Band Stop Filter

Patent No. EP1756907 (titled "Band Stop Filter") was filed by Filtronic Comtek on Apr 29, 2005. The application was issued on Dec 17, 2014.

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
KATHREIN WERKE	Sep 16, 2015	FLACH BAUER & PARTNER PATENTANWALTE MBB

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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Dec 17, 2019
Termination of the opposition proceedings with revocation of patent
Sep 11, 2019
Advice of delivery
Sep 11, 2019
Advice of delivery
Sep 11, 2019
Advice of delivery
Sep 9, 2019
Advice of delivery
Sep 6, 2019
Acknowledgement of a document
Sep 6, 2019
Acknowledgement of a document
Sep 6, 2019
Decision revoking the European Patent (patent proprietor)
Sep 6, 2019
Decision revoking the European patent (opponent)
May 21, 2019
Communication concerning surcharge and failure to observe time limit
Jan 3, 2019
Communication to opponent concerning maintenance
Jan 3, 2019
Communication with request to file translations
Dec 19, 2018
Refund of fees
Dec 12, 2018
Maintenance of the patent with the documents specified in the final decision
Dec 7, 2018
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 7, 2018
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 7, 2018
Refund of fees
Nov 27, 2018
Composition of the board (T)
Nov 23, 2018
(Electronic) Receipt
Nov 23, 2018
(Electronic) Receipt
Nov 23, 2018
Letter accompanying subsequently filed items
Nov 23, 2018
Letter accompanying subsequently filed items
Nov 23, 2018
Withdrawal of an appeal
Nov 23, 2018
Withdrawal of an appeal
Oct 11, 2018
F3204 Communication of the file number to the parties
Oct 11, 2018
F3204 Communication of the file number to the parties
Oct 11, 2018
F3204 Communication of the file number to the parties
Oct 11, 2018
F3204 Communication of the file number to the parties
Sep 27, 2018
Processing of an appeal
Sep 26, 2018
(Electronic) Receipt
Sep 26, 2018
(Electronic) Receipt
Sep 26, 2018
Annexes in respect of a client data request
Sep 26, 2018
Letter accompanying subsequently filed items
Sep 26, 2018
Letter accompanying subsequently filed items
Sep 26, 2018
Notice of appeal
Sep 26, 2018
Notice of appeal
Jul 23, 2018
Advice of delivery
Jul 19, 2018
Advice of delivery
Jul 19, 2018
Advice of delivery
Jul 18, 2018
Advice of delivery
Jul 16, 2018
Acknowledgement of a document
Jul 16, 2018
Acknowledgement of a document
Jul 16, 2018
Annex to the communication - opposition
Jul 16, 2018
Decision of the Opposition Division and instruction
Jul 16, 2018
Druckexemplar in opposition procedure
Jul 16, 2018
Grounds for the decision (Annex) - opposition
Jul 16, 2018
Interlocutory decision in opposition proceedings
Jul 16, 2018
Internal form - Opposition/addressees
Jul 16, 2018
Internal form - Opposition/addressees
Jul 16, 2018
Internal form - Opposition/addressees
Jul 16, 2018
Means of redress
Jul 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 16, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 16, 2018
Minutes of the taking of evidence
Jul 16, 2018
Minutes of the taking of evidence
Jul 16, 2018
Provision of a copy of the minutes - opposition procedure
Jul 16, 2018
Provision of a copy of the minutes - opposition procedure
Jul 16, 2018
Scanned annex to a communication - opposition procedure
Jul 16, 2018
Scanned annex to a communication - opposition procedure
Jul 6, 2018
Brief communication - Opposition proceedings
Jul 6, 2018
Communication of amended entries
Jul 6, 2018
Communication of amended entries
Jul 3, 2018
Request for change of opponent's representative
Apr 17, 2018
Information about the result of oral proceedings
Apr 16, 2018
Brief communication - Opposition proceedings
Apr 16, 2018
Brief communication - Opposition proceedings
Apr 10, 2018
(Electronic) Receipt
Apr 10, 2018
Letter accompanying subsequently filed items
Apr 10, 2018
Written submission in preparation to/during oral proceedings
Feb 28, 2018
Brief communication - Opposition proceedings
Feb 26, 2018
Request for interpreters during oral proceedings
Feb 22, 2018
Brief communication - Opposition proceedings
Feb 22, 2018
Request for interpreters during oral proceedings
Feb 16, 2018
(Electronic) Receipt
Feb 16, 2018
Amended claims with annotations
Feb 16, 2018
Auxiliary request during Opposition procedure
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
Letter accompanying subsequently filed items
Feb 16, 2018
Non-patent literature cited during the opposition procedure
Feb 16, 2018
Written submission in preparation to/during oral proceedings
