Blown Film System And Method For Producing A Blown Film Strip

Patent No. EP2952330 (titled "Blown Film System And Method For Producing A Blown Film Strip") was filed by Reifenhuser on Aug 7, 2013. The application was issued on Apr 30, 2025.

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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
HOSOKAWA ALPINE AKTIENGESELLSCHAFT	Oct 3, 2017	CHARRIER RAPP & LIEBAU

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

Apr 3, 2025
Decision to maintain the European patent in amended form
Mar 28, 2025
Communication of amended entries concerning the representative
Mar 26, 2025
Communication concerning the filing of a power of attorney
Mar 25, 2025
(Electronic) Receipt
Mar 25, 2025
Authorisation
Mar 25, 2025
English translation of the claims
Mar 25, 2025
French translation of claims
Mar 25, 2025
Letter accompanying subsequently filed items
Mar 25, 2025
Submission concerning change of applicant's representative
Feb 28, 2025
Communication of bibliographic data
Feb 28, 2025
Communication with request to file translations
Mar 31, 2022
Maintenance of the patent with the documents specified in the final decision
Dec 21, 2021
Advice of delivery
Dec 21, 2021
Annex to the communication - opposition
Dec 21, 2021
Decision of the Opposition Division and instruction
Dec 21, 2021
Druckexemplar in opposition procedure
Dec 21, 2021
Grounds for the decision (Annex) - opposition
Dec 21, 2021
Interlocutory decision in opposition proceedings
Dec 21, 2021
Means of redress
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 21, 2021
Provision of a copy of the minutes - opposition procedure
Dec 21, 2021
Scanned annex to a communication - opposition procedure
Dec 21, 2021
Transmittal of decision / summons - opposition
Oct 25, 2021
Information about the result of oral proceedings
Oct 12, 2021
Brief communication - Opposition proceedings
Oct 12, 2021
Notification concerning the date of oral proceedings
Oct 8, 2021
Termination of the enlargement of the examining/opposition division
Oct 6, 2021
Brief communication - Opposition proceedings
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Withdrawal of an opposition
Sep 14, 2021
(Electronic) Receipt
Sep 14, 2021
Letter accompanying subsequently filed items
Sep 14, 2021
Letter regarding the opposition procedure (no time limit)
Sep 14, 2021
Letter regarding the opposition procedure (no time limit)
Sep 14, 2021
Letter regarding the opposition procedure (no time limit)
Sep 14, 2021
Letter regarding the opposition procedure (no time limit)
Sep 14, 2021
Letter regarding the opposition procedure (no time limit)
Sep 13, 2021
Brief communication - Opposition proceedings
Sep 9, 2021
Advice of delivery
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Request for interpreters during oral proceedings
Sep 2, 2021
Brief communication - Opposition proceedings
Sep 1, 2021
Advice of delivery
Sep 1, 2021
Brief communication - Opposition proceedings
Sep 1, 2021
Brief communication - Opposition proceedings
Aug 31, 2021
Annex
Aug 31, 2021
Annex
Aug 31, 2021
Annex
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 31, 2021
Transmittal of decision / summons - opposition
Aug 30, 2021
Brief communication - Opposition proceedings
Aug 25, 2021
(Electronic) Receipt
Aug 25, 2021
Any annexes (other than citation) to an opposition letter
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure
Aug 25, 2021
Auxiliary request during Opposition procedure - 01
Aug 25, 2021
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Auxiliary request during Opposition procedure - 03
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Auxiliary request during Opposition procedure - 04
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Auxiliary request during Opposition procedure - 05
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Auxiliary request during Opposition procedure - 06
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Auxiliary request during Opposition procedure - 07
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Auxiliary request during Opposition procedure - 08
Aug 25, 2021
Auxiliary request during Opposition procedure - 09
Aug 25, 2021
Auxiliary request during Opposition procedure - 10
Aug 25, 2021
Auxiliary request during Opposition procedure - 11
Aug 25, 2021
Auxiliary request during Opposition procedure - 12
Aug 25, 2021
Letter accompanying subsequently filed items
Aug 25, 2021
Written submission in preparation to/during oral proceedings
