Multi-Phase Filter Medium

Patent No. EP2346590 (titled "Multi-Phase Filter Medium") was filed by Hollingsworth & Vose on Nov 4, 2009. The application was issued on Aug 10, 2016.

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
AHLSTROM FILTRATION	May 10, 2017	PFENNING, MEINIG & PARTNER MBB, ET AL

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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Jul 15, 2025
Refund of fees
Jul 11, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 11, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 11, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 11, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 8, 2025
(Electronic) Receipt
Jul 8, 2025
F3004 Communication of the Registry
Jul 8, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Jul 8, 2025
F3345 Forwarding of submissions to parties
Jul 8, 2025
Letter accompanying subsequently filed items
Jul 8, 2025
Withdrawal of an appeal
Jul 4, 2025
F3345 Forwarding of submissions to parties
Jul 2, 2025
(Electronic) Receipt
Jul 2, 2025
Letter accompanying subsequently filed items
Jul 2, 2025
Letter relating to Appeal Procedure
May 13, 2025
F3345 Forwarding of submissions to parties
May 8, 2025
(Electronic) Receipt
May 8, 2025
(Electronic) Receipt
May 8, 2025
Letter accompanying subsequently filed items
May 8, 2025
Letter accompanying subsequently filed items
May 8, 2025
Request for interpreters during oral proceedings
Mar 3, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 3, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 5, 2024
F3011.2 Oral Proceedings: Summons VICO
Aug 5, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 31, 2024
F3010 Oral proceedings: order for summons
Oct 26, 2023
F3345 Forwarding of submissions to parties
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
Letter accompanying subsequently filed items
Oct 20, 2023
Reply to appeal
Jun 30, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
Amended claims with annotations
Jun 27, 2023
Amended claims with annotations
Jun 27, 2023
Auxiliary request during appeals procedure - 01
Jun 27, 2023
Auxiliary request during appeals procedure - 02
Jun 27, 2023
Auxiliary request during appeals procedure - 03
Jun 27, 2023
Auxiliary request during appeals procedure - 04
Jun 27, 2023
Auxiliary request during appeals procedure - 05
Jun 27, 2023
Auxiliary request during appeals procedure - 06
Jun 27, 2023
Auxiliary request during appeals procedure - 07
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Main request during appeals procedure
Jun 27, 2023
Statement of grounds of appeal
May 22, 2023
Composition of the board (T)
May 16, 2023
F3204 Communication of the file number to the parties
May 16, 2023
F3204 Communication of the file number to the parties
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Notice of appeal
Mar 10, 2023
Advice of delivery
Mar 9, 2023
Advice of delivery
Mar 7, 2023
Annex to the communication - opposition
Mar 7, 2023
Decision revoking the European patent
Mar 7, 2023
Decision revoking the European patent
Mar 7, 2023
Grounds for the decision (Annex) - opposition
Mar 7, 2023
Means of redress
Mar 7, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 7, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 7, 2023
Provision of a copy of the minutes - opposition procedure
Mar 7, 2023
Provision of a copy of the minutes - opposition procedure
Mar 7, 2023
Scanned annex to a communication - opposition procedure
Mar 7, 2023
Transmittal of decision / summons - opposition
Mar 7, 2023
Transmittal of decision / summons - opposition
Mar 2, 2023
Decision of the Opposition Division and instruction
Jan 26, 2023
Brief communication - Opposition proceedings
Jan 24, 2023
Information about the result of oral proceedings
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Written submission in preparation to/during oral proceedings
Jan 18, 2023
Brief communication - Opposition proceedings
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
Citation in opposition procedure - 017
Jan 13, 2023
Citation in opposition procedure - 040
Jan 13, 2023
Consolidated list of cited opposition documents
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 13, 2023
Written submission in preparation to/during oral proceedings
Dec 20, 2022
(Electronic) Receipt
Dec 2, 2022
Brief communication - Opposition proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Any annexes (other than citation) to an opposition letter