Feb 12, 2018
(Electronic) Receipt
Feb 12, 2018
Letter accompanying subsequently filed items
Feb 12, 2018
Request for interpreters during oral proceedings
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 22, 2017
(Electronic) Receipt
Nov 22, 2017
Any annexes (other than citation) to an opposition letter
Nov 22, 2017
Letter accompanying subsequently filed items
Nov 22, 2017
Written submission in preparation to/during oral proceedings
Nov 21, 2017
Advice of delivery
Nov 14, 2017
Advice of delivery
Nov 9, 2017
Advice of delivery
Nov 7, 2017
Advice of delivery
Nov 7, 2017
Advice of delivery
Nov 6, 2017
Advice of delivery
Nov 6, 2017
Advice of delivery
Nov 6, 2017
Advice of delivery
Nov 2, 2017
Acknowledgement of a document
Nov 2, 2017
Acknowledgement of a document
Nov 2, 2017
Acknowledgement of a document
Nov 2, 2017
Annex to the communication - opposition
Nov 2, 2017
Brief communication - Opposition proceedings
Nov 2, 2017
Brief communication - Opposition proceedings
Nov 2, 2017
Decision on the taking of evidence
Nov 2, 2017
Summons to give evidence
Oct 24, 2017
Advice of delivery
Oct 23, 2017
Advice of delivery
Oct 20, 2017
Advice of delivery
Oct 20, 2017
Advice of delivery
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Brief communication - Opposition proceedings
Oct 17, 2017
Brief communication - Opposition proceedings
Oct 17, 2017
Decision on the taking of evidence
Oct 17, 2017
Summons to give evidence
Oct 4, 2017
Brief communication - Opposition proceedings
Sep 28, 2017
(Electronic) Receipt
Sep 28, 2017
Any annexes (other than citation) to an opposition letter
Sep 28, 2017
Letter accompanying subsequently filed items
Sep 28, 2017
Written submission in preparation to/during oral proceedings
Sep 25, 2017
Brief communication - Opposition proceedings
Sep 14, 2017
(Electronic) Receipt
Sep 14, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Written submission in preparation to/during oral proceedings
Sep 8, 2017
Result of consultation by telephone/in person
Sep 5, 2017
Advice of delivery
Sep 5, 2017
Advice of delivery
Aug 31, 2017
Letter which had not been notified
Aug 23, 2017
Advice of delivery
Aug 22, 2017
Advice of delivery
Aug 22, 2017
Advice of delivery
Aug 22, 2017
Advice of delivery
Aug 21, 2017
Advice of delivery
Aug 21, 2017
Advice of delivery
Aug 21, 2017
Advice of delivery
Aug 17, 2017
Acknowledgement of a document
Aug 17, 2017
Acknowledgement of a document
Aug 17, 2017
Acknowledgement of a document
Aug 17, 2017
Acknowledgement of a document
Aug 17, 2017
Acknowledgement of a document
Aug 17, 2017
Annex to the communication - opposition
Aug 17, 2017
Decision on the taking of evidence
Aug 17, 2017
Information concerning oral proceedings
Aug 17, 2017
Preparation for oral proceedings
Aug 17, 2017
Summons to attend oral proceedings
Aug 17, 2017
Summons to attend oral proceedings
Aug 17, 2017
Summons to give evidence
Jul 31, 2017
Brief communication - Opposition proceedings
Jul 20, 2017
(Electronic) Receipt
Jul 20, 2017
Letter accompanying subsequently filed items
Jul 20, 2017
Reply from the opponent to submission of proprietor
May 30, 2017
Brief communication - Opposition proceedings
May 29, 2017
CDS Clean up - amended data concerning the representative for the applicant
May 18, 2017
(Electronic) Receipt
May 18, 2017
Letter accompanying subsequently filed items
May 18, 2017
Reply from the opponent to submission of proprietor
May 11, 2017
Submission concerning representation
Feb 17, 2017
Brief communication - Opposition proceedings
Feb 9, 2017
(Electronic) Receipt
Feb 9, 2017
Letter accompanying subsequently filed items
Feb 9, 2017
Letter regarding the opposition procedure (no time limit)
Jan 12, 2017
Brief communication - Opposition proceedings
Dec 21, 2016
(Electronic) Receipt
Dec 21, 2016
Any annexes (other than citation) to an opposition letter
Dec 21, 2016
Any annexes (other than citation) to an opposition letter
Dec 21, 2016
Any annexes (other than citation) to an opposition letter
Dec 21, 2016
Letter accompanying subsequently filed items
Dec 21, 2016
Non-patent literature cited during the opposition procedure
Dec 21, 2016
Reply to an examination report in opposition proceedings
Aug 17, 2016
Annex to the communication - opposition
Aug 17, 2016
Communication inviting the parties to file observations
Aug 17, 2016
Communication inviting the parties to file observations
Aug 17, 2016
Internal form - Opposition/addressees
Mar 9, 2016
Brief communication - Opposition proceedings
Mar 1, 2016