Aug 24, 2021
(Electronic) Receipt
Aug 24, 2021
Letter accompanying subsequently filed items
Aug 24, 2021
Written submission in preparation to/during oral proceedings
Jan 20, 2021
Advice of delivery
Jan 20, 2021
Advice of delivery
Jan 20, 2021
Written submission in preparation to/during oral proceedings
Jan 20, 2021
Written submission in preparation to/during oral proceedings
Jan 20, 2021
Written submission in preparation to/during oral proceedings
Jan 13, 2021
Brief communication - Opposition proceedings
Jan 12, 2021
Brief communication - Opposition proceedings
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Any annexes (other than citation) to an opposition letter
Jan 11, 2021
Any annexes (other than citation) to an opposition letter
Jan 11, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
Written submission in preparation to/during oral proceedings
Dec 30, 2020
Written submission in preparation to/during oral proceedings
Dec 23, 2020
(Electronic) Receipt
Dec 23, 2020
Letter accompanying subsequently filed items
Dec 23, 2020
Written submission in preparation to/during oral proceedings
Dec 23, 2020
Written submission in preparation to/during oral proceedings
Dec 23, 2020
Written submission in preparation to/during oral proceedings
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Advice of delivery
Dec 22, 2020
Letter accompanying subsequently filed items
Dec 22, 2020
Written submission in preparation to/during oral proceedings
Dec 16, 2020
Advice of delivery
Dec 14, 2020
Annex to the communication - opposition
Dec 14, 2020
Consolidated list of cited opposition documents
Dec 14, 2020
Information concerning oral proceedings
Dec 14, 2020
Summons to attend oral proceedings
Dec 14, 2020
Summons to attend oral proceedings
Dec 14, 2020
Transmittal of decision / summons - opposition
Dec 14, 2020
Transmittal of decision / summons - opposition
Dec 14, 2020
Transmittal of decision / summons - opposition
Dec 14, 2020
Transmittal of decision / summons - opposition
Sep 1, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
Notification concerning the date of oral proceedings
Aug 24, 2020
Brief communication - Opposition proceedings
Aug 19, 2020
Brief communication - Opposition proceedings
Aug 19, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Auxiliary request during Opposition procedure
Aug 13, 2020
Auxiliary request during Opposition procedure
Aug 13, 2020
Auxiliary request during Opposition procedure
Aug 13, 2020
Auxiliary request during Opposition procedure
Aug 13, 2020
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Auxiliary request during Opposition procedure
Aug 13, 2020
Auxiliary request during Opposition procedure
Aug 13, 2020
Auxiliary request during Opposition procedure - 01
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Auxiliary request during Opposition procedure - 36
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Auxiliary request during Opposition procedure - 37
Aug 13, 2020
Citation in opposition procedure
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 13, 2020
Letter regarding the opposition procedure (no time limit)
Aug 13, 2020
Non-patent literature cited during the opposition procedure
Aug 13, 2020
Non-patent literature cited during the opposition procedure
Aug 13, 2020
Non-patent literature cited during the opposition procedure
Aug 13, 2020
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Aug 13, 2020
Non-scannable object
Aug 13, 2020
Written submission in preparation to/during oral proceedings
Aug 13, 2020
Written submission in preparation to/during oral proceedings
Aug 6, 2020
Brief communication - Opposition proceedings
Aug 6, 2020
Communication of amended entries concerning the representative
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Submission concerning change of applicant's representative
Jul 16, 2020
Notification concerning the date of oral proceedings
Jul 16, 2020
Notification concerning the date of oral proceedings
Feb 19, 2020
Advice of delivery
Feb 11, 2020
Advice of delivery
Feb 11, 2020
Advice of delivery
Feb 5, 2020
Communication about missing advice of delivery
Feb 5, 2020
Communication about missing advice of delivery
Feb 5, 2020
Communication about missing advice of delivery
Jan 24, 2020
Advice of delivery
Jan 13, 2020
Acknowledgement of a document
Jan 13, 2020
Acknowledgement of a document
Jan 13, 2020
Summons to give evidence
Jan 7, 2020
Brief communication - Opposition proceedings
