Ultrafine Particles Having Inorganically Modified Surfaces

Patent No. EP2057235 (titled "Ultrafine Particles Having Inorganically Modified Surfaces") was filed by Huntsman P&A Germany on Aug 27, 2007. The application was issued on May 2, 2018.

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
KRONOS	Jan 30, 2019	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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Sep 11, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 11, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 8, 2020
Termination of the opposition proceedings with revocation of patent
Jun 10, 2020
Advice of delivery
Jun 3, 2020
Advice of delivery
May 28, 2020
Acknowledgement of a document
May 28, 2020
Acknowledgement of a document
May 28, 2020
Decision of the Opposition Division and instruction
May 28, 2020
Decision revoking the European patent
May 28, 2020
Grounds for the decision (Annex) - opposition
May 28, 2020
Internal form - Opposition/addressees
May 28, 2020
Means of redress
May 28, 2020
Notification concerning the date of oral proceedings
May 28, 2020
Notification concerning the date of oral proceedings
Feb 10, 2020
Brief communication - Opposition proceedings
Feb 4, 2020
(Electronic) Receipt
Feb 4, 2020
Letter accompanying subsequently filed items
Feb 4, 2020
Written submission in preparation to/during oral proceedings
Jan 31, 2020
Brief communication - Opposition proceedings
Jan 27, 2020
Written submission in preparation to/during oral proceedings
Jan 14, 2020
Advice of delivery
Jan 13, 2020
Advice of delivery
Jan 8, 2020
Acknowledgement of a document
Jan 8, 2020
Acknowledgement of a document
Jan 8, 2020
Annex to the communication - opposition
Jan 8, 2020
Information concerning oral proceedings
Jan 8, 2020
Summons to attend oral proceedings
Jan 8, 2020
Summons to attend oral proceedings
Feb 22, 2019
Communication of a notice of opposition and request to file observations
Feb 22, 2019
Notice of further oppositions to opponent(s)
Feb 5, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 30, 2019
(Electronic) Receipt
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Notice of opposition
Jan 30, 2019
Notice of opposition
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jun 11, 2018
Communication of the registration of a transfer or change of name and/or address
May 16, 2018
(Electronic) Receipt
May 16, 2018
Annexes in respect of a client data request
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Submission concerning change of applicant's name
May 14, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 2, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 23, 2018
(Electronic) Receipt
Apr 23, 2018
Annexes in respect of a client data request
Apr 23, 2018
Letter accompanying subsequently filed items
Apr 23, 2018
Submission concerning change of applicant's name
Apr 6, 2018
Decision to grant a European patent
Mar 23, 2018
Bibliographic data of the European patent application
Mar 23, 2018
Information about intention to grant a patent
Mar 23, 2018
Intention to grant (signatures)
Mar 23, 2018
Text intended for grant (clean copy)
Mar 23, 2018
Text intended for grant (version for approval)
Feb 19, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Feb 15, 2018
(Electronic) Receipt
Feb 15, 2018
Amended claims with annotations
Feb 15, 2018
Amended description with annotations
Feb 15, 2018
Claims
Feb 15, 2018
Description
Feb 15, 2018
English translation of the claims
Feb 15, 2018
French translation of claims
Feb 15, 2018
Letter accompanying subsequently filed items
Feb 15, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Feb 15, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 11, 2017
Bibliographic data of the European patent application
Oct 11, 2017
Communication about intention to grant a European patent
Oct 11, 2017
Intention to grant (signatures)
Oct 11, 2017
Text intended for grant (clean copy)
Oct 11, 2017
Text intended for grant (version for approval)
May 29, 2017
(Electronic) Receipt
May 29, 2017
Amended claims with annotations
May 29, 2017
Amended description with annotations
May 29, 2017
Claims
May 29, 2017
Description
May 29, 2017
Letter accompanying subsequently filed items
May 29, 2017
Reply to communication from the Examining Division
Apr 10, 2017
Annex to the communication
Apr 10, 2017
Communication from the Examining Division
Dec 28, 2016
(Electronic) Receipt
Dec 28, 2016
Amended claims with annotations
Dec 28, 2016
Amended description with annotations
Dec 28, 2016
Claims
Dec 28, 2016
Description
Dec 28, 2016
Letter accompanying subsequently filed items
Dec 28, 2016
Reply to communication from the Examining Division
Sep 13, 2016
Annex to the communication
Sep 13, 2016
Communication from the Examining Division
Feb 10, 2016
Submission concerning representation
Feb 8, 2016
Submission concerning representation
Feb 5, 2015
Communication of amended entries concerning the representative
Feb 5, 2015
Submission concerning change of applicant's representative
Feb 3, 2015
Submission concerning change of applicant's representative
Feb 2, 2015
Submission concerning change of applicant's representative
Jan 29, 2015
Submission concerning change of applicant's representative
Nov 4, 2014
Communication to designated inventor
Oct 30, 2014
Letter concerning the inventor
Oct 29, 2014
Letter concerning the inventor
Oct 15, 2012
Confirmation of revocation of automatic debit order
Oct 10, 2012
Letter relating to the automatic debiting procedure
Mar 13, 2012
Decision to allow further processing
Feb 29, 2012
Claims
Feb 29, 2012
Reply to communication from the Examining Division
Feb 28, 2012
Reply to communication from the Examining Division
Jan 3, 2012
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Sep 26, 2011
Grant of extension of time limit (examination procedure)
Sep 22, 2011
Request for extension of time limit to communication from the Examining Division
Sep 21, 2011
Request for extension of time limit to communication from the Examining Division
May 17, 2011
Annex to the communication
May 17, 2011
Communication from the Examining Division
Nov 4, 2009
Confirmation of revocation of automatic debit order
Oct 29, 2009
CDS Clean up - amended data concerning the representative for the applicant
Oct 28, 2009
Letter relating to the automatic debiting procedure
May 7, 2009
Invitation to indicate correct address of inventor
Apr 24, 2009
Letter which had not been notified
Apr 16, 2009
Notification on forthcoming publication of bibliographic data
Apr 15, 2009
Communication regarding possible amendment of claims/payment of claims fees
Mar 20, 2009
Request for entry into the European phase
Mar 18, 2009
Letter accompanying subsequently filed items
Mar 18, 2009
Request for entry into the European phase
Mar 16, 2009
Copy of the international preliminary report on patentability
Jan 7, 2009
Information on entry into European phase
Mar 18, 2008
Priority document (electronically transmitted)
Feb 28, 2008
Copy of the international search report
Feb 28, 2008
Copy of the international search report
Feb 28, 2008
Published international application - A1
Aug 27, 2007
Abstract
Aug 27, 2007
Claims
Aug 27, 2007
Description
Aug 27, 2007
Submission concerning representation

EP2057235

HUNTSMAN P&A GERMANY

Application Number: EP07802929A
Filing Date: Aug 27, 2007
Status: Revoked; Sep 11, 2020
Publication Date: May 2, 2018
External Links: Slate, Register , Google Patents

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Ultrafine Particles Having Inorganically Modified Surfaces

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Dossier Documents

EP2057235