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Process For Degassing And Buffering Polyolefin Particles Obtained By Olefin Polymerization

Patent No. EP2931758 (titled "Process For Degassing And Buffering Polyolefin Particles Obtained By Olefin Polymerization") was filed by Basell Polyolefine on Dec 11, 2013. The application was issued on Aug 16, 2023.

Patent Summary

Patent Family

Patent Oppositions (3)

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
INEOS EUROPE	Apr 29, 2021	KING
THE DOW CHEMICAL	Apr 28, 2021	BOULT WADE TENNANT
WR GRACE & CONN	Apr 26, 2021	UEXKULL & STOLBERG

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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Jul 20, 2023
Decision to maintain the European patent in amended form
Jul 20, 2023
Decision to maintain the European patent in amended form
Jul 20, 2023
Decision to maintain the European patent in amended form
Jul 20, 2023
Decision to maintain the European patent in amended form
Jul 14, 2023
Termination of the opposition proceedings with maintenance of patent
Jul 10, 2023
(Electronic) Receipt
Jul 10, 2023
Filing of the translation of the amended claims
Jul 10, 2023
French translation of claims
Jul 10, 2023
German translation of the claims
May 19, 2023
Communication of bibliographic data
May 19, 2023
Communication to opponent concerning maintenance
May 19, 2023
Communication to opponent concerning maintenance
May 19, 2023
Communication to opponent concerning maintenance
May 19, 2023
Communication with request to file translations
May 15, 2023
Refund of fees
May 12, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 12, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 12, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 12, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 11, 2023
F3345 Forwarding of submissions to parties
May 11, 2023
F3345 Forwarding of submissions to parties
May 11, 2023
F3345 Forwarding of submissions to parties
May 9, 2023
Maintenance of the patent with the documents specified in the final decision
May 8, 2023
(Electronic) Receipt
May 8, 2023
Composition of the board (T)
May 8, 2023
Letter accompanying subsequently filed items
May 8, 2023
Withdrawal of an appeal
May 2, 2023
F3204 Communication of the file number to the parties
May 2, 2023
F3204 Communication of the file number to the parties
May 2, 2023
F3204 Communication of the file number to the parties
May 2, 2023
F3204 Communication of the file number to the parties
Apr 24, 2023
(Electronic) Receipt
Apr 24, 2023
Letter accompanying subsequently filed items
Apr 24, 2023
Notice of appeal
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Advice of delivery
Feb 15, 2023
Advice of delivery
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 13, 2023
Advice of delivery
Feb 13, 2023
Annex to the communication - opposition
Feb 13, 2023
Decision of the Opposition Division and instruction
Feb 13, 2023
Druckexemplar in opposition procedure
Feb 13, 2023
Grounds for the decision (Annex) - opposition
Feb 13, 2023
Interlocutory decision in opposition proceedings
Feb 13, 2023
Interlocutory decision in opposition proceedings
Feb 13, 2023
Interlocutory decision in opposition proceedings
Feb 13, 2023
Interlocutory decision in opposition proceedings
Feb 13, 2023
Means of redress
Feb 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 13, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 13, 2023
Provision of a copy of the minutes - opposition procedure
Feb 13, 2023
Provision of a copy of the minutes - opposition procedure
Feb 13, 2023
Provision of a copy of the minutes - opposition procedure
Feb 13, 2023
Provision of a copy of the minutes - opposition procedure
Feb 13, 2023
Scanned annex to a communication - opposition procedure
Feb 13, 2023
Scanned annex to a communication - opposition procedure
Feb 13, 2023
Transmittal of decision / summons - opposition
Feb 13, 2023
Transmittal of decision / summons - opposition
Feb 13, 2023
Transmittal of decision / summons - opposition
Feb 13, 2023
Transmittal of decision / summons - opposition
Jan 17, 2023
Brief communication - Opposition proceedings
Jan 17, 2023
Brief communication - Opposition proceedings
Jan 17, 2023
Brief communication - Opposition proceedings
Jan 17, 2023
Information about the result of oral proceedings
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 13, 2023
Written submission in preparation to/during oral proceedings
Jan 2, 2023
Brief communication - Opposition proceedings
Jan 2, 2023
