Hydrophobicization Of Silicas Under Oxidizing Conditions

Patent No. EP2220172 (titled "Hydrophobicization Of Silicas Under Oxidizing Conditions") was filed by Wacker Chemie on Dec 12, 2008. The application was issued on Mar 2, 2016.

Patent Family

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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
CABOT	Dec 2, 2016	GRUNECKER PATENT
EVONIK OPERATIONS	Nov 30, 2016	GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENT
RHODIA OPERATIONS	Nov 24, 2016	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

Feb 10, 2020
Closure of appeal proceedings: deficiency according to Art. 108 EPC
Feb 5, 2020
Termination of the opposition proceedings with revocation of patent
Nov 14, 2019
F3345 Forwarding of submissions to parties
Nov 14, 2019
F3345 Forwarding of submissions to parties
Nov 14, 2019
F3345 Forwarding of submissions to parties
Nov 11, 2019
F3040 Term extension: Yes/No
Nov 11, 2019
F3040 Term extension: Yes/No
Nov 11, 2019
F3040 Term extension: Yes/No
Nov 11, 2019
F3040 Term extension: Yes/No
Nov 8, 2019
F3936 Acknowledgement of receipt Board of Appeal
Nov 8, 2019
F3936 Acknowledgement of receipt Board of Appeal
Nov 8, 2019
Reply to appeal
Nov 6, 2019
(Electronic) Receipt
Nov 6, 2019
Letter accompanying subsequently filed items
Nov 6, 2019
Request for extension of time limit
Nov 5, 2019
Communication of loss of rights: deficiency according to Art. 108 EPC
Nov 5, 2019
F3039 Attendance note about a phone conversation and continuation sheet
Nov 5, 2019
F3042 Dispatch of attendance note about a phone conversation
Nov 5, 2019
F3042 Dispatch of attendance note about a phone conversation
Nov 5, 2019
F3042 Dispatch of attendance note about a phone conversation
Nov 5, 2019
F3042 Dispatch of attendance note about a phone conversation
Aug 6, 2019
F3326 Communication with time limit (inter partes)
Jul 18, 2019
F3303.16 Change of composition of the Board (T)
Jun 28, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 28, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 28, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Annexes (other than cited documents) regarding appeal procedure
Jun 27, 2019
Composition of the board (T)
Jun 27, 2019
Statement of grounds of appeal
Jun 25, 2019
Amended claims with annotations
Jun 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Jun 25, 2019
Statement of grounds of appeal
May 14, 2019
Letter relating to Appeal Procedure
May 7, 2019
Important information concerning EPO Form 1010
Apr 29, 2019
F3204 Communication of the file number to the parties
Apr 26, 2019
Notice of appeal
Apr 26, 2019
Payment of fees and costs
Apr 24, 2019
Processing of an appeal
Apr 23, 2019
Letter relating to Appeal Procedure
Apr 23, 2019
Notice of appeal
Apr 23, 2019
Payment of fees and costs
Apr 23, 2019
Payment of fees and costs
Apr 11, 2019
Advice of delivery
Apr 8, 2019
Advice of delivery
Apr 4, 2019
Advice of delivery
Apr 4, 2019
Advice of delivery
Mar 8, 2019
Advice of delivery
Mar 6, 2019
Advice of delivery
Mar 6, 2019
Advice of delivery
Mar 4, 2019
Advice of delivery
Feb 27, 2019
Acknowledgement of a document
Feb 27, 2019
Acknowledgement of a document
Feb 27, 2019
Acknowledgement of a document
Feb 27, 2019
Acknowledgement of a document
Feb 27, 2019
Annex to the communication - opposition
Feb 27, 2019
Decision of the Opposition Division and instruction
Feb 27, 2019
Decision revoking the European patent
Feb 27, 2019
Grounds for the decision (Annex) - opposition
Feb 27, 2019
Internal form - Opposition/addressees
Feb 27, 2019
Internal form - Opposition/addressees
Feb 27, 2019
Means of redress
Feb 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 27, 2019
Provision of a copy of the minutes - opposition procedure
Feb 27, 2019
Scanned annex to a communication - opposition procedure
Jan 9, 2019
Information about the result of oral proceedings
Jan 7, 2019
Brief communication - Opposition proceedings
Jan 7, 2019
Brief communication - Opposition proceedings
Jan 7, 2019
Brief communication - Opposition proceedings
Jan 4, 2019
(Electronic) Receipt
Jan 4, 2019
Letter accompanying subsequently filed items
Jan 4, 2019
Written submission in preparation to/during oral proceedings
Jan 2, 2019
Brief communication - Opposition proceedings
Jan 2, 2019
Brief communication - Opposition proceedings
Jan 2, 2019
Brief communication - Opposition proceedings
Dec 20, 2018
Brief communication - Opposition proceedings
Dec 20, 2018
Brief communication - Opposition proceedings