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Auxiliary request during Opposition procedure
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Written submission in preparation to/during oral proceedings
Nov 16, 2022
Request for interpreters during oral proceedings
Oct 19, 2022
Brief communication - Opposition proceedings
Oct 14, 2022
Request for interpreters during oral proceedings
Oct 11, 2022
(Electronic) Receipt
Oct 11, 2022
Citation in opposition procedure - 039
Oct 11, 2022
Letter accompanying subsequently filed items
Oct 11, 2022
Written submission in preparation to/during oral proceedings
Mar 21, 2022
Advice of delivery
Mar 18, 2022
Communication of amended entries
Mar 18, 2022
Communication of amended entries
Mar 14, 2022
(Electronic) Receipt
Mar 14, 2022
Authorisation
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 14, 2022
Request for change of opponent's representative
Mar 9, 2022
(Electronic) Receipt
Mar 9, 2022
Letter accompanying subsequently filed items
Mar 9, 2022
Request for change of opponent's representative
Mar 3, 2022
Advice of delivery
Mar 2, 2022
Annex to the communication - opposition
Mar 2, 2022
Information concerning oral proceedings
Mar 2, 2022
Summons to attend oral proceedings
Mar 2, 2022
Summons to attend oral proceedings
Mar 2, 2022
Transmittal of decision / summons - opposition
Mar 2, 2022
Transmittal of decision / summons - opposition
Nov 23, 2021
Advice of delivery
Nov 22, 2021
Decision of the Board of Appeal
Nov 22, 2021
F3032 Notification(s) of the decision
Nov 22, 2021
F3032 Notification(s) of the decision
Oct 1, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 1, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 1, 2021
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 16, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 16, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 13, 2021
F3345 Forwarding of submissions to parties
Sep 10, 2021
Advice of delivery
Sep 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 9, 2021
Oral proceedings: change of venue
Sep 9, 2021
Oral proceedings: change of venue
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Advice of delivery
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Letter dealing with oral proceedings during the appeal procedure
Sep 3, 2021
F3345 Forwarding of submissions to parties
Sep 2, 2021
F3345 Forwarding of submissions to parties
Sep 1, 2021
F3345 Forwarding of submissions to parties
Aug 30, 2021
(Electronic) Receipt
Aug 30, 2021
Letter accompanying subsequently filed items
Aug 30, 2021
Letter dealing with oral proceedings during the appeal procedure
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Letter dealing with oral proceedings during the appeal procedure
Aug 27, 2021
Request for interpreters during oral proceedings
Aug 19, 2021
F3345 Forwarding of submissions to parties
Aug 16, 2021
(Electronic) Receipt
Aug 16, 2021
Letter accompanying subsequently filed items
Aug 16, 2021
Request for interpreters during oral proceedings
Aug 9, 2021
F3345 Forwarding of submissions to parties
Aug 3, 2021
(Electronic) Receipt
Aug 3, 2021
Citation in opposition procedure - 037
Aug 3, 2021
Citation in opposition procedure - 038
Aug 3, 2021
Letter accompanying subsequently filed items
Aug 3, 2021
Letter dealing with oral proceedings during the appeal procedure
Aug 3, 2021
Non-Patent Literature cited during the appeal procedure
Aug 3, 2021
Non-Patent Literature cited during the appeal procedure
Jun 22, 2021
F3345 Forwarding of submissions to parties
Jun 17, 2021
(Electronic) Receipt
Jun 17, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Withdrawal of a request for oral proceedings
May 20, 2021
F3345 Forwarding of submissions to parties
May 14, 2021
(Electronic) Receipt
May 14, 2021
Letter accompanying subsequently filed items
May 14, 2021
Letter relating to Appeal Procedure
May 11, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 11, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 23, 2021
F3345 Forwarding of submissions to parties
Apr 20, 2021
(Electronic) Receipt
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure
Apr 20, 2021
Auxiliary request during Opposition procedure - 01
Apr 20, 2021
Auxiliary request during Opposition procedure - 02
Apr 20, 2021
Auxiliary request during Opposition procedure - 03
Apr 20, 2021
Auxiliary request during Opposition procedure - 04
Apr 20, 2021
Auxiliary request during Opposition procedure - 05
Apr 20, 2021
Auxiliary request during Opposition procedure - 06
Apr 20, 2021
