Downlink Data Optimization For Packet Switched Handover

Patent No. EP1842386 (titled "Downlink Data Optimization For Packet Switched Handover") was filed by Nokia on Dec 8, 2005. The application was issued on Feb 11, 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
ZTE	May 14, 2015	CORDINA

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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Nov 9, 2016
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Nov 4, 2016
Termination of the opposition proceedings with maintenance of patent
Aug 3, 2016
Advice of delivery
Jul 26, 2016
Acknowledgement of a document
Jul 26, 2016
Decision to discontinue the opposition proceedings
Jun 14, 2016
(Electronic) Receipt
Jun 14, 2016
Auxiliary request during Opposition procedure
Jun 14, 2016
Auxiliary request during Opposition procedure
Jun 14, 2016
Letter accompanying subsequently filed items
Jun 14, 2016
Reply of the patent proprietor to the notice(s) of opposition
Apr 18, 2016
Grant of extension of time limit (opposition procedure)
Apr 12, 2016
(Electronic) Receipt
Apr 12, 2016
Letter accompanying subsequently filed items
Apr 12, 2016
Request for extension of time limit
Jan 8, 2016
Brief communication - Opposition proceedings
Jan 8, 2016
Brief communication - Opposition proceedings
Dec 21, 2015
(Electronic) Receipt
Dec 21, 2015
Letter accompanying subsequently filed items
Dec 21, 2015
Withdrawal of an opposition
Dec 18, 2015
Communication of a notice of opposition and request to file observations
Dec 18, 2015
Notice of further oppositions to opponent(s)
May 28, 2015
Communication of a notice of opposition - first information to patent proprietor
May 18, 2015
(Electronic) Receipt
May 18, 2015
Letter regarding the opposition procedure (no time limit)
May 18, 2015
Letter regarding the opposition procedure (no time limit)
May 18, 2015
Letter regarding the opposition procedure (no time limit)
May 14, 2015
(Electronic) Receipt
May 14, 2015
Non-patent literature cited during the opposition procedure
May 14, 2015
Non-patent literature cited during the opposition procedure
May 14, 2015
Notice of opposition
May 14, 2015
Notice of opposition
May 14, 2015
Patent document cited during the opposition procedure
May 14, 2015
Patent document cited during the opposition procedure
May 14, 2015
Patent document cited during the opposition procedure
Feb 11, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 4, 2015
Refund of fees
Jan 28, 2015
Refund of fees
Jan 15, 2015
Decision to grant a European patent
Dec 22, 2014
(Electronic) Receipt
Dec 22, 2014
Letter accompanying subsequently filed items
Dec 22, 2014
Letter concerning fees and payments
Nov 5, 2014
Communication regarding the forthcoming grant
Oct 27, 2014
Filing of the translations of the claims
Oct 27, 2014
French translation of claims
Oct 27, 2014
German translation of the claims
Jul 7, 2014
Bibliographic data of the European patent application
Jul 7, 2014
Communication about intention to grant a European patent
Jul 7, 2014
Intention to grant (signatures)
Jul 7, 2014
Text intended for grant (clean copy)
Jul 7, 2014
Text intended for grant (version for approval)
Nov 29, 2013
Communication of amended entries concerning the representative
Nov 1, 2013
Annexes in respect of a client data request
Nov 1, 2013
Submission concerning change of applicant's representative
Feb 15, 2013
Payment of fees and costs
Feb 13, 2013
Letter accompanying subsequently filed items
Feb 13, 2013
Payment of fees and costs
Feb 13, 2013
Payment of fees and costs
Feb 4, 2013
Notice drawing attention to the payment of the renewal fee and additional fee
Dec 18, 2012
Communication of the registration of a transfer or change of name and/or address
Dec 17, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
Dec 11, 2012
Communication of amended entries concerning the representative
Dec 11, 2012
Communication of the registration of a transfer or change of name and/or address
Dec 4, 2012
Submission concerning a transfer of rights (applicant)
Oct 19, 2012
Communication confirming withdrawal from representation
Oct 19, 2012
Communication of amended entries concerning the representative
Sep 12, 2012
(Electronic) Receipt
Sep 12, 2012
Letter accompanying subsequently filed items
Sep 12, 2012
Submission concerning change of applicant's representative
Jun 22, 2012
(Electronic) Receipt
Jun 22, 2012
Amended claims with annotations
Jun 22, 2012
Claims
Jun 22, 2012
Description
Jun 22, 2012
Letter accompanying subsequently filed items
Jun 22, 2012
Reply to communication from the Examining Division
Feb 16, 2012
Annex to the communication
Feb 16, 2012
Communication from the Examining Division
Jan 19, 2012
CDS Clean up - amended data concerning the representative for the applicant
Dec 14, 2011
Response to enquiry for communication from the Examining Division
Nov 7, 2011
(Electronic) Receipt
Nov 7, 2011
Amended claims filed after receipt of (European) search report
Nov 7, 2011
Amended claims with annotations
Nov 7, 2011
Amendments received before examination
Nov 7, 2011
Cover sheet for fax transmission
Nov 7, 2011
Letter accompanying subsequently filed items
Nov 7, 2011
Maintenance of the application
Apr 26, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 8, 2011
Communication regarding the transmission of the European search report
Apr 8, 2011
European search opinion
Apr 8, 2011
Supplementary European search report
Oct 10, 2007
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 10, 2007
Amended claims filed after receipt of (European) search report
Oct 10, 2007
Amended claims filed after receipt of (European) search report
Oct 10, 2007
Amendments received before examination
Oct 10, 2007
Letter accompanying subsequently filed items
Sep 12, 2007
Notification on forthcoming publication of bibliographic data
Sep 4, 2007
Communication regarding possible amendment of claims/payment of claims fees
Aug 14, 2007
Copy of the international preliminary report on patentability
Jul 31, 2007
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 31, 2007
Request for entry into the European phase
Jun 11, 2007
Information on entry into European phase
Aug 23, 2006
Priority document (electronically transmitted)
Aug 23, 2006
Priority document (electronically transmitted)
Aug 3, 2006
Copy of the international search report
Aug 3, 2006
Published international application - A1

EP1842386

NOKIA

Application Number: EP05824117A
Filing Date: Dec 8, 2005
Status: Opposition Procedure Closed
Publication Date: Feb 11, 2015
External Links: Slate, Register , Google Patents

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Downlink Data Optimization For Packet Switched Handover

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Dossier Documents

EP1842386