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Advice of delivery
Dec 20, 2019
Any annexes (other than citation) to an opposition letter
Dec 20, 2019
Any annexes (other than citation) to an opposition letter
Dec 20, 2019
Any annexes (other than citation) to an opposition letter
Dec 20, 2019
Any annexes (other than citation) to an opposition letter
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Written submission in preparation to/during oral proceedings
Dec 19, 2019
Advice of delivery
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Acknowledgement of a document
Dec 17, 2019
Annex to the communication - opposition
Dec 17, 2019
Summons to attend oral proceedings
Dec 17, 2019
Summons to attend oral proceedings
Oct 2, 2019
Letter regarding the opposition procedure (no time limit)
Jun 24, 2019
Brief communication - Opposition proceedings
Jun 17, 2019
(Electronic) Receipt
Jun 17, 2019
Letter accompanying subsequently filed items
Jun 17, 2019
Non-patent literature cited during the opposition procedure
Jun 17, 2019
Non-patent literature cited during the opposition procedure
Jun 17, 2019
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Jun 17, 2019
Non-patent literature cited during the opposition procedure
Jun 17, 2019
Reply to an examination report in opposition proceedings
Apr 10, 2019
(Electronic) Receipt
Apr 10, 2019
Letter accompanying subsequently filed items
Apr 10, 2019
Request for extension of time limit
Mar 6, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Reply to an examination report in opposition proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 29, 2019
Grant of extension of time limit (opposition procedure)
Jan 28, 2019
Request for extension of time limit
Jan 24, 2019
Request for extension of time limit
Nov 27, 2018
Communication inviting the parties to file observations
Nov 27, 2018
Internal form - Opposition/addressees
Aug 24, 2018
Any annexes (other than citation) to an opposition letter
Aug 24, 2018
Brief communication - Opposition proceedings
Aug 24, 2018
Letter regarding the opposition procedure (no time limit)
Aug 24, 2018
Patent document cited during the opposition procedure
Aug 21, 2018
Any annexes (other than citation) to an opposition letter
Aug 21, 2018
Letter regarding the opposition procedure (no time limit)
Aug 21, 2018
Patent document cited during the opposition procedure
Aug 20, 2018
Communication of amended entries
Aug 3, 2018
Request concerning representative opponent
Jul 12, 2018
Letter regarding the opposition procedure (no time limit)
Jun 15, 2018
Brief communication - Opposition proceedings
Jun 12, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jun 12, 2018
Reply of the patent proprietor to the notice(s) of opposition
May 24, 2018
Rejection of request for extension of time limit
May 18, 2018
Request for extension of time limit
Mar 1, 2018
Brief communication - Opposition proceedings
Feb 23, 2018
(Electronic) Receipt
Feb 23, 2018
Letter accompanying subsequently filed items
Feb 23, 2018
Letter regarding the opposition procedure (no time limit)
Feb 12, 2018
Brief communication - Opposition proceedings
Feb 12, 2018
Grant of extension of time limit (opposition procedure)
Feb 7, 2018
Request for extension of time limit
Jan 25, 2018
Communication for party to proceedings/third party
Jan 25, 2018
Rejection of request for extension of time limit
Jan 24, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Grant of extension of time limit (opposition procedure)
Dec 27, 2017
Letter regarding the opposition procedure (no time limit)
Dec 27, 2017
Letter regarding the opposition procedure (no time limit)
Dec 27, 2017
Non-patent literature cited during the examination procedure
Dec 27, 2017
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Dec 21, 2017
Request for extension of time limit
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 20, 2017
Grant of extension of time limit (opposition procedure)
Nov 22, 2017
Refund of fees
Nov 8, 2017
Communication of a notice of opposition and request to file observations
Nov 8, 2017
Notice of further oppositions to opponent(s)
Oct 16, 2017
Brief communication - Opposition proceedings
Oct 16, 2017
Communication for party to proceedings/third party
Oct 9, 2017
Communication of a notice of opposition - first information to patent proprietor
Oct 4, 2017
(Electronic) Receipt
Oct 4, 2017
Letter accompanying subsequently filed items
Oct 4, 2017
Letter regarding the opposition procedure (no time limit)
