Process For Enhancing The Molecular Weight Of A Polyester

Patent No. EP3378881 (titled "Process For Enhancing The Molecular Weight Of A Polyester") was filed by Furanix on Mar 11, 2015. The application was issued on Feb 9, 2022.

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
STORA ENSO OYJ	Nov 8, 2022	BRANN

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

Get instant alerts for new documents

Jan 16, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 16, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 2, 2025
F3204 Communication of the file number to the parties
Jan 2, 2025
F3204 Communication of the file number to the parties
Jan 2, 2025
F3345 Forwarding of submissions to parties
Jan 2, 2025
F3345 Forwarding of submissions to parties
Dec 20, 2024
(Electronic) Receipt
Dec 20, 2024
Composition of the board (T)
Dec 20, 2024
Letter accompanying subsequently filed items
Dec 20, 2024
Withdrawal of an appeal
Dec 17, 2024
(Electronic) Receipt
Dec 17, 2024
Letter accompanying subsequently filed items
Dec 17, 2024
Letter concerning fees and payments
Dec 16, 2024
(Electronic) Receipt
Dec 16, 2024
Letter accompanying subsequently filed items
Dec 16, 2024
Notice of appeal
Nov 4, 2024
Annex to the communication - opposition
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Decision of the Opposition Division and instruction
Nov 4, 2024
Decision rejecting the opposition
Nov 4, 2024
Decision rejecting the opposition
Nov 4, 2024
Grounds for the decision (Annex) - opposition
Nov 4, 2024
Means of redress
Nov 4, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 4, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 4, 2024
Provision of a copy of the minutes - opposition procedure
Nov 4, 2024
Provision of a copy of the minutes - opposition procedure
Oct 29, 2024
Scanned annex to a communication - opposition procedure
Oct 8, 2024
Information about the result of oral proceedings
Aug 14, 2024
Brief communication - Opposition proceedings
Aug 9, 2024
Brief communication - Opposition proceedings
Aug 8, 2024
(Electronic) Receipt
Aug 8, 2024
Citation in opposition procedure - 005
Aug 8, 2024
Citation in opposition procedure - 006
Aug 8, 2024
Citation in opposition procedure - 006
Aug 8, 2024
Consolidated list of cited opposition documents
Aug 8, 2024
Letter accompanying subsequently filed items
Aug 8, 2024
Written submission in preparation to/during oral proceedings
Aug 6, 2024
(Electronic) Receipt
Aug 6, 2024
Auxiliary request during Opposition procedure
Aug 6, 2024
Auxiliary request during Opposition procedure
Aug 6, 2024
Auxiliary request during Opposition procedure - 03
Aug 6, 2024
Auxiliary request during Opposition procedure - 04
Aug 6, 2024
Letter accompanying subsequently filed items
Aug 6, 2024
Request for interpreters during oral proceedings
Aug 6, 2024
Written submission in preparation to/during oral proceedings
Oct 13, 2023
(Electronic) Receipt
Oct 13, 2023
Advice of delivery
Oct 13, 2023
Advice of delivery
Oct 13, 2023
Annex to the communication - opposition
Oct 13, 2023
Information concerning oral proceedings
Oct 13, 2023
Letter accompanying subsequently filed items
Oct 13, 2023
Scanned annex to a communication - opposition procedure
Oct 13, 2023
Summons to attend oral proceedings
Oct 13, 2023
Summons to attend oral proceedings
Oct 13, 2023
Transmittal of decision / summons - opposition
Oct 13, 2023
Transmittal of decision / summons - opposition
May 12, 2023
Brief communication - Opposition proceedings
May 11, 2023
Communication concerning the filing of a power of attorney
May 11, 2023
Communication of amended entries
May 5, 2023
(Electronic) Receipt
May 5, 2023
Authorisation
May 5, 2023
Letter accompanying subsequently filed items (CDR)
May 5, 2023
Request for change of opponent's representative
Apr 25, 2023
Brief communication - Opposition proceedings (Legal Division)
Apr 18, 2023
(Electronic) Receipt
Apr 18, 2023
Authorisation
Apr 18, 2023
Letter accompanying subsequently filed items (CDR)
Mar 28, 2023
Brief communication - Opposition proceedings
Mar 22, 2023
(Electronic) Receipt
Mar 22, 2023
Auxiliary request during Opposition procedure
Mar 22, 2023
Auxiliary request during Opposition procedure
Mar 22, 2023
