Asymmetrical Medical Filter

Patent No. EP1755726 (titled "Asymmetrical Medical Filter") was filed by Cordis on Apr 16, 2005. The application was issued on Dec 23, 2015.

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
LIFETECH SCIENTIFIC SHENZHEN	Dec 23, 2015	HOFFMANN EITLE

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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Oct 1, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 1, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 26, 2018
Termination of the opposition proceedings with revocation of patent
Jun 20, 2018
Advice of delivery
Jun 19, 2018
Advice of delivery
Jun 15, 2018
Advice of delivery
Jun 14, 2018
Annex to the communication - opposition
Jun 14, 2018
Decision of the Opposition Division and instruction
Jun 14, 2018
Decision revoking the European patent
Jun 14, 2018
Grounds for the decision (Annex) - opposition
Jun 14, 2018
Internal form - Opposition/addressees
Jun 14, 2018
Internal form - Opposition/addressees
Jun 14, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 14, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 14, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 14, 2018
Provision of a copy of the minutes - opposition procedure
Jun 14, 2018
Scanned annex to a communication - opposition procedure
Apr 18, 2018
Brief communication - Opposition proceedings
Apr 18, 2018
Information about the result of oral proceedings
Apr 18, 2018
Result of consultation by telephone/in person
Feb 6, 2018
Brief communication - Opposition proceedings
Feb 5, 2018
(Electronic) Receipt
Feb 5, 2018
Letter regarding the opposition procedure (no time limit)
Feb 5, 2018
Patent document cited during the opposition procedure
Feb 5, 2018
Request for interpreters during oral proceedings
Sep 8, 2017
Advice of delivery
Sep 6, 2017
Advice of delivery
Sep 1, 2017
Advice of delivery
Aug 31, 2017
Annex to the communication - opposition
Aug 31, 2017
Information concerning oral proceedings
Aug 31, 2017
Summons to attend oral proceedings
Aug 31, 2017
Summons to attend oral proceedings
Aug 30, 2017
Brief communication - Opposition proceedings
Aug 30, 2017
Brief communication - Opposition proceedings
Aug 29, 2017
(Electronic) Receipt
Aug 29, 2017
(Electronic) Receipt
Aug 29, 2017
Letter accompanying subsequently filed items
Aug 29, 2017
Letter accompanying subsequently filed items
Aug 29, 2017
Request for interpreters during oral proceedings
Aug 29, 2017
Request for interpreters during oral proceedings
Aug 18, 2017
Brief communication - Opposition proceedings
Aug 18, 2017
Brief communication - Opposition proceedings
Mar 8, 2017
Brief communication - Opposition proceedings
Mar 6, 2017
(Electronic) Receipt
Mar 6, 2017
Amended claims with annotations
Mar 6, 2017
Amended claims with annotations
Mar 6, 2017
Amended claims with annotations
Mar 6, 2017
Amended claims with annotations
Mar 6, 2017
Claims
Mar 6, 2017
Claims
Mar 6, 2017
Claims
Mar 6, 2017
Claims
Mar 6, 2017
Letter accompanying subsequently filed items
Mar 6, 2017
Reply of the patent proprietor to the notice(s) of opposition
Oct 26, 2016
Communication of a notice of opposition and request to file observations
Oct 26, 2016
Notice of further oppositions to opponent(s)
Mar 17, 2016
Brief communication - Opposition proceedings
Mar 8, 2016
Communication of amended entries concerning the representative
Feb 29, 2016
Submission concerning change of applicant's representative
Jan 8, 2016
Brief communication - Opposition proceedings
Jan 6, 2016
(Electronic) Receipt
Jan 6, 2016
Letter accompanying subsequently filed items
Jan 6, 2016
Letter regarding the opposition procedure (no time limit)
Jan 5, 2016
Communication indicating deficiencies in the notice of opposition which may be remedied
Jan 5, 2016
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2015
(Electronic) Receipt
Dec 23, 2015
Notice of opposition
Dec 23, 2015
Notice of opposition
Dec 23, 2015
Patent document cited during the opposition procedure
Dec 23, 2015
Patent document cited during the opposition procedure
Dec 23, 2015
Patent document cited during the opposition procedure
Dec 23, 2015
Patent document cited during the opposition procedure
Dec 23, 2015
Translation of the evidence during Opposition procedure
Dec 23, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 26, 2015
Decision to grant a European patent
Oct 29, 2015
(Electronic) Receipt
Oct 29, 2015
Filing of the translations of the claims
Oct 29, 2015
French translation of claims
Oct 29, 2015
German translation of the claims
Jul 8, 2015
CDS Clean up - amended applicant details
Jul 6, 2015
Bibliographic data of the European patent application
Jul 6, 2015
Communication about intention to grant a European patent
Jul 6, 2015
Intention to grant (signatures)
Jul 6, 2015
Text intended for grant
Jul 15, 2013
Communication of amended entries concerning the representative
Jul 9, 2013
Submission concerning change of applicant's representative
Jun 11, 2013
(Electronic) Receipt
Jun 11, 2013
Claims
Jun 11, 2013
Letter accompanying subsequently filed items
Jun 11, 2013
Reply to communication from the Examining Division
Jun 4, 2013
Annex to the communication
Jun 4, 2013
Consultation by telephone/in person (with time limit)
Jun 4, 2013
Result of consultation by telephone/in person
Jun 24, 2011
Claims
Jun 24, 2011
Description
Jun 24, 2011
Letter accompanying subsequently filed items
Jun 24, 2011
Reply to communication from the Examining Division
Jun 20, 2011
Annex to the communication
Jun 20, 2011
Communication from the Examining Division
May 4, 2011
Response to enquiry for communication from the Examining Division
Apr 12, 2011
General enquiry
Apr 21, 2009
Claims
Apr 21, 2009
Description
Apr 21, 2009
Letter accompanying subsequently filed items
Apr 21, 2009
Reply to communication from the Examining Division
Mar 9, 2009
Annex to the communication
Mar 9, 2009
Communication from the Examining Division
Jan 14, 2009
Maintenance of the application
Dec 18, 2008
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 1, 2008
Communication regarding the transmission of the European search report
Dec 1, 2008
Supplementary European search report
Sep 5, 2008
Communication of amended entries concerning the representative
Aug 28, 2008
Submission concerning change of applicant's representative
Aug 15, 2008
General enquiry
Jul 9, 2007
Submission concerning representation
Mar 31, 2007
Letter concerning the inventor
Mar 6, 2007
Invitation to indicate correct address of inventor
Feb 5, 2007
Letter which had not been notified
Jan 31, 2007
Notification on forthcoming publication of bibliographic data
Jan 11, 2007
Communication regarding possible amendment of claims/payment of claims fees
Dec 20, 2006
General enquiry
Oct 24, 2006
Copy of the international preliminary examination report
Oct 5, 2006
Letter accompanying subsequently filed items
Oct 5, 2006
Matter concerning the application
Oct 5, 2006
Request for entry into the European phase
Sep 8, 2006
Information on entry into European phase
Apr 11, 2006
Notification of election of EPO
Nov 28, 2005
Priority document (electronically transmitted)
Nov 3, 2005
Copy of the international search report
Nov 3, 2005
International publication of the international search report
Nov 3, 2005
Published international application - A2

EP1755726

CORDIS

Application Number: EP05735515A
Filing Date: Apr 16, 2005
Status: Revoked; Sep 28, 2018
Publication Date: Dec 23, 2015
External Links: Slate, Register , Google Patents

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Dossier Documents

EP1755726