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Increased Separation Efficiency Via Controlled Aggregation Of Magnetic Nanoparticles

Patent No. EP1311820 (titled "Increased Separation Efficiency Via Controlled Aggregation Of Magnetic Nanoparticles") was filed by Immunivest on Jul 14, 2000. The application was issued on Feb 11, 2015.

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Patent Oppositions

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
ADAMS	Nov 11, 2015	MILLER

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 5, 2021
(Electronic) Receipt
Jul 5, 2021
Acknowledgement of a document
Jul 5, 2021
Letter accompanying subsequently filed items
Jul 5, 2021
Refund of fees
Jul 5, 2021
Termination of the opposition proceedings with revocation of patent
Jun 29, 2021
Advice of delivery
Jun 29, 2021
Decision of the Board of Appeal
Jun 29, 2021
F3032 Notification(s) of the decision
Jun 29, 2021
F3032 Notification(s) of the decision
May 31, 2021
F3013 Oral Proceedings: Forwarding minutes
May 31, 2021
F3013 Oral Proceedings: Forwarding minutes
May 26, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 25, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 25, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 24, 2021
(Electronic) Receipt
May 24, 2021
F3345 Forwarding of submissions to parties
May 24, 2021
Letter accompanying subsequently filed items
May 24, 2021
Withdrawal of an appeal
May 21, 2021
F3345 Forwarding of submissions to parties
May 20, 2021
(Electronic) Receipt
May 20, 2021
Letter accompanying subsequently filed items
May 20, 2021
Letter dealing with oral proceedings during the appeal procedure
May 11, 2021
(Electronic) Receipt
May 11, 2021
Letter accompanying subsequently filed items
May 6, 2021
(Electronic) Receipt
May 6, 2021
Acknowledgement of a document
May 6, 2021
Letter accompanying subsequently filed items
May 4, 2021
Advice of delivery
Apr 28, 2021
Oral proceedings: change of venue
Apr 28, 2021
Oral proceedings: change of venue
Apr 27, 2021
F3345 Forwarding of submissions to parties
Apr 27, 2021
F3345 Forwarding of submissions to parties
Apr 23, 2021
(Electronic) Receipt
Apr 23, 2021
(Electronic) Receipt
Apr 23, 2021
Letter accompanying subsequently filed items
Apr 23, 2021
Letter accompanying subsequently filed items
Apr 23, 2021
Letter dealing with oral proceedings during the appeal procedure
Apr 23, 2021
Letter dealing with oral proceedings during the appeal procedure
Apr 23, 2021
Withdrawal of an appeal
Apr 20, 2021
F3345 Forwarding of submissions to parties
Apr 15, 2021
(Electronic) Receipt
Apr 15, 2021
Letter accompanying subsequently filed items
Apr 15, 2021
Letter dealing with oral proceedings during the appeal procedure
Jul 7, 2020
(Electronic) Receipt
Jul 7, 2020
Advice of delivery
Jul 7, 2020
Letter accompanying subsequently filed items
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Advice of delivery
Jul 1, 2020
Letter accompanying subsequently filed items
Jun 26, 2020
F3011.1 Oral Proceedings: summons
Jun 26, 2020
F3011.1 Oral Proceedings: summons
Jun 26, 2020
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 23, 2020
F3010 Oral proceedings: order for summons
May 28, 2020
F3303.16 Change of composition of the Board (T)
Mar 19, 2020
Document concerning representation
Jan 29, 2020
F3345 Forwarding of submissions to parties
Dec 30, 2019
(Electronic) Receipt
Dec 30, 2019
Letter accompanying subsequently filed items
Dec 30, 2019
Letter relating to Appeal Procedure
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 14, 2018
Submission concerning change of applicant's representative
Dec 13, 2018
Submission concerning change of applicant's representative
Dec 4, 2017
F3345 Forwarding of submissions to parties
Nov 29, 2017
Composition of the board (T)
Nov 8, 2017
F3345 Forwarding of submissions to parties
Nov 2, 2017
(Electronic) Receipt
Nov 2, 2017
(Electronic) Receipt
Nov 2, 2017
Annexes (other than cited documents) regarding appeal 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
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
