Hydrophilic Silica As Filler For Silicone Rubber Formulations

Patent No. EP2448865 (titled "Hydrophilic Silica As Filler For Silicone Rubber Formulations") was filed by Evonik Degussa on Jul 3, 2009. The application was issued on Sep 21, 2016.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
RHODIA OPERATIONS	Jun 21, 2017	FERRI

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

Mar 11, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 11, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 6, 2019
Termination of the opposition proceedings with maintenance of patent
Jan 4, 2019
Advice of delivery
Dec 14, 2018
Advice of delivery
Nov 29, 2018
(Electronic) Receipt
Nov 29, 2018
Advice of delivery
Nov 29, 2018
Letter accompanying subsequently filed items
Nov 22, 2018
Advice of delivery
Nov 19, 2018
Acknowledgement of a document
Nov 19, 2018
Acknowledgement of a document
Nov 19, 2018
Annex to the communication - opposition
Nov 19, 2018
Decision of the Opposition Division and instruction
Nov 19, 2018
Decision rejecting the opposition
Nov 19, 2018
Grounds for the decision (Annex) - opposition
Nov 19, 2018
Internal form - Opposition/addressees
Nov 19, 2018
Internal form - Opposition/addressees
Nov 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 19, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 19, 2018
Provision of a copy of the minutes - opposition procedure
Nov 19, 2018
Scanned annex to a communication - opposition procedure
Oct 16, 2018
Information about the result of oral proceedings
Sep 10, 2018
Brief communication - Opposition proceedings
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Written submission in preparation to/during oral proceedings
Aug 17, 2018
Brief communication - Opposition proceedings
Aug 17, 2018
Brief communication - Opposition proceedings
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended claims with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Amended description with annotations
Aug 9, 2018
Claims
Aug 9, 2018
Claims
Aug 9, 2018
Claims
Aug 9, 2018
Claims
Aug 9, 2018
Claims
Aug 9, 2018
Claims
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Description
Aug 9, 2018
Non-patent literature cited during the opposition procedure
Aug 9, 2018
Written submission in preparation to/during oral proceedings
Aug 6, 2018
(Electronic) Receipt
Aug 6, 2018
Citation in opposition procedure
Aug 6, 2018
Letter accompanying subsequently filed items
Aug 6, 2018
Patent document cited during the opposition procedure
Aug 6, 2018
Written submission in preparation to/during oral proceedings
Apr 23, 2018
Advice of delivery
Apr 19, 2018
Advice of delivery
Mar 22, 2018
(Electronic) Receipt
Mar 22, 2018
Advice of delivery
Mar 22, 2018
Letter accompanying subsequently filed items
Mar 13, 2018
Advice of delivery
Mar 9, 2018
Acknowledgement of a document
Mar 9, 2018
Acknowledgement of a document
Mar 9, 2018
Annex to the communication - opposition
Mar 9, 2018
Information concerning oral proceedings
Mar 9, 2018
Information concerning oral proceedings
Mar 9, 2018
Preparation for oral proceedings
Mar 9, 2018
Summons to attend oral proceedings
Mar 9, 2018
Summons to attend oral proceedings
Mar 6, 2018
Information about the result of oral proceedings
Dec 12, 2017
Brief communication - Opposition proceedings
Dec 4, 2017
(Electronic) Receipt
Dec 4, 2017
Any annexes (other than citation) to an opposition letter
Dec 4, 2017
Letter accompanying subsequently filed items
Dec 4, 2017
Reply of the patent proprietor to the notice(s) of opposition
Aug 8, 2017
Communication of a notice of opposition and request to file observations
Aug 8, 2017
Notice of further oppositions to opponent(s)
Jun 29, 2017
Communication of a notice of opposition - first information to patent proprietor
Jun 21, 2017
(Electronic) Receipt
Jun 21, 2017
Any annexes (other than citation) to an opposition letter
Jun 21, 2017
Any annexes (other than citation) to an opposition letter
Jun 21, 2017
Any annexes (other than citation) to an opposition letter
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Sep 21, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 25, 2016
Decision to grant a European patent
Aug 9, 2016
(Electronic) Receipt
Aug 9, 2016
Filing of the translations of the claims
Aug 9, 2016
French translation of claims
Aug 9, 2016
German translation of the claims
Aug 9, 2016
Letter accompanying subsequently filed items
Jul 5, 2016
Bibliographic data of the European patent application
Jul 5, 2016
Communication about intention to grant a European patent
Jul 5, 2016
Intention to grant (signatures)
Jul 5, 2016
Text intended for grant (clean copy)
Jul 5, 2016
Text intended for grant (version for approval)
Jan 17, 2014
(Electronic) Receipt
Jan 17, 2014
Abstract
Jan 17, 2014
Claims
Jan 17, 2014
Description
Jan 17, 2014
Letter accompanying subsequently filed items
Jan 17, 2014
Reply to communication from the Examining Division
Oct 25, 2013
Annex to the communication
Oct 25, 2013
Communication from the Examining Division
Oct 10, 2013
(Electronic) Receipt
Oct 10, 2013
Claims
Oct 10, 2013
Letter accompanying subsequently filed items
Oct 10, 2013
Reply to communication from the Examining Division
Aug 26, 2013
Annex to the communication
Aug 26, 2013
Communication from the Examining Division
Aug 14, 2013
Examination started
Jul 16, 2013
(Electronic) Receipt
Jul 16, 2013
Amended claims filed after receipt of (European) search report
Jul 16, 2013
Amended description filed after receipt of (European) search report
Jul 16, 2013
Amendments received before examination
Jul 16, 2013
Letter accompanying subsequently filed items
May 8, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 18, 2013
Communication regarding the transmission of the European search report
Apr 18, 2013
European search opinion
Apr 18, 2013
Supplementary European search report
Apr 17, 2012
(Electronic) Receipt
Apr 17, 2012
Amended claims filed after receipt of (European) search report
Apr 17, 2012
Amendments received before examination
Apr 17, 2012
Letter accompanying subsequently filed items
Apr 12, 2012
Notification on forthcoming publication of bibliographic data
Feb 21, 2012
Communication regarding possible amendment of the application/payment of claims fee
Jan 16, 2012
Copy of the international preliminary report on patentability
Dec 20, 2011
(Electronic) Receipt
Dec 20, 2011
Request for entry into the European phase
Nov 11, 2011
Information on entry into European phase
Nov 8, 2011
Notification of the recording of a change
Aug 17, 2011
Notification of the recording of a change
Jan 6, 2011
Copy of the international search report
Jan 6, 2011
Published international application - A1

EP2448865

EVONIK DEGUSSA

Application Number: EP09846662A
Filing Date: Jul 3, 2009
Status: Opposition Rejected; Mar 8, 2019
Publication Date: Sep 21, 2016
External Links: Slate, Register , Google Patents

IP Verse

Hydrophilic Silica As Filler For Silicone Rubber Formulations

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2448865