Auxiliary request during Opposition procedure - 07
Apr 20, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
Letter relating to Appeal Procedure
Apr 20, 2021
Main request during Opposition procedure
Apr 20, 2021
Main request during Opposition procedure
Sep 24, 2020
Advice of delivery
Sep 22, 2020
Advice of delivery
Sep 18, 2020
F3011.1 Oral Proceedings: summons
Sep 18, 2020
F3011.1 Oral Proceedings: summons
Sep 15, 2020
F3010 Oral proceedings: order for summons
Feb 3, 2020
Composition of the board (T)
Jan 15, 2020
F3057 Communication: Change of responsibility of a Board of Appeal
Jan 15, 2020
F3057 Communication: Change of responsibility of a Board of Appeal
Nov 27, 2019
Composition of the board (T)
Nov 14, 2019
F3345 Forwarding of submissions to parties
Nov 8, 2019
(Electronic) Receipt
Nov 8, 2019
Citation in opposition procedure - 009
Nov 8, 2019
Citation in opposition procedure - 034
Nov 8, 2019
Citation in opposition procedure - 035
Nov 8, 2019
Citation in opposition procedure - 036
Nov 8, 2019
Letter accompanying subsequently filed items
Nov 8, 2019
Non-Patent Literature cited during the appeal procedure
Nov 8, 2019
Non-Patent Literature cited during the appeal procedure
Nov 8, 2019
Non-Patent Literature cited during the appeal procedure
Nov 8, 2019
Reply to appeal
Jun 28, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 24, 2019
(Electronic) Receipt
Jun 24, 2019
Annexes (other than cited documents) regarding appeal procedure
Jun 24, 2019
Annexes (other than cited documents) regarding appeal procedure
Jun 24, 2019
Citation in opposition procedure - 030
Jun 24, 2019
Citation in opposition procedure - 031
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Claims
Jun 24, 2019
Letter accompanying subsequently filed items
Jun 24, 2019
Statement of grounds of appeal
Apr 25, 2019
F3204 Communication of the file number to the parties
Apr 25, 2019
F3204 Communication of the file number to the parties
Apr 15, 2019
(Electronic) Receipt
Apr 15, 2019
Letter accompanying subsequently filed items
Apr 15, 2019
Notice of appeal
Apr 15, 2019
Processing of an appeal
Feb 19, 2019
Advice of delivery
Feb 18, 2019
Advice of delivery
Feb 18, 2019
Advice of delivery
Feb 14, 2019
Acknowledgement of a document
Feb 14, 2019
Acknowledgement of a document
Feb 14, 2019
Annex to the communication - opposition
Feb 14, 2019
Decision of the Opposition Division and instruction
Feb 14, 2019
Decision revoking the European patent
Feb 14, 2019
Grounds for the decision (Annex) - opposition
Feb 14, 2019
Internal form - Opposition/addressees
Feb 14, 2019
Internal form - Opposition/addressees
Feb 14, 2019
Means of redress
Feb 14, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 14, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 14, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 14, 2019
Provision of a copy of the minutes - opposition procedure
Feb 14, 2019
Scanned annex to a communication - opposition procedure
Jan 16, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
Information about the result of oral proceedings
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Citation in opposition procedure
Jan 10, 2019
Citation in opposition procedure
Jan 10, 2019
Citation in opposition procedure
Jan 10, 2019
Citation in opposition procedure
Jan 10, 2019
Letter accompanying subsequently filed items
Jan 10, 2019
Written submission in preparation to/during oral proceedings
Jan 10, 2019
Written submission in preparation to/during oral proceedings
Dec 28, 2018
(Electronic) Receipt
Dec 28, 2018
Citation in opposition procedure - 014
Dec 28, 2018
Citation in opposition procedure - 027
Dec 28, 2018
Citation in opposition procedure - 028
Dec 28, 2018
Citation in opposition procedure - 029
Dec 28, 2018
Letter accompanying subsequently filed items
Dec 28, 2018
Written submission in preparation to/during oral proceedings
Nov 26, 2018
Citation in opposition procedure - 001
Nov 26, 2018
Citation in opposition procedure - 002
Nov 26, 2018
Citation in opposition procedure - 003
Nov 26, 2018
Citation in opposition procedure - 003
Nov 26, 2018
Citation in opposition procedure - 004
Nov 26, 2018
Citation in opposition procedure - 005
Nov 26, 2018
Citation in opposition procedure - 006
Nov 26, 2018
Citation in opposition procedure - 007
Nov 26, 2018
Citation in opposition procedure - 008
Nov 26, 2018
Citation in opposition procedure - 009
Nov 26, 2018
Citation in opposition procedure - 009
Nov 26, 2018
Citation in opposition procedure - 009
Nov 26, 2018
Citation in opposition procedure - 010