Auxiliary request during Opposition procedure - 01
Mar 22, 2023
Auxiliary request during Opposition procedure - 02
Mar 22, 2023
Letter accompanying subsequently filed items
Mar 22, 2023
Reply of the patent proprietor to the notice(s) of opposition
Nov 23, 2022
Communication of a notice of opposition and request to file observations
Nov 23, 2022
Notice of further oppositions to opponent(s)
Nov 11, 2022
Communication of a notice of opposition - first information to patent proprietor
Nov 8, 2022
(Electronic) Receipt
Nov 8, 2022
Citation in opposition procedure - 001
Nov 8, 2022
Citation in opposition procedure - 002
Nov 8, 2022
Citation in opposition procedure - 003
Nov 8, 2022
Citation in opposition procedure - 004
Nov 8, 2022
Notice of opposition
Nov 8, 2022
Notice of opposition
Feb 22, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 13, 2022
Decision to grant a European patent
Dec 27, 2021
(Electronic) Receipt
Dec 27, 2021
Filing of the translations of the claims
Dec 27, 2021
French translation of claims
Dec 27, 2021
German translation of the claims
Dec 27, 2021
Letter accompanying subsequently filed items
Sep 20, 2021
Bibliographic data of the European patent application
Sep 20, 2021
Communication about intention to grant a European patent
Sep 20, 2021
Intention to grant (signatures)
Sep 20, 2021
Text intended for grant (clean copy)
Sep 20, 2021
Text intended for grant (version for approval)
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Amended claims with annotations
Jul 29, 2020
Amended description with annotations
Jul 29, 2020
Claims
Jul 29, 2020
Description
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Reply to communication from the Examining Division
Apr 9, 2020
Annex to the communication
Apr 9, 2020
Communication from the Examining Division
Apr 3, 2020
Examination started
Feb 13, 2020
Communication of the registration of a transfer or change of name and/or address
Feb 6, 2020
(Electronic) Receipt
Feb 6, 2020
Letter accompanying subsequently filed items
Feb 6, 2020
Submission concerning a transfer of rights (applicant)
Jan 20, 2020
Annexes in respect of a client data request
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Submission concerning a transfer of rights (applicant)
Jan 20, 2020
Submission concerning a transfer of rights (applicant)
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Amended claims filed after receipt of (European) search report
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amendments received before examination
Mar 26, 2019
Letter accompanying subsequently filed items
Oct 1, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Aug 29, 2018
Notification of forthcoming publication
Aug 29, 2018
Refund of fees
Aug 23, 2018
Communication regarding the transmission of the European search report
Aug 23, 2018
European search opinion
Aug 23, 2018
European search report
Aug 23, 2018
Information on Search Strategy
Aug 17, 2018
Modified abstract
Aug 9, 2018
Search started
Jul 18, 2018
Refund of fees
Jul 18, 2018
Refund of fees
Jul 6, 2018
Invitation to indicate correct address of inventor
Jun 26, 2018
Letter which had not been notified
Jun 18, 2018
Communication to designated inventor
Jun 18, 2018
Communication to designated inventor
Jun 18, 2018
Communication to designated inventor
Jun 18, 2018
Communication to designated inventor
Jun 18, 2018
Communication to designated inventor
Jun 18, 2018
Communication to designated inventor
May 11, 2018
Priority search results copy provided by EPO
Apr 25, 2018
Abstract
Apr 25, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 25, 2018
Claims
Apr 25, 2018
Description
Apr 25, 2018
Designation of inventor
Apr 25, 2018
Priority search results
Apr 25, 2018
Request for grant of a European patent
Oct 6, 2015
Priority document (electronically transmitted)
Oct 6, 2015
Priority document (electronically transmitted)

EP3378881

FURANIX

Application Number: EP18169328A
Filing Date: Mar 11, 2015
Status: Opposition Rejected; Jan 17, 2025
Publication Date: Feb 9, 2022
External Links: Slate, Register , Google Patents

IP Verse

Process For Enhancing The Molecular Weight Of A Polyester

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3378881