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Letter accompanying subsequently filed items
Nov 2, 2017
Reply to appeal
Nov 2, 2017
Reply to appeal
Nov 2, 2017
Reply to appeal
Nov 2, 2017
Reply to appeal
Jun 22, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 22, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 16, 2017
(Electronic) Receipt
Jun 16, 2017
(Electronic) Receipt
Jun 16, 2017
Any annexes (other than citation) to an opposition letter
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Claims
Jun 16, 2017
Letter accompanying subsequently filed items
Jun 16, 2017
Statement of grounds of appeal
Jun 16, 2017
Statement of grounds of appeal
Jun 16, 2017
Written submission in preparation to/during oral proceedings
Apr 25, 2017
F3204 Communication of the file number to the parties
Apr 25, 2017
F3204 Communication of the file number to the parties
Apr 25, 2017
F3204 Communication of the file number to the parties
Apr 25, 2017
F3204 Communication of the file number to the parties
Apr 18, 2017
(Electronic) Receipt
Apr 18, 2017
Letter accompanying subsequently filed items
Apr 18, 2017
Notice of appeal
Apr 12, 2017
(Electronic) Receipt
Apr 12, 2017
Letter accompanying subsequently filed items
Apr 12, 2017
Notice of appeal
Apr 12, 2017
Processing of an appeal
Feb 16, 2017
Advice of delivery
Feb 14, 2017
(Electronic) Receipt
Feb 14, 2017
Advice of delivery
Feb 14, 2017
Advice of delivery
Feb 14, 2017
Letter accompanying subsequently filed items
Feb 6, 2017
Acknowledgement of a document
Feb 6, 2017
Acknowledgement of a document
Feb 6, 2017
Annex to the communication - opposition
Feb 6, 2017
Decision of the Opposition Division and instruction
Feb 6, 2017
Grounds for the decision (Annex) - opposition
Feb 6, 2017
Interlocutory decision in opposition proceedings
Feb 6, 2017
Internal form - Opposition/addressees
Feb 6, 2017
Internal form - Opposition/addressees
Feb 6, 2017
Means of redress
Feb 6, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 6, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 6, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 6, 2017
OPPODREX with handwritten amendments
Feb 6, 2017
Provision of a copy of the minutes - opposition procedure
Feb 6, 2017
Scanned annex to a communication - opposition procedure
Feb 6, 2017
Scanned annex to a communication - opposition procedure
Jan 13, 2017
Information about the result of oral proceedings
Nov 11, 2016
(Electronic) Receipt
Nov 11, 2016
(Electronic) Receipt
Nov 11, 2016
Citation in opposition procedure
Nov 11, 2016
Citation in opposition procedure
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Claims
Nov 11, 2016
Letter accompanying subsequently filed items
Nov 11, 2016
Letter regarding the opposition procedure (no time limit)
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Non-patent literature cited during the opposition procedure
Nov 11, 2016
Request for interpreters during oral proceedings
Nov 11, 2016
Request for interpreters during oral proceedings
Aug 2, 2016
Advice of delivery
Jul 30, 2016
Advice of delivery
Jul 28, 2016
(Electronic) Receipt
Jul 28, 2016
Advice of delivery
Jul 28, 2016
Letter accompanying subsequently filed items
Jul 20, 2016
Acknowledgement of a document
Jul 20, 2016
Acknowledgement of a document
Jul 20, 2016
Annex to the communication - opposition
Jul 20, 2016
Information concerning oral proceedings
Jul 20, 2016
Preparation for oral proceedings
Jul 20, 2016
Summons to attend oral proceedings
Jul 20, 2016
Summons to attend oral proceedings
Apr 27, 2016
(Electronic) Receipt
Apr 27, 2016
Auxiliary request during Opposition procedure
Apr 27, 2016
Letter accompanying subsequently filed items
Apr 27, 2016
Reply of the patent proprietor to the notice(s) of opposition
Dec 17, 2015
Communication of a notice of opposition and request to file observations
Dec 17, 2015
Notice of further oppositions to opponent(s)
Nov 17, 2015
Communication of a notice of opposition - first information to patent proprietor
Nov 11, 2015
(Electronic) Receipt
Nov 11, 2015