Nov 26, 2018
Citation in opposition procedure - 011
Nov 26, 2018
Citation in opposition procedure - 012
Nov 26, 2018
Citation in opposition procedure - 013
Nov 26, 2018
Citation in opposition procedure - 013
Nov 26, 2018
Citation in opposition procedure - 014
Nov 26, 2018
Citation in opposition procedure - 015
Nov 26, 2018
Citation in opposition procedure - 016
Nov 26, 2018
Citation in opposition procedure - 017
Nov 26, 2018
Citation in opposition procedure - 018
Nov 26, 2018
Citation in opposition procedure - 019
Nov 26, 2018
Citation in opposition procedure - 020
Nov 26, 2018
Citation in opposition procedure - 021
Nov 26, 2018
Citation in opposition procedure - 022
Nov 26, 2018
Citation in opposition procedure - 023
Nov 26, 2018
Citation in opposition procedure - 024
Nov 26, 2018
Citation in opposition procedure - 025
Nov 26, 2018
Citation in opposition procedure - 026
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 14, 2018
(Electronic) Receipt
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Citation in opposition procedure
Nov 14, 2018
Citation in opposition procedure
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Claims
Nov 14, 2018
Letter accompanying subsequently filed items
Nov 14, 2018
Non-patent literature cited during the opposition procedure
Nov 14, 2018
Non-patent literature cited during the opposition procedure
Nov 14, 2018
Written submission in preparation to/during oral proceedings
Nov 13, 2018
Request for interpreters during oral proceedings
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Request for interpreters during oral proceedings
Nov 12, 2018
Request for interpreters during oral proceedings
Nov 5, 2018
Brief communication - Opposition proceedings
Oct 26, 2018
(Electronic) Receipt
Oct 26, 2018
Citation in opposition procedure
Oct 26, 2018
Letter accompanying subsequently filed items
Oct 26, 2018
Written submission in preparation to/during oral proceedings
Jul 26, 2018
Advice of delivery
Jul 6, 2018
Advice of delivery
Jun 7, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
Jun 5, 2018
Advice of delivery
Jun 1, 2018
Advice of delivery
May 31, 2018
Acknowledgement of a document
May 31, 2018
Acknowledgement of a document
May 31, 2018
Information concerning oral proceedings
May 31, 2018
Summons to attend oral proceedings
May 31, 2018
Summons to attend oral proceedings
May 30, 2018
Notification concerning the date of oral proceedings
May 30, 2018
Notification concerning the date of oral proceedings
May 17, 2018
Oral proceedings: Request for postponement
Apr 19, 2018
Brief communication - Opposition proceedings
Apr 11, 2018
Any annexes (other than citation) to an opposition letter
Apr 11, 2018
Oral proceedings: Request for postponement
Mar 19, 2018
Advice of delivery
Mar 16, 2018
Advice of delivery
Mar 16, 2018
Advice of delivery
Mar 15, 2018
Advice of delivery
Mar 13, 2018
Acknowledgement of a document
Mar 13, 2018
Acknowledgement of a document
Mar 13, 2018
Annex to the communication - opposition
Mar 13, 2018
Information concerning oral proceedings
Mar 13, 2018
Preparation for oral proceedings
Mar 13, 2018
Summons to attend oral proceedings
Mar 13, 2018
Summons to attend oral proceedings
Feb 8, 2018
Brief communication - Opposition proceedings
Feb 1, 2018
Letter regarding the opposition procedure (no time limit)
Feb 1, 2018
Non-patent literature cited during the opposition procedure
Feb 1, 2018
Non-patent literature cited during the opposition procedure
Feb 1, 2018
Non-patent literature cited during the opposition procedure
Feb 1, 2018
Non-patent literature cited during the opposition procedure
Nov 9, 2017
Brief communication - Opposition proceedings
Nov 2, 2017
(Electronic) Receipt
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended description with annotations
Nov 2, 2017
Citation in opposition procedure
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Description
Nov 2, 2017
Letter accompanying subsequently filed items
Nov 2, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 22, 2017
Communication of a notice of opposition and request to file observations
Jun 22, 2017
Notice of further oppositions to opponent(s)
Jun 7, 2017
Brief communication - Opposition proceedings
May 26, 2017
Letter regarding the opposition procedure (no time limit)
May 19, 2017
Communication of a notice of opposition - first information to patent proprietor
May 10, 2017
(Electronic) Receipt
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Citation in opposition procedure
May 10, 2017