Oct 3, 2017
(Electronic) Receipt
Oct 3, 2017
Non-patent literature cited during the opposition procedure
Oct 3, 2017
Non-patent literature cited during the opposition procedure
Oct 3, 2017
Non-patent literature cited during the opposition procedure
Oct 3, 2017
Notice of opposition
Oct 3, 2017
Notice of opposition
Oct 3, 2017
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Oct 3, 2017
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May 9, 2017
Submission concerning representation
Jan 4, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 8, 2016
Decision to grant a European patent
Nov 24, 2016
English translation of the claims
Nov 24, 2016
Filing of the translations of the claims
Nov 24, 2016
French translation of claims
Nov 24, 2016
Payment of fees and costs
Nov 24, 2016
Payment of fees and costs
Nov 4, 2016
Bibliographic data of the European patent application
Nov 4, 2016
Communication about intention to grant a European patent
Nov 4, 2016
Intention to grant (signatures)
Nov 4, 2016
Text intended for grant (clean copy)
Nov 4, 2016
Text intended for grant (version for approval)
Oct 9, 2016
Abstract
Oct 9, 2016
Abstract
Oct 9, 2016
Abstract
Oct 9, 2016
Amended claims with annotations
Oct 9, 2016
Amended claims with annotations
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Amended description with annotations
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Amended description with annotations
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Claims
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Claims
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Description
Oct 9, 2016
Description
Oct 9, 2016
Drawings
Oct 9, 2016
Drawings
Oct 9, 2016
Reply to communication from the Examining Division
Oct 9, 2016
Reply to communication from the Examining Division
Oct 5, 2016
Annex to the communication
Oct 5, 2016
Communication from the Examining Division
Sep 22, 2016
Examination started
Jun 13, 2016
Amended claims filed after receipt of (European) search report
Jun 13, 2016
Amended claims with annotations
Jun 13, 2016
Amendments received before examination
Jun 9, 2016
Amended claims filed after receipt of (European) search report
Jun 9, 2016
Amended claims with annotations
Jun 9, 2016
Amendments received before examination
Mar 16, 2016
Matter concerning the application
Mar 16, 2016
Patent document cited during the examination procedure
Mar 10, 2016
Matter concerning the application
Mar 10, 2016
Patent document cited during the examination procedure
Dec 14, 2015
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 11, 2015
Notification of forthcoming publication
Oct 28, 2015
Communication regarding the transmission of the European search report
Oct 28, 2015
European search opinion
Oct 28, 2015
European search report
Oct 20, 2015
Annex
Oct 20, 2015
Annex
Oct 20, 2015
Letter concerning fees and payments
Oct 15, 2015
Search started
Sep 23, 2015
Refund of fees
Sep 23, 2015
Refund of fees
Sep 14, 2015
Brief communication to applicant/representative
Sep 14, 2015
Note on telephone consultation
Aug 14, 2015
Communication to designated inventor
Aug 1, 2015
Letter which had not been notified
Jul 9, 2015
Payment of fees and costs
Jul 8, 2015
Refund of fees
Jul 3, 2015
Letter concerning the priority
Jul 3, 2015
Payment of fees and costs
Jul 3, 2015
Payment of fees and costs
Jul 3, 2015
Priority document
Jun 5, 2015
Abstract
Jun 5, 2015
Annex
Jun 5, 2015
Claims
Jun 5, 2015
Description
Jun 5, 2015
Designation of inventor
Jun 5, 2015
Drawings
Jun 5, 2015
Priority search results
Jun 5, 2015
Request for grant of a European patent (divisional application)
Jun 3, 2015
Annex
Jun 3, 2015
Designation of inventor
Jun 3, 2015
Priority search results
Jun 3, 2015
Request for grant of a European patent (divisional application)
Jun 3, 2015
Specification filed by fax and/or in non-official language
Jun 3, 2015
Specification filed by fax and/or in non-official language
Jun 3, 2015
Specification filed by fax and/or in non-official language
Jun 3, 2015
Specification filed by fax and/or in non-official language

EP2952330

REIFENHUSER

Application Number: EP15001647A
Filing Date: Aug 7, 2013
Status: Patent Maintained As Amended; Mar 28, 2025
Publication Date: Apr 30, 2025
External Links: Slate, Register , Google Patents

IP Verse

Blown Film System And Method For Producing A Blown Film Strip

Patent Summary

Patent Family

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EP2952330