Letter regarding the opposition procedure (no time limit)
Nov 11, 2015
Non-patent literature cited during the opposition procedure
Nov 11, 2015
Non-patent literature cited during the opposition procedure
Nov 11, 2015
Non-patent literature cited during the opposition procedure
Nov 11, 2015
Notice of opposition
Nov 11, 2015
Notice of opposition
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Patent document cited during the opposition procedure
Nov 11, 2015
Submission concerning representation
May 11, 2015
Submission concerning representation
May 8, 2015
Submission concerning representation
Feb 11, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 15, 2015
Decision to grant a European patent
Dec 22, 2014
Communication of the registration of a transfer or change of name and/or address
Dec 8, 2014
(Electronic) Receipt
Dec 8, 2014
Annexes in respect of a client data request
Dec 8, 2014
Letter accompanying subsequently filed items
Dec 8, 2014
Submission concerning a transfer of rights (applicant)
Nov 12, 2014
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Nov 6, 2014
(Electronic) Receipt
Nov 6, 2014
Filing of the translations of the claims
Nov 6, 2014
French translation of claims
Nov 6, 2014
German translation of the claims
Nov 6, 2014
Letter accompanying subsequently filed items
Oct 9, 2014
(Electronic) Receipt
Oct 9, 2014
Annexes in respect of a client data request
Oct 9, 2014
Letter accompanying subsequently filed items
Oct 9, 2014
Submission concerning change of applicant's name
Jul 2, 2014
Bibliographic data of the European patent application
Jul 2, 2014
Communication about intention to grant a European patent
Jul 2, 2014
Intention to grant (signatures)
Jul 2, 2014
Text intended for grant
Mar 12, 2012
(Electronic) Receipt
Mar 12, 2012
Amended claims with annotations
Mar 12, 2012
Amended description with annotations
Mar 12, 2012
Claims
Mar 12, 2012
Letter accompanying subsequently filed items
Mar 12, 2012
Reply to communication from the Examining Division
Nov 2, 2011
Annex to the communication
Nov 2, 2011
Communication from the Examining Division
Aug 4, 2009
Decision to allow further processing
Jul 23, 2009
Claims
Jul 23, 2009
Request for further processing
Jul 20, 2009
Claims
Jul 20, 2009
Request for further processing
May 15, 2009
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Feb 16, 2009
Grant of extension of time limit (examination procedure)
Feb 12, 2009
Request for extension of time limit to communication from the Examining Division
Feb 10, 2009
Request for extension of time limit to communication from the Examining Division
Nov 28, 2008
Submission concerning representation
Oct 2, 2008
Annex to the communication
Oct 2, 2008
Communication from the Examining Division
Sep 3, 2008
Notice drawing attention to the payment of the renewal fee and additional fee
Jul 6, 2004
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jun 30, 2004
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
May 17, 2004
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 7, 2004
Annex to European Search report
May 7, 2004
Communication regarding the transmission of the European search report
May 7, 2004
European search report
Mar 11, 2004
Submission concerning representation
Apr 9, 2003
Notification on forthcoming publication of bibliographic data
Mar 17, 2003
Copy of the international preliminary examination report
Mar 6, 2003
Communication regarding possible amendment of claims/payment of claims fees
Feb 26, 2003
Communication to designated inventor
Feb 26, 2003
Communication to designated inventor
Feb 26, 2003
Communication to designated inventor
Feb 3, 2003
Enquiry with the International Bureau
Jan 28, 2003
Request for entry into the European phase
Nov 29, 2002
Information on entry into European phase
Jan 24, 2002
Copy of the international search report
Jan 24, 2002
Published international application - A1

EP1311820

IMMUNIVEST

Application Number: EP00950339A
Filing Date: Jul 14, 2000
Status: Revoked; Jul 6, 2021
Publication Date: Feb 11, 2015
External Links: Slate, Register , Google Patents