IP Verse

Peroxide Treated Metallocene-Based Polyolefins With Improved Melt Strength

Patent No. EP2997054 (titled "Peroxide Treated Metallocene-Based Polyolefins With Improved Melt Strength") was filed by Chevron Phillips Chemical LP on May 12, 2014. The application was issued on Feb 9, 2022.

Patent Summary

Patent Family

Patent Oppositions

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	Nov 27, 2019	GARCIA MARTIN

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 13, 2022
Decision to maintain the European patent in amended form
Jan 13, 2022
Decision to maintain the European patent in amended form
Jan 7, 2022
Termination of the opposition proceedings with maintenance of patent
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Filing of the translation of the amended claims
Dec 22, 2021
French translation of claims
Dec 22, 2021
German translation of the claims
Dec 22, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Communication of bibliographic data
Sep 24, 2021
Communication to opponent concerning maintenance
Sep 24, 2021
Communication with request to file translations
Sep 20, 2021
Maintenance of the patent with the documents specified in the final decision
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Advice of delivery
Jun 16, 2021
Letter accompanying subsequently filed items
Jun 9, 2021
Advice of delivery
Jun 9, 2021
Annex to the communication - opposition
Jun 9, 2021
Decision of the Opposition Division and instruction
Jun 9, 2021
Druckexemplar in opposition procedure
Jun 9, 2021
Grounds for the decision (Annex) - opposition
Jun 9, 2021
Interlocutory decision in opposition proceedings
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Means of redress
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 9, 2021
Provision of a copy of the minutes - opposition procedure
Jun 9, 2021
Transmittal of decision / summons - opposition
Jun 9, 2021
Transmittal of decision / summons - opposition
May 18, 2021
Information about the result of oral proceedings
Mar 25, 2021
Brief communication - Opposition proceedings
Mar 23, 2021
Brief communication - Opposition proceedings
Mar 18, 2021
(Electronic) Receipt
Mar 18, 2021
(Electronic) Receipt
Mar 18, 2021
(Electronic) Receipt
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure
Mar 18, 2021
Auxiliary request during Opposition procedure - 01
Mar 18, 2021
Auxiliary request during Opposition procedure - 02
Mar 18, 2021
Auxiliary request during Opposition procedure - 03
Mar 18, 2021
Auxiliary request during Opposition procedure - 04
Mar 18, 2021
Auxiliary request during Opposition procedure - 05
Mar 18, 2021
Auxiliary request during Opposition procedure - 06
Mar 18, 2021
Auxiliary request during Opposition procedure - 07
Mar 18, 2021
Auxiliary request during Opposition procedure - 08
Mar 18, 2021
Auxiliary request during Opposition procedure - 09
Mar 18, 2021
Auxiliary request during Opposition procedure - 10
Mar 18, 2021
Auxiliary request during Opposition procedure - 11
Mar 18, 2021
Citation in opposition procedure - 012
Mar 18, 2021
Citation in opposition procedure - 013
Mar 18, 2021
Citation in opposition procedure - 014
Mar 18, 2021
Citation in opposition procedure - 015
Mar 18, 2021
Consolidated list of cited opposition documents
Mar 18, 2021
Letter accompanying subsequently filed items
Mar 18, 2021
Letter accompanying subsequently filed items
Mar 18, 2021
Letter accompanying subsequently filed items
Mar 18, 2021
Written submission in preparation to/during oral proceedings
Mar 18, 2021
Written submission in preparation to/during oral proceedings
Feb 5, 2021
Notification concerning the date of oral proceedings
Feb 5, 2021
Notification concerning the date of oral proceedings
Sep 29, 2020
Advice of delivery
Sep 23, 2020
(Electronic) Receipt
Sep 23, 2020
Advice of delivery
Sep 23, 2020
Letter accompanying subsequently filed items
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Annex to the communication - opposition
Sep 17, 2020
Information concerning oral proceedings
Sep 17, 2020
Preparation for oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Apr 23, 2020
Brief communication - Opposition proceedings
Apr 17, 2020
(Electronic) Receipt
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure - 01
Apr 17, 2020
Auxiliary request during Opposition procedure - 02
Apr 17, 2020
Auxiliary request during Opposition procedure - 03
Apr 17, 2020
Auxiliary request during Opposition procedure - 04
Apr 17, 2020
Auxiliary request during Opposition procedure - 05
Apr 17, 2020
Auxiliary request during Opposition procedure - 06
Apr 17, 2020
Auxiliary request during Opposition procedure - 07
Apr 17, 2020
Auxiliary request during Opposition procedure - 08
