Polymer Films Having Improved Heat Sealing Properties

Patent No. EP2970643 (titled "Polymer Films Having Improved Heat Sealing Properties") was filed by Chevron Phillips Chemical LP on Mar 6, 2014. The application was issued on Jun 7, 2023.

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
TOTALENERGIES ONETECH BELGIUM	Aug 8, 2018	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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May 11, 2023
Decision to maintain the European patent in amended form
May 11, 2023
Decision to maintain the European patent in amended form
May 5, 2023
Termination of the opposition proceedings with maintenance of patent
May 2, 2023
(Electronic) Receipt
May 2, 2023
French translation of claims
May 2, 2023
German translation of the claims
May 2, 2023
Letter accompanying subsequently filed items
Feb 3, 2023
Communication of bibliographic data
Feb 3, 2023
Communication to opponent concerning maintenance
Feb 3, 2023
Communication with request to file translations
Jan 30, 2023
Maintenance of the patent with the documents specified in the final decision
Jan 25, 2023
Decision of the Board of Appeal
Jan 25, 2023
F3032 Notification(s) of the decision
Jan 25, 2023
F3032 Notification(s) of the decision
Oct 27, 2022
F3013 Oral Proceedings: Forwarding minutes
Oct 27, 2022
F3013 Oral Proceedings: Forwarding minutes
Oct 27, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Oct 5, 2022
Advice of delivery
Oct 4, 2022
Oral proceedings: change of venue
Oct 4, 2022
Oral proceedings: change of venue
Oct 2, 2022
(Electronic) Receipt
Oct 2, 2022
Letter accompanying subsequently filed items
Oct 2, 2022
Oral proceedings: reply to date proposed
Sep 30, 2022
(Electronic) Receipt
Sep 30, 2022
F3345 Forwarding of submissions to parties
Sep 30, 2022
Letter accompanying subsequently filed items
Sep 30, 2022
Oral proceedings: reply to date proposed
Sep 26, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 26, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 6, 2022
F3345 Forwarding of submissions to parties
Sep 1, 2022
(Electronic) Receipt
Sep 1, 2022
Letter accompanying subsequently filed items
Sep 1, 2022
Letter dealing with oral proceedings during the appeal procedure
Aug 19, 2022
F3345 Forwarding of submissions to parties
Aug 14, 2022
(Electronic) Receipt
Aug 14, 2022
Annex
Aug 14, 2022
Annex
Aug 14, 2022
Letter accompanying subsequently filed items
Aug 14, 2022
Oral proceedings: reply to date proposed
Aug 14, 2022
Request for change of name -opponent
Dec 9, 2021
Advice of delivery
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 1, 2021
F3010 Oral proceedings: order for summons
Dec 1, 2021
F3303.16 Change of composition of the Board (T)
Aug 5, 2020
F3345 Forwarding of submissions to parties
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Auxiliary request during appeals procedure - 02
Jul 30, 2020
Auxiliary request during appeals procedure - 03
Jul 30, 2020
Auxiliary request during appeals procedure - 04
Jul 30, 2020
Auxiliary request during appeals procedure - 05
Jul 30, 2020
Auxiliary request during appeals procedure - 06
Jul 30, 2020
Auxiliary request during appeals procedure - 07
Jul 30, 2020
Auxiliary request during appeals procedure - 08
Jul 30, 2020
Auxiliary request during appeals procedure - 09
Jul 30, 2020
Auxiliary request during appeals procedure - 10
Jul 30, 2020
Auxiliary request during appeals procedure - 11
Jul 30, 2020
Auxiliary request during appeals procedure - 12
Jul 30, 2020
Auxiliary request during appeals procedure - 13
Jul 30, 2020
Auxiliary request during appeals procedure - 14
Jul 30, 2020
Auxiliary request during appeals procedure - 15
Jul 30, 2020
Auxiliary request during appeals procedure - 16
Jul 30, 2020
Auxiliary request during appeals procedure - 17
Jul 30, 2020
Auxiliary request during appeals procedure - 18
Jul 30, 2020