Brief communication - Opposition proceedings
Dec 22, 2022
Brief communication - Opposition proceedings
Dec 22, 2022
Brief communication - Opposition proceedings
Dec 22, 2022
Brief communication - Opposition proceedings
Dec 22, 2022
Brief communication - Opposition proceedings
Dec 16, 2022
(Electronic) Receipt
Dec 16, 2022
Request for interpreters during oral proceedings
Dec 15, 2022
(Electronic) Receipt
Dec 15, 2022
Letter accompanying subsequently filed items
Dec 15, 2022
Letter regarding the opposition procedure (no time limit)
Nov 28, 2022
(Electronic) Receipt
Nov 25, 2022
Notification concerning the date of oral proceedings
Nov 25, 2022
Notification concerning the date of oral proceedings
Nov 25, 2022
Notification concerning the date of oral proceedings
Nov 25, 2022
Notification concerning the date of oral proceedings
Nov 24, 2022
Brief communication - Opposition proceedings
Nov 24, 2022
Brief communication - Opposition proceedings
Nov 24, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 23, 2022
Brief communication - Opposition proceedings
Nov 17, 2022
(Electronic) Receipt
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure
Nov 17, 2022
Auxiliary request during Opposition procedure - 08
Nov 17, 2022
Auxiliary request during Opposition procedure - 09
Nov 17, 2022
Auxiliary request during Opposition procedure - 10
Nov 17, 2022
Auxiliary request during Opposition procedure - 11
Nov 17, 2022
Auxiliary request during Opposition procedure - 12
Nov 17, 2022
Auxiliary request during Opposition procedure - 13
Nov 17, 2022
Auxiliary request during Opposition procedure - 14
Nov 17, 2022
Letter accompanying subsequently filed items
Nov 17, 2022
Written submission in preparation to/during oral proceedings
Nov 16, 2022
(Electronic) Receipt
Nov 16, 2022
Letter accompanying subsequently filed items
Nov 16, 2022
Written submission in preparation to/during oral proceedings
Nov 15, 2022
(Electronic) Receipt
Nov 15, 2022
Letter accompanying subsequently filed items
Nov 15, 2022
Request for interpreters during oral proceedings
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 20, 2022
Communication of amended entries
Jul 6, 2022
Request concerning representative opponent
Feb 9, 2022
Advice of delivery
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Advice of delivery
Feb 8, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Advice of delivery
Feb 7, 2022
Advice of delivery
Feb 7, 2022
Annex to the communication - opposition
Feb 7, 2022
Information concerning oral proceedings
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Summons to attend oral proceedings
Feb 7, 2022
Summons to attend oral proceedings
Feb 7, 2022
Summons to attend oral proceedings
Feb 7, 2022
Summons to attend oral proceedings
Feb 7, 2022
Transmittal of decision / summons - opposition
Feb 7, 2022
Transmittal of decision / summons - opposition
Feb 7, 2022
Transmittal of decision / summons - opposition
Feb 7, 2022
Transmittal of decision / summons - opposition
Jan 7, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
Brief communication - Opposition proceedings
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Citation in opposition procedure - 018
Dec 22, 2021
Consolidated list of cited opposition documents
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Letter regarding the opposition procedure (no time limit)
Dec 10, 2021
Brief communication - Opposition proceedings
Dec 10, 2021
Brief communication - Opposition proceedings
Dec 10, 2021
Brief communication - Opposition proceedings
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Letter regarding the opposition procedure (no time limit)
Sep 24, 2021
Brief communication - Opposition proceedings
Sep 24, 2021
Brief communication - Opposition proceedings
Sep 24, 2021
Brief communication - Opposition proceedings
Sep 21, 2021
(Electronic) Receipt
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure
Sep 21, 2021
Auxiliary request during Opposition procedure - 01
Sep 21, 2021
Auxiliary request during Opposition procedure - 02
Sep 21, 2021
Auxiliary request during Opposition procedure - 03
Sep 21, 2021
Auxiliary request during Opposition procedure - 04
Sep 21, 2021
Auxiliary request during Opposition procedure - 05
Sep 21, 2021
Auxiliary request during Opposition procedure - 06
Sep 21, 2021
Auxiliary request during Opposition procedure - 07
Sep 21, 2021
Letter accompanying subsequently filed items
Sep 21, 2021
Main request during Opposition procedure
Sep 21, 2021
Main request during Opposition procedure
