Cellulose-Derived Compositions

Patent No. EP2931970 (titled "Cellulose-Derived Compositions") was filed by Fiberlean on Dec 9, 2013. The application was issued on Jun 29, 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
WEIDMANN HOLDING	Apr 26, 2019	RUTZ

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

Jun 2, 2022
Decision to maintain the European patent in amended form
Jun 2, 2022
Decision to maintain the European patent in amended form
May 27, 2022
Termination of the opposition proceedings with maintenance of patent
May 20, 2022
(Electronic) Receipt
May 20, 2022
Filing of the translation of the amended claims
May 20, 2022
French translation of claims
May 20, 2022
German translation of the claims
May 20, 2022
Letter accompanying subsequently filed items
Mar 3, 2022
Communication of bibliographic data
Mar 3, 2022
Communication to opponent concerning maintenance
Mar 3, 2022
Communication with request to file translations
Feb 24, 2022
Maintenance of the patent with the documents specified in the final decision
Nov 3, 2021
Refund of fees
Oct 29, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 29, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 26, 2021
F3345 Forwarding of submissions to parties
Oct 21, 2021
(Electronic) Receipt
Oct 21, 2021
Composition of the board (T)
Oct 21, 2021
Letter accompanying subsequently filed items
Oct 21, 2021
Withdrawal of an appeal
Sep 1, 2021
F3204 Communication of the file number to the parties
Sep 1, 2021
F3204 Communication of the file number to the parties
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Notice of appeal
Jun 22, 2021
Advice of delivery
Jun 21, 2021
Advice of delivery
Jun 18, 2021
Annex to the communication - opposition
Jun 18, 2021
Decision of the Opposition Division and instruction
Jun 18, 2021
Druckexemplar in opposition procedure
Jun 18, 2021
Grounds for the decision (Annex) - opposition
Jun 18, 2021
Interlocutory decision in opposition proceedings
Jun 18, 2021
Interlocutory decision in opposition proceedings
Jun 18, 2021
Means of redress
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 18, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 18, 2021
Provision of a copy of the minutes - opposition procedure
Jun 18, 2021
Provision of a copy of the minutes - opposition procedure
Jun 18, 2021
Scanned annex to a communication - opposition procedure
Jun 18, 2021
Scanned annex to a communication - opposition procedure
Jun 18, 2021
Transmittal of decision / summons - opposition
Jun 18, 2021
Transmittal of decision / summons - opposition
Feb 24, 2021
Information about the result of oral proceedings
Feb 10, 2021
(Electronic) Receipt
Feb 10, 2021
Letter accompanying subsequently filed items
Feb 10, 2021
Oral proceedings: reply to date proposed
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 22, 2021
(Electronic) Receipt
Jan 22, 2021
Letter accompanying subsequently filed items
Jan 22, 2021
Written submission in preparation to/during oral proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Oral proceedings: reply to date proposed
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
(Electronic) Receipt
Dec 17, 2020
Auxiliary request during Opposition procedure
Dec 17, 2020
Auxiliary request during Opposition procedure
Dec 17, 2020
Auxiliary request during Opposition procedure
Dec 17, 2020
Auxiliary request during Opposition procedure - 03
Dec 17, 2020
Auxiliary request during Opposition procedure - 04
Dec 17, 2020
Auxiliary request during Opposition procedure - 05
Dec 17, 2020
Letter accompanying subsequently filed items
Dec 17, 2020
Letter accompanying subsequently filed items
Dec 17, 2020
Written submission in preparation to/during oral proceedings
Dec 17, 2020
Written submission in preparation to/during oral proceedings
Dec 7, 2020
Notification concerning the date of oral proceedings
Dec 7, 2020
Notification concerning the date of oral proceedings
Oct 16, 2020
Advice of delivery
Oct 14, 2020
Advice of delivery
Oct 8, 2020
Acknowledgement of a document