Auxiliary request during appeals procedure - 19
Jul 30, 2020
Auxiliary request during appeals procedure - 20
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Reply to appeal
Apr 15, 2020
Composition of the board (T)
Mar 30, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 24, 2020
(Electronic) Receipt
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Cited document during appeal procedure
Mar 24, 2020
Letter accompanying subsequently filed items
Mar 24, 2020
Statement of grounds of appeal
Jan 23, 2020
F3204 Communication of the file number to the parties
Jan 23, 2020
F3204 Communication of the file number to the parties
Jan 18, 2020
(Electronic) Receipt
Jan 18, 2020
Letter accompanying subsequently filed items
Jan 18, 2020
Notice of appeal
Dec 9, 2019
Advice of delivery
Nov 25, 2019
Advice of delivery
Nov 18, 2019
Acknowledgement of a document
Nov 18, 2019
Acknowledgement of a document
Nov 18, 2019
Annex to the communication - opposition
Nov 18, 2019
Decision of the Opposition Division and instruction
Nov 18, 2019
Druckexemplar in opposition procedure
Nov 18, 2019
Grounds for the decision (Annex) - opposition
Nov 18, 2019
Interlocutory decision in opposition proceedings
Nov 18, 2019
Internal form - Opposition/addressees
Nov 18, 2019
Internal form - Opposition/addressees
Nov 18, 2019
Means of redress
Nov 18, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 18, 2019
Provision of a copy of the minutes - opposition procedure
Nov 18, 2019
Scanned annex to a communication - opposition procedure
Oct 10, 2019
Information about the result of oral proceedings
Sep 24, 2019
Brief communication - Opposition proceedings
Sep 19, 2019
(Electronic) Receipt
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Claims
Sep 19, 2019
Letter accompanying subsequently filed items
Sep 19, 2019
Written submission in preparation to/during oral proceedings
Aug 16, 2019
Brief communication - Opposition proceedings
Aug 14, 2019
Brief communication - Opposition proceedings
Aug 9, 2019
(Electronic) Receipt
Aug 9, 2019
Citation in opposition procedure - 011
Aug 9, 2019
Citation in opposition procedure - 012
Aug 9, 2019
Citation in opposition procedure - 013
Aug 9, 2019
Citation in opposition procedure - 014
Aug 9, 2019
Citation in opposition procedure - 015
Aug 9, 2019
Citation in opposition procedure - 016
Aug 9, 2019
Citation in opposition procedure - 017
Aug 9, 2019
Consolidated list of cited opposition documents
Aug 9, 2019
Letter accompanying subsequently filed items
Aug 9, 2019
Request for interpreters during oral proceedings
Aug 8, 2019
(Electronic) Receipt
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Claims
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Request for interpreters during oral proceedings
Mar 6, 2019
Advice of delivery
Feb 25, 2019
Advice of delivery
Feb 21, 2019
Advice of delivery
Feb 20, 2019
Advice of delivery
Feb 14, 2019
Advice of delivery
Feb 14, 2019
Advice of delivery
Feb 7, 2019
Acknowledgement of a document
Feb 7, 2019
Acknowledgement of a document
Feb 7, 2019
Annex to the communication - opposition
Feb 7, 2019
Information concerning oral proceedings
Feb 7, 2019
Summons to attend oral proceedings
Feb 7, 2019
Summons to attend oral proceedings
Dec 21, 2018
Brief communication - Opposition proceedings
Dec 17, 2018
(Electronic) Receipt
Dec 17, 2018
Letter accompanying subsequently filed items
Dec 17, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 21, 2018
Communication of a notice of opposition and request to file observations
Aug 21, 2018
Notice of further oppositions to opponent(s)
Aug 16, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Citation in opposition procedure - 001
Aug 8, 2018
Citation in opposition procedure - 002
Aug 8, 2018
Citation in opposition procedure - 002
Aug 8, 2018
Citation in opposition procedure - 003
Aug 8, 2018
Citation in opposition procedure - 004