Sep 21, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 14, 2021
Communication of a notice of opposition and request to file observations
May 14, 2021
Notice of further oppositions to opponent(s)
May 14, 2021
Notice of further oppositions to opponent(s)
May 14, 2021
Notice of further oppositions to opponent(s)
May 6, 2021
Communication of a notice of opposition - first information to patent proprietor
May 4, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 30, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Citation in opposition procedure - 014
Apr 29, 2021
Citation in opposition procedure - 015
Apr 29, 2021
Citation in opposition procedure - 016
Apr 29, 2021
Citation in opposition procedure - 017
Apr 29, 2021
Notice of opposition
Apr 29, 2021
Notice of opposition
Apr 29, 2021
Patent document cited during the opposition procedure
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Citation in opposition procedure
Apr 28, 2021
Citation in opposition procedure - 006
Apr 28, 2021
Citation in opposition procedure - 007
Apr 28, 2021
Citation in opposition procedure - 008
Apr 28, 2021
Citation in opposition procedure - 009
Apr 28, 2021
Citation in opposition procedure - 010
Apr 28, 2021
Citation in opposition procedure - 011
Apr 28, 2021
Citation in opposition procedure - 012
Apr 28, 2021
Citation in opposition procedure - 013
Apr 28, 2021
Notice of opposition
Apr 28, 2021
Notice of opposition
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 001
Apr 26, 2021
Citation in opposition procedure - 002
Apr 26, 2021
Citation in opposition procedure - 003
Apr 26, 2021
Citation in opposition procedure - 004
Apr 26, 2021
Citation in opposition procedure - 005
Apr 26, 2021
Notice of opposition
Apr 26, 2021
Notice of opposition
Aug 10, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 2, 2020
Decision to grant a European patent
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Filing of the translations of the claims
Jun 17, 2020
French translation of claims
Jun 17, 2020
German translation of the claims
Apr 20, 2020
Bibliographic data of the European patent application
Apr 20, 2020
Communication about intention to grant a European patent
Apr 20, 2020
Intention to grant (signatures)
Apr 20, 2020
Text intended for grant (clean copy)
Apr 20, 2020
Text intended for grant (version for approval)
Feb 3, 2020
Communication of amended entries concerning the representative
Jan 14, 2020
Submission concerning change of applicant's representative
Jan 13, 2020
Submission concerning change of applicant's representative
Aug 14, 2019
Submission concerning representation
Feb 20, 2019
(Electronic) Receipt
Feb 20, 2019
Letter accompanying subsequently filed items
Feb 20, 2019
Reply to communication from the Examining Division
Nov 29, 2018
Annex to the communication
Nov 29, 2018
Communication from the Examining Division
Nov 21, 2018
Examination started
Jan 12, 2016
(Electronic) Receipt
Jan 12, 2016
Amended description with annotations
Jan 12, 2016
Amendments received before examination
Jan 12, 2016
Description
Jan 12, 2016
Letter accompanying subsequently filed items
Sep 23, 2015
Notification on forthcoming publication of bibliographic data
Jul 17, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 15, 2015
Communication to designated inventor
Jul 15, 2015
Communication to designated inventor
Jul 15, 2015
Communication to designated inventor
Jul 15, 2015
Communication to designated inventor
Jul 15, 2015
Communication to designated inventor
Jul 11, 2015
Priority search results copy provided by EPO
Jun 29, 2015
Copy of the international preliminary report on patentability
Jun 22, 2015
(Electronic) Receipt
Jun 22, 2015
Request for entry into the European phase
Apr 24, 2015
Information on entry into European phase
Jul 7, 2014
Priority document (electronically transmitted)
Jun 19, 2014
Copy of the international search report
Jun 19, 2014
Published international application - A1
Mar 13, 2014
Written opinion of the ISA, boxes No. I to VIII
Mar 13, 2014
Written opinion of the ISA, cover sheet
Mar 13, 2014
Written opinion of the ISA, supplemental box
Dec 11, 2013
(Electronic) Receipt
Dec 11, 2013
Abstract
Dec 11, 2013
Claims
Dec 11, 2013
Description
Dec 11, 2013
Drawings
Dec 11, 2013
Priority document (RO-procedure)

EP2931758

BASELL POLYOLEFINE

Application Number: EP13802400A
Filing Date: Dec 11, 2013
Status: Patent Maintained As Amended; Jul 14, 2023
Publication Date: Aug 16, 2023
External Links: Slate, Register , Google Patents