Oct 8, 2020
Acknowledgement of a document
Oct 8, 2020
Annex to the communication - opposition
Oct 8, 2020
Information concerning oral proceedings
Oct 8, 2020
Summons to attend oral proceedings
Oct 8, 2020
Summons to attend oral proceedings
Jul 17, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
Brief communication - Opposition proceedings
Jul 13, 2020
Brief communication - Opposition proceedings
Jul 9, 2020
(Electronic) Receipt
Jul 9, 2020
(Electronic) Receipt
Jul 9, 2020
Auxiliary request during Opposition procedure
Jul 9, 2020
Auxiliary request during Opposition procedure
Jul 9, 2020
Auxiliary request during Opposition procedure - 01
Jul 9, 2020
Auxiliary request during Opposition procedure - 02
Jul 9, 2020
Letter accompanying subsequently filed items
Jul 9, 2020
Letter accompanying subsequently filed items
Jul 9, 2020
Request for interpreters during oral proceedings
Jul 9, 2020
Written submission in preparation to/during oral proceedings
Jul 7, 2020
(Electronic) Receipt
Jul 7, 2020
Authorisation
Jul 7, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Written submission in preparation to/during oral proceedings
Jun 29, 2020
Oral proceedings: reply to date proposed
Jun 26, 2020
Oral proceedings: reply to date proposed
Feb 10, 2020
Advice of delivery
Feb 7, 2020
Advice of delivery
Feb 3, 2020
Acknowledgement of a document
Feb 3, 2020
Acknowledgement of a document
Feb 3, 2020
Annex to the communication - opposition
Feb 3, 2020
Information concerning oral proceedings
Feb 3, 2020
Summons to attend oral proceedings
Feb 3, 2020
Summons to attend oral proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Sep 30, 2019
Consolidated list of cited opposition documents
Sep 24, 2019
(Electronic) Receipt
Sep 24, 2019
Auxiliary request during Opposition procedure
Sep 24, 2019
Auxiliary request during Opposition procedure - 01
Sep 24, 2019
Letter accompanying subsequently filed items
Sep 24, 2019
Reply of the patent proprietor to the notice(s) of opposition
Sep 5, 2019
Brief communication - Opposition proceedings
Sep 5, 2019
Rejection of request for extension of time limit
Aug 30, 2019
(Electronic) Receipt
Aug 30, 2019
Letter accompanying subsequently filed items
Aug 30, 2019
Request for extension of time limit to communication from the Examining Division
May 21, 2019
Refund of fees
May 16, 2019
Brief communication - Opposition proceedings
May 16, 2019
Communication concerning the filing of a power of attorney
May 16, 2019
Communication of amended entries concerning the representative
May 14, 2019
Communication of a notice of opposition and request to file observations
May 14, 2019
Notice of further oppositions to opponent(s)
May 10, 2019
(Electronic) Receipt
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Submission concerning change of applicant's representative
May 6, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 26, 2019
(Electronic) Receipt
Apr 26, 2019
Citation in opposition procedure - 001
Apr 26, 2019
Citation in opposition procedure - 002
Apr 26, 2019
Citation in opposition procedure - 003
Apr 26, 2019
Citation in opposition procedure - 004
Apr 26, 2019
Citation in opposition procedure - 005
Apr 26, 2019
Citation in opposition procedure - 005
Apr 26, 2019
Citation in opposition procedure - 006
Apr 26, 2019
Citation in opposition procedure - 007
Apr 26, 2019
Citation in opposition procedure - 007
Apr 26, 2019
Citation in opposition procedure - 008
Apr 26, 2019
Citation in opposition procedure - 009
Apr 26, 2019
Citation in opposition procedure - 010
Apr 26, 2019
Citation in opposition procedure - 011
Apr 26, 2019
Citation in opposition procedure - 012
Apr 26, 2019
Notice of opposition
Apr 26, 2019
Notice of opposition
Apr 26, 2019
Patent document cited during the opposition procedure
Aug 13, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 5, 2018
Decision to grant a European patent
Jun 21, 2018
Bibliographic data of the European patent application
Jun 21, 2018
Information about intention to grant a patent