Non-patent literature cited during the opposition procedure
May 10, 2017
Non-patent literature cited during the opposition procedure
May 10, 2017
Non-patent literature cited during the opposition procedure
May 10, 2017
Notice of opposition
May 10, 2017
Notice of opposition
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
Aug 10, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 14, 2016
Decision to grant a European patent
Jun 28, 2016
Filing of the translations of the claims
Jun 28, 2016
French translation of claims
Jun 28, 2016
German translation of the claims
Jun 28, 2016
Payment of fees and costs
Feb 18, 2016
Bibliographic data of the European patent application
Feb 18, 2016
Communication about intention to grant a European patent
Feb 18, 2016
Intention to grant (signatures)
Feb 18, 2016
Text intended for grant
Dec 21, 2015
Amended claims with annotations
Dec 21, 2015
Amended description with annotations
Dec 21, 2015
Claims
Dec 21, 2015
Description
Dec 21, 2015
Reply to communication from the Examining Division
Oct 16, 2015
Grant of extension of time limit (examination procedure)
Oct 9, 2015
Request for extension of time limit to communication from the Examining Division
Jun 17, 2015
Annex to the communication
Jun 17, 2015
Communication from the Examining Division
Nov 3, 2014
Claims
Nov 3, 2014
Reply to communication from the Examining Division
Sep 26, 2014
Submission concerning representation
Jul 2, 2014
Annex to the communication
Jul 2, 2014
Communication from the Examining Division
Dec 9, 2013
Amended claims with annotations
Dec 9, 2013
Claims
Dec 9, 2013
Reply to communication from the Examining Division
Oct 24, 2013
Grant of extension of time limit (examination procedure)
Oct 10, 2013
Request for extension of time limit to communication from the Examining Division
Jun 7, 2013
Annex to the communication
Jun 7, 2013
Communication from the Examining Division
Jan 30, 2013
Amended claims with annotations
Jan 30, 2013
Claims
Jan 30, 2013
Drawings
Jan 30, 2013
Reply to communication from the Examining Division
Nov 29, 2012
Grant of extension of time limit (examination procedure)
Nov 20, 2012
Request for extension of time limit to communication from the Examining Division
Jul 20, 2012
Annex to the communication
Jul 20, 2012
Communication from the Examining Division
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 9, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 9, 2012
Amended claims filed after receipt of (European) search report
Jan 9, 2012
Amended claims with annotations
Jan 9, 2012
Amendments received before examination
Jan 9, 2012
Non-patent literature cited during the examination procedure
Sep 16, 2011
Letter concerning the inventor
Aug 5, 2011
Invitation to indicate correct address of inventor
Aug 1, 2011
Letter which had not been notified
Jun 30, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 29, 2011
Notification on forthcoming publication of bibliographic data
May 25, 2011
Copy of the international preliminary report on patentability
May 3, 2011
(Electronic) Receipt
May 3, 2011
Request for entry into the European phase
Mar 18, 2011
Information on entry into European phase
Oct 21, 2010
Copy of the international search report
Oct 21, 2010
Published international application - A9
Sep 8, 2010
Communication in cases for which no other form is applicable
Sep 2, 2010
Copy of the international search report
Sep 2, 2010
International publication of the international search report
Jul 20, 2010
Written opinion of the ISA, boxes No. I to VIII
Jul 20, 2010
Written opinion of the ISA, cover sheet
Jul 20, 2010
Written opinion of the ISA, supplemental box
Jun 28, 2010
PCT(ISA/IPEA): Rectified sheet (Rule 91) - description
Jun 28, 2010
Request for correction of obvious error
Jun 24, 2010
PCT(ISA/IPEA): Rectified sheet (Rule 91) - description
Jun 24, 2010
Request for correction of obvious error
Jun 3, 2010
Priority document (electronically transmitted)
Jun 3, 2010
Priority document (electronically transmitted)
May 14, 2010
Published international application - A2
Nov 20, 2009
Abstract
Nov 20, 2009
Claims
Nov 20, 2009
Description
Nov 20, 2009
Drawings

EP2346590

HOLLINGSWORTH & VOSE

Application Number: EP09752519A
Filing Date: Nov 4, 2009
Status: Revoked; Jul 18, 2025
Publication Date: Aug 10, 2016
External Links: Slate, Register , Google Patents

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Multi-Phase Filter Medium

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Dossier Documents

EP2346590