Aug 8, 2018
Citation in opposition procedure - 005
Aug 8, 2018
Citation in opposition procedure - 006
Aug 8, 2018
Citation in opposition procedure - 007
Aug 8, 2018
Citation in opposition procedure - 008
Aug 8, 2018
Citation in opposition procedure - 009
Aug 8, 2018
Citation in opposition procedure - 010
Aug 8, 2018
Letter accompanying subsequently filed items
Aug 8, 2018
Notice of opposition
Aug 8, 2018
Notice of opposition
Nov 15, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 12, 2017
Decision to grant a European patent
Sep 26, 2017
(Electronic) Receipt
Sep 26, 2017
Filing of the translations of the claims
Sep 26, 2017
French translation of claims
Sep 26, 2017
German translation of the claims
Sep 26, 2017
Letter accompanying subsequently filed items
Jun 9, 2017
Bibliographic data of the European patent application
Jun 9, 2017
Communication about intention to grant a European patent
Jun 9, 2017
Intention to grant (signatures)
Jun 9, 2017
Text intended for grant (clean copy)
Jun 9, 2017
Text intended for grant (version for approval)
Jan 26, 2017
(Electronic) Receipt
Jan 26, 2017
Amended claims with annotations
Jan 26, 2017
Claims
Jan 26, 2017
Letter accompanying subsequently filed items
Jan 26, 2017
Reply to communication from the Examining Division
Jan 24, 2017
Annex to the communication
Jan 24, 2017
Consultation by telephone/in person
Jan 24, 2017
Result of consultation by telephone/in person
Dec 5, 2016
Annex to the communication
Dec 5, 2016
Communication from the Examining Division
Aug 4, 2016
(Electronic) Receipt
Aug 4, 2016
Amended claims with annotations
Aug 4, 2016
Amended description with annotations
Aug 4, 2016
Claims
Aug 4, 2016
Description
Aug 4, 2016
Letter accompanying subsequently filed items
Aug 4, 2016
Reply to communication from the Examining Division
Jul 4, 2016
Annex to the communication
Jul 4, 2016
Communication from the Examining Division
Jun 21, 2016
Examination started
Mar 30, 2016
(Electronic) Receipt
Mar 30, 2016
Amended claims filed after receipt of (European) search report
Mar 30, 2016
Amended claims with annotations
Mar 30, 2016
Amendments received before examination
Mar 30, 2016
Letter accompanying subsequently filed items
Dec 23, 2015
Notification on forthcoming publication of bibliographic data
Nov 26, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Oct 20, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 16, 2015
Communication to designated inventor
Oct 16, 2015
Communication to designated inventor
Oct 16, 2015
Communication to designated inventor
Oct 2, 2015
Copy of the international preliminary report on patentability
Sep 25, 2015
(Electronic) Receipt
Sep 25, 2015
Annex
Sep 25, 2015
Matter concerning the application
Sep 25, 2015
Request for entry into the European phase
Sep 18, 2015
Notification of the recording of a change
Sep 18, 2015
Notification of the recording of a change
Sep 18, 2015
Notification of the recording of a change
Aug 14, 2015
Information on entry into European phase
Oct 29, 2014
Priority document (electronically transmitted)
Oct 9, 2014
Copy of the international search report
Oct 9, 2014
Published international application - A1
Jun 11, 2014
Annex
May 26, 2014
Written opinion of the ISA, boxes No. I to VIII
May 26, 2014
Written opinion of the ISA, cover sheet
May 26, 2014
Written opinion of the ISA, supplemental box
Apr 7, 2014
Abstract
Apr 7, 2014
Annex
Apr 7, 2014
Claims
Apr 7, 2014
Description
Apr 7, 2014
Drawings

EP2970643

CHEVRON PHILLIPS CHEMICAL LP

Application Number: EP14716660A
Filing Date: Mar 6, 2014
Status: Patent Maintained As Amended; May 5, 2023
Publication Date: Jun 7, 2023
External Links: Slate, Register , Google Patents

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Polymer Films Having Improved Heat Sealing Properties

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Dossier Documents

EP2970643