Jun 21, 2018
Intention to grant (signatures)
Jun 21, 2018
Text intended for grant (clean copy)
Jun 21, 2018
Text intended for grant (version for approval)
Jun 14, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 8, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 5, 2018
(Electronic) Receipt
Jun 5, 2018
Amended claims with annotations
Jun 5, 2018
Claims
Jun 5, 2018
French translation of claims
Jun 5, 2018
German translation of the claims
Jun 5, 2018
Letter accompanying subsequently filed items
Jun 5, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 15, 2018
Bibliographic data of the European patent application
Mar 15, 2018
Communication about intention to grant a European patent
Mar 15, 2018
Intention to grant (signatures)
Mar 15, 2018
Text intended for grant (clean copy)
Mar 15, 2018
Text intended for grant (version for approval)
Dec 5, 2017
(Electronic) Receipt
Dec 5, 2017
Amended claims with annotations
Dec 5, 2017
Amended description with annotations
Dec 5, 2017
Claims
Dec 5, 2017
Description
Dec 5, 2017
Letter accompanying subsequently filed items
Dec 5, 2017
Reply to communication from the Examining Division
Sep 8, 2017
Grant of extension of time limit (examination procedure)
Sep 4, 2017
(Electronic) Receipt
Sep 4, 2017
Letter accompanying subsequently filed items
Sep 4, 2017
Request for extension of time limit to communication from the Examining Division
Jul 3, 2017
(Electronic) Receipt
Jul 3, 2017
Letter accompanying subsequently filed items
Jul 3, 2017
Miscellaneous requests concerning client data
Jul 3, 2017
Miscellaneous requests concerning client data
Jun 22, 2017
Annex to the communication
Jun 22, 2017
Consultation by telephone/in person
Jun 22, 2017
Result of consultation by telephone/in person
May 30, 2017
Annex to the communication
May 30, 2017
Communication from the Examining Division
May 15, 2017
Communication of the registration of a transfer or change of name and/or address
Mar 3, 2017
(Electronic) Receipt
Mar 3, 2017
Annexes in respect of a client data request
Mar 3, 2017
Annexes in respect of a client data request
Mar 3, 2017
Authorisation
Mar 3, 2017
Letter accompanying subsequently filed items
Mar 3, 2017
Submission concerning a transfer of rights (applicant)
Sep 15, 2016
(Electronic) Receipt
Sep 15, 2016
Amended description with annotations
Sep 15, 2016
Description
Sep 15, 2016
Letter accompanying subsequently filed items
Sep 15, 2016
Reply to communication from the Examining Division
Jul 28, 2016
Communication of amended entries concerning the representative
Jul 25, 2016
Submission concerning change of applicant's representative
Jul 20, 2016
Submission concerning change of applicant's representative
Jun 2, 2016
Annex to the communication
Jun 2, 2016
Communication from the Examining Division
May 27, 2016
Examination started
May 11, 2016
Decision to allow further processing
Apr 28, 2016
(Electronic) Receipt
Apr 28, 2016
Amended claims filed after receipt of (European) search report
Apr 28, 2016
Amended claims with annotations
Apr 28, 2016
Amendments received before examination
Apr 28, 2016
Letter accompanying subsequently filed items
Mar 4, 2016
Application deemed to be withdrawn (non-reply to Written Opinion)
Mar 4, 2016
Claim deemed abandoned
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
Jun 29, 2015
Copy of the international preliminary report on patentability
Apr 27, 2015
(Electronic) Receipt
Apr 27, 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
May 6, 2014
Written opinion of the ISA, boxes No. I to VIII
May 6, 2014
Written opinion of the ISA, cover sheet
May 6, 2014
Written opinion of the ISA, supplemental box
Dec 16, 2013
Abstract
Dec 16, 2013
Claims
Dec 16, 2013
Description

EP2931970

FIBERLEAN

Application Number: EP13805491A
Filing Date: Dec 9, 2013
Status: Patent Maintained As Amended; May 27, 2022
Publication Date: Jun 29, 2022
External Links: Slate, Register , Google Patents

IP Verse

Cellulose-Derived Compositions

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2931970