of delivery
Oct 9, 2023
Annex to the communication - opposition
Oct 9, 2023
Decision of the Opposition Division and instruction
Oct 9, 2023
Decision revoking the European patent
Oct 9, 2023
Decision revoking the European patent
Oct 9, 2023
Grounds for the decision (Annex) - opposition
Oct 9, 2023
Letter accompanying subsequently filed items
Oct 9, 2023
Means of redress
Oct 9, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 9, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 9, 2023
Provision of a copy of the minutes - opposition procedure
Oct 9, 2023
Provision of a copy of the minutes - opposition procedure
Oct 9, 2023
Scanned annex to a communication - opposition procedure
Oct 9, 2023
Transmittal of decision / summons - opposition
Oct 9, 2023
Transmittal of decision / summons - opposition
Sep 26, 2023
Information about the result of oral proceedings
Sep 22, 2023
Brief communication - Opposition proceedings
Sep 19, 2023
(Electronic) Receipt
Sep 19, 2023
Letter accompanying subsequently filed items
Sep 19, 2023
Written submission in preparation to/during oral proceedings
Aug 1, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
(Electronic) Receipt
Jul 26, 2023
Letter accompanying subsequently filed items
Jul 26, 2023
Written submission in preparation to/during oral proceedings
Jul 21, 2023
Brief communication - Opposition proceedings
Jul 18, 2023
(Electronic) Receipt
Jul 18, 2023
Letter accompanying subsequently filed items
Dec 6, 2022
Notification concerning the date of oral proceedings
Dec 6, 2022
Notification concerning the date of oral proceedings
Oct 19, 2022
Advice of delivery
Oct 19, 2022
Annex to the communication - opposition
Oct 19, 2022
Information concerning oral proceedings
Oct 19, 2022
Scanned annex to a communication - opposition procedure
Oct 19, 2022
Summons to attend oral proceedings
Oct 19, 2022
Summons to attend oral proceedings
Oct 19, 2022
Transmittal of decision / summons - opposition
Oct 19, 2022
Transmittal of decision / summons - opposition
Jul 21, 2022
Brief communication - Opposition proceedings
Jul 18, 2022
(Electronic) Receipt
Jul 18, 2022
Letter accompanying subsequently filed items
Jul 18, 2022
Letter regarding the opposition procedure (no time limit)
Jul 18, 2022
Main request during Opposition procedure
Jul 18, 2022
Main request during Opposition procedure
Jul 5, 2022
Brief communication - Opposition proceedings
Jun 30, 2022
(Electronic) Receipt
Jun 30, 2022
Citation in opposition procedure - 005
Jun 30, 2022
Citation in opposition procedure - 014
Jun 30, 2022
Citation in opposition procedure - 015
Jun 30, 2022
Citation in opposition procedure - 016
Jun 30, 2022
Citation in opposition procedure - 017
Jun 30, 2022
Citation in opposition procedure - 018
Jun 30, 2022
Citation in opposition procedure - 019
Jun 30, 2022
Consolidated list of cited opposition documents
Jun 30, 2022
Letter accompanying subsequently filed items
Jun 30, 2022
Reply of the patent proprietor to the notice(s) of opposition
Mar 4, 2022
Communication of a notice of opposition and request to file observations
Mar 4, 2022
Notice of further oppositions to opponent(s)
Feb 23, 2022
Communication of a notice of opposition - first information to patent proprietor
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Citation in opposition procedure - 001
Feb 18, 2022
Citation in opposition procedure - 001
Feb 18, 2022
Citation in opposition procedure - 002
Feb 18, 2022
Citation in opposition procedure - 003
Feb 18, 2022
Citation in opposition procedure - 004
Feb 18, 2022
Citation in opposition procedure - 005
Feb 18, 2022
Citation in opposition procedure - 006
Feb 18, 2022
Citation in opposition procedure - 007
Feb 18, 2022
Citation in opposition procedure - 008
Feb 18, 2022
Citation in opposition procedure - 009
Feb 18, 2022
Citation in opposition procedure - 010
Feb 18, 2022
Citation in opposition procedure - 011
Feb 18, 2022
Citation in opposition procedure - 012
Feb 18, 2022
Citation in opposition procedure - 012
Feb 18, 2022
Citation in opposition procedure - 013
Feb 18, 2022
Notice of opposition
Feb 18, 2022
Notice of opposition
Jun 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 22, 2021
Decision to grant a European patent
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
Filing of the translations of the claims
Apr 6, 2021
French translation of claims
Apr 6, 2021
German translation of the claims
Apr 6, 2021
Letter accompanying subsequently filed items
Dec 21, 2020
Bibliographic data of the European patent application
Dec 21, 2020
Communication about intention to grant a European patent
Dec 21, 2020
Intention to grant (signatures)
Dec 21, 2020
Text intended for grant (clean copy)
Dec 21, 2020
Text intended for grant (version for approval)
Nov 18, 2020
(Electronic) Receipt
Nov 18, 2020
Amended description with annotations
Nov 18, 2020
Description
Nov 18, 2020
Letter accompanying subsequently filed items
Nov 18, 2020
Reply to communication from the Examining Division
Sep 22, 2020
Grant of extension of time limit (examination procedure)
Sep 17, 2020
(Electronic) Receipt
Sep 17, 2020
Letter accompanying subsequently filed items
Sep 17, 2020
Request for extension of time limit to communication from the Examining Division
Jul 20, 2020
Annex to the communication
Jul 20, 2020
Communication from the Examining Division
May 5, 2020
Examination started
Feb 26, 2020
(Electronic) Receipt
Feb 26, 2020
Amended claims filed after receipt of (European) search report
Feb 26, 2020
Amended claims with annotations
Feb 26, 2020
Amendments received before examination
Feb 26, 2020
Letter accompanying subsequently filed items
Sep 2, 2019
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 31, 2019
Notification of forthcoming publication
Jul 12, 2019
Refund of fees
Jul 4, 2019
Communication regarding the transmission of the European search report
Jul 4, 2019
European search opinion
Jul 4, 2019
European search report
Jul 4, 2019
Information on Search Strategy
Jun 25, 2019
Search started
May 27, 2019
Communication to designated inventor
May 27, 2019
Communication to designated inventor
May 27, 2019
Communication to designated inventor
Apr 3, 2019
Abstract
Apr 3, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 3, 2019
Claims
Apr 3, 2019
Description
Apr 3, 2019
Designation of inventor
Apr 3, 2019
Request for grant of a European patent

EP3530675

SCG CHEMICALS

Application Number: EP19166995A
Filing Date: Sep 12, 2016
Status: Revoked; Jan 19, 2024
Publication Date: May 19, 2021
External Links: Slate, Register , Google Patents

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Reactor System For Multimodal Polyethylene Polymerization

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Dossier Documents

EP3530675