Reply of the patent proprietor to the notice(s) of opposition
Oct 28, 2015
Communication of a notice of opposition and request to file observations
Oct 28, 2015
Notice of further oppositions to opponent(s)
Sep 28, 2015
Communication of a notice of opposition - first information to patent proprietor
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Citation in opposition procedure
Sep 16, 2015
Non-patent literature cited during the opposition procedure
Sep 16, 2015
Non-patent literature cited during the opposition procedure
Sep 16, 2015
Non-patent literature cited during the opposition procedure
Sep 16, 2015
Non-patent literature cited during the opposition procedure
Sep 16, 2015
Non-patent literature cited during the opposition procedure
Sep 16, 2015
Non-scannable object
Sep 16, 2015
Notice of opposition
Sep 16, 2015
Notice of opposition
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Patent document cited during the opposition procedure
Sep 16, 2015
Payment of fees and costs
Sep 4, 2015
Communication of the registration of a transfer or change of name and/or address
Aug 10, 2015
Submission concerning a transfer of rights (applicant)
Feb 4, 2015
Payment of fees and costs
Jan 9, 2015
Communication of amended entries concerning the representative
Jan 5, 2015
(Electronic) Receipt
Jan 5, 2015
Letter accompanying subsequently filed items
Jan 5, 2015
Submission concerning change of applicant's representative
Dec 31, 2014
Submission concerning change of applicant's representative
Dec 17, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 20, 2014
Decision to grant a European patent
Nov 7, 2014
(Electronic) Receipt
Nov 7, 2014
Filing of the translations of the claims
Nov 7, 2014
French translation of claims
Nov 7, 2014
German translation of the claims
Nov 7, 2014
Letter accompanying subsequently filed items
Jul 8, 2014
Bibliographic data of the European patent application
Jul 8, 2014
Communication about intention to grant a European patent
Jul 8, 2014
Intention to grant (signatures)
Jul 8, 2014
Text intended for grant (clean copy)
Jul 8, 2014
Text intended for grant (version for approval)
Jun 4, 2014
Notice drawing attention to the payment of the renewal fee and additional fee
May 16, 2014
(Electronic) Receipt
May 16, 2014
Amended claims with annotations
May 16, 2014
Claims
May 16, 2014
Letter accompanying subsequently filed items
May 16, 2014
Reply to communication from the Examining Division
Jan 15, 2014
Communication of amended entries concerning the representative
Jan 8, 2014
Annex to the communication
Jan 8, 2014
Communication from the Examining Division
Dec 23, 2013
Submission concerning change of applicant's representative
Dec 20, 2013
Examination started
May 3, 2013
CDS Clean up - amended data concerning the representative for the applicant
Jan 12, 2012
Communication of amended entries concerning the representative
Jan 4, 2012
Submission concerning change of applicant's representative
May 11, 2009
Refund of fees
Mar 12, 2009
(Electronic) Receipt
Mar 12, 2009
Amendments received before examination
Mar 12, 2009
Claims
Mar 12, 2009
Letter accompanying subsequently filed items
Jan 5, 2009
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 17, 2008
Communication regarding the transmission of the European search report
Dec 17, 2008
Communication regarding the transmission of the European search report
Dec 17, 2008
Supplementary European search report
Sep 18, 2008
Communication of amended entries concerning the representative
Sep 10, 2008
Submission concerning change of applicant's address
Jun 4, 2007
Notice drawing attention to the payment of the renewal fee and additional fee
Jan 31, 2007
Notification on forthcoming publication of bibliographic data
Dec 19, 2006
Communication regarding possible amendment of claims/payment of claims fees
Nov 27, 2006
Copy of the international preliminary report on patentability
Nov 9, 2006
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 9, 2006
Request for entry into the European phase
Nov 9, 2006
Translation of priority document
Sep 22, 2006
Information on entry into European phase
Dec 7, 2005
Priority document (electronically transmitted)
Nov 17, 2005
Copy of the international search report
Nov 17, 2005
Published international application - A1

EP1756907

FILTRONIC COMTEK

Application Number: EP05738049A
Filing Date: Apr 29, 2005
Status: Revoked; Dec 20, 2019
Publication Date: Dec 17, 2014
External Links: Slate, Register , Google Patents

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Dossier Documents

EP1756907