Apr 17, 2020
Letter accompanying subsequently filed items
Apr 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 17, 2019
Communication of a notice of opposition and request to file observations
Dec 17, 2019
Notice of further oppositions to opponent(s)
Dec 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 27, 2019
(Electronic) Receipt
Nov 27, 2019
Citation in opposition procedure - 001
Nov 27, 2019
Citation in opposition procedure - 002
Nov 27, 2019
Citation in opposition procedure - 003
Nov 27, 2019
Citation in opposition procedure - 004
Nov 27, 2019
Citation in opposition procedure - 005
Nov 27, 2019
Citation in opposition procedure - 006
Nov 27, 2019
Citation in opposition procedure - 007
Nov 27, 2019
Citation in opposition procedure - 008
Nov 27, 2019
Citation in opposition procedure - 009
Nov 27, 2019
Citation in opposition procedure - 010
Nov 27, 2019
Citation in opposition procedure - 011
Nov 27, 2019
International publication (Pamphlet)
Nov 27, 2019
Letter accompanying subsequently filed items
Nov 27, 2019
Notice of opposition
Mar 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 31, 2019
Decision to grant a European patent
Jan 17, 2019
(Electronic) Receipt
Jan 17, 2019
Filing of the translations of the claims
Jan 17, 2019
French translation of claims
Jan 17, 2019
German translation of the claims
Jan 17, 2019
Letter accompanying subsequently filed items
Dec 14, 2018
Submission concerning representation
Oct 31, 2018
Bibliographic data of the European patent application
Oct 31, 2018
Communication about intention to grant a European patent
Oct 31, 2018
Intention to grant (signatures)
Oct 31, 2018
Text intended for grant (clean copy)
Oct 31, 2018
Text intended for grant (version for approval)
Oct 3, 2018
(Electronic) Receipt
Oct 3, 2018
Amended claims with annotations
Oct 3, 2018
Claims
Oct 3, 2018
Letter accompanying subsequently filed items
Oct 3, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 1, 2018
Bibliographic data of the European patent application
Aug 1, 2018
Communication about intention to grant a European patent
Aug 1, 2018
Intention to grant (signatures)
Aug 1, 2018
Text intended for grant (clean copy)
Aug 1, 2018
Text intended for grant (version for approval)
Mar 8, 2018
(Electronic) Receipt
Mar 8, 2018
Amended claims with annotations
Mar 8, 2018
Amended description with annotations
Mar 8, 2018
Claims
Mar 8, 2018
Description
Mar 8, 2018
Letter accompanying subsequently filed items
Mar 8, 2018
Reply to communication from the Examining Division
Nov 22, 2017
Annex to the communication
Nov 22, 2017
Communication from the Examining Division
Nov 16, 2017
Examination started
Sep 20, 2017
Transmittal of third party observations to applicant
Sep 8, 2017
Observations by third parties
Sep 8, 2017
Patent document filed by a Third party
Sep 8, 2017
Patent document filed by a Third party
Sep 8, 2017
Patent document filed by a Third party
May 16, 2016
(Electronic) Receipt
May 16, 2016
Amended claims filed after receipt of (European) search report
May 16, 2016
Amended claims with annotations
May 16, 2016
Amendments received before examination
May 16, 2016
Letter accompanying subsequently filed items
Mar 11, 2016
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 24, 2016
Notification on forthcoming publication of bibliographic data
Jan 21, 2016
Brief communication to applicant/representative (Legal Division)
Jan 13, 2016
(Electronic) Receipt
Jan 13, 2016
Letter accompanying subsequently filed items
Jan 13, 2016
Letter concerning the inventor
Dec 23, 2015
Communication to designated inventor
Dec 23, 2015
Communication to designated inventor
Dec 23, 2015
Communication to designated inventor
Dec 7, 2015
(Electronic) Receipt
Dec 7, 2015
Annex
Dec 7, 2015
Matter concerning the application
Dec 7, 2015
Request for entry into the European phase
Dec 1, 2015
Copy of the international preliminary report on patentability
Nov 18, 2015
Notification of the recording of a change
Sep 25, 2015
Information on entry into European phase
Dec 8, 2014
Priority document (electronically transmitted)
Nov 20, 2014
Copy of the international search report
Nov 20, 2014
Published international application - A1
Sep 24, 2014
Written opinion of the ISA, boxes No. I to VIII
Sep 24, 2014
Written opinion of the ISA, cover sheet
Sep 24, 2014
Written opinion of the ISA, supplemental box
Jun 26, 2014
Abstract
Jun 26, 2014
Annex
Jun 26, 2014
Claims
Jun 26, 2014
Description
Jun 26, 2014
Drawings

EP2997054

CHEVRON PHILLIPS CHEMICAL LP

Application Number: EP14733767A
Filing Date: May 12, 2014
Status: Patent Maintained As Amended; Jan 7, 2022
Publication Date: Feb 9, 2022
External Links: Slate, Register , Google Patents