Dec 20, 2018
Brief communication - Opposition proceedings
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Amended claims with annotations
Dec 19, 2018
Amended claims with annotations
Dec 19, 2018
Citation in opposition procedure
Dec 19, 2018
Claims
Dec 19, 2018
Claims
Dec 19, 2018
Letter accompanying subsequently filed items
Dec 19, 2018
Written submission in preparation to/during oral proceedings
Dec 15, 2018
(Electronic) Receipt
Dec 15, 2018
Letter accompanying subsequently filed items
Dec 15, 2018
Written submission in preparation to/during oral proceedings
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 14, 2018
Non-patent literature cited during the opposition procedure
Nov 14, 2018
Written submission in preparation to/during oral proceedings
Nov 13, 2018
Amended claims with annotations
Nov 13, 2018
Amended claims with annotations
Nov 13, 2018
Amended claims with annotations
Nov 13, 2018
Amended claims with annotations
Nov 13, 2018
Claims
Nov 13, 2018
Claims
Nov 13, 2018
Claims
Nov 13, 2018
Claims
Nov 13, 2018
Written submission in preparation to/during oral proceedings
Nov 12, 2018
Brief communication - Opposition proceedings
Nov 12, 2018
Brief communication - Opposition proceedings
Nov 12, 2018
Brief communication - Opposition proceedings
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Any annexes (other than citation) to an opposition letter
Nov 9, 2018
Any annexes (other than citation) to an opposition letter
Nov 9, 2018
Citation in opposition procedure
Nov 9, 2018
Claims
Nov 9, 2018
Claims
Nov 9, 2018
Claims
Nov 9, 2018
Claims
Nov 9, 2018
Letter accompanying subsequently filed items
Nov 9, 2018
Non-patent literature cited during the opposition procedure
Nov 9, 2018
Non-patent literature cited during the opposition procedure
Nov 9, 2018
Non-scannable object
Nov 9, 2018
Written submission in preparation to/during oral proceedings
Nov 9, 2018
Written submission in preparation to/during oral proceedings
Nov 9, 2018
Written submission in preparation to/during oral proceedings
Oct 31, 2018
(Electronic) Receipt
Oct 31, 2018
Letter accompanying subsequently filed items
Oct 31, 2018
Request for interpreters during oral proceedings
Jul 26, 2018
Advice of delivery
Jul 6, 2018
Advice of delivery
Jun 19, 2018
(Electronic) Receipt
Jun 19, 2018
Advice of delivery
Jun 19, 2018
Advice of delivery
Jun 19, 2018
Letter accompanying subsequently filed items
Jun 10, 2018
Advice of delivery
Jun 8, 2018
Advice of delivery
Jun 7, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
Jun 6, 2018
Advice of delivery
Jun 4, 2018
Acknowledgement of a document
Jun 4, 2018
Acknowledgement of a document
Jun 4, 2018
Acknowledgement of a document
Jun 4, 2018
Acknowledgement of a document
Jun 4, 2018
Notification concerning the date of oral proceedings
Jun 4, 2018
Notification concerning the date of oral proceedings
Jun 4, 2018
Notification concerning the date of oral proceedings
Jun 4, 2018
Notification concerning the date of oral proceedings
May 2, 2018
Advice of delivery
Apr 26, 2018
Advice of delivery
Apr 24, 2018
Request for interpreters during oral proceedings
Apr 23, 2018
(Electronic) Receipt
Apr 23, 2018
Acknowledgement of a document
Apr 23, 2018
Advice of delivery
Apr 23, 2018
Advice of delivery
Apr 23, 2018
Brief communication - Opposition proceedings
Apr 23, 2018
Brief communication - Opposition proceedings
Apr 23, 2018
Letter accompanying subsequently filed items
Apr 20, 2018
Any annexes (other than citation) to an opposition letter
Apr 20, 2018
Letter regarding the opposition procedure (no time limit)
Apr 20, 2018
Request for interpreters during oral proceedings
Apr 19, 2018
Brief communication - Opposition proceedings
Apr 18, 2018
Any annexes (other than citation) to an opposition letter
Apr 18, 2018
Letter accompanying subsequently filed items
Apr 18, 2018
Oral proceedings: Request for postponement
Apr 12, 2018
Advice of delivery
Apr 11, 2018
Advice of delivery
Apr 10, 2018
Advice of delivery
Apr 10, 2018
Oral proceedings: Request for postponement
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Acknowledgement of a document
Apr 5, 2018
Notification concerning the date of oral proceedings
Apr 5, 2018
Notification concerning the date of oral proceedings
Apr 5, 2018
Notification concerning the date of oral proceedings
Apr 5, 2018
Notification concerning the date of oral proceedings
Mar 27, 2018
Brief communication - Opposition proceedings
Mar 27, 2018
Brief communication - Opposition proceedings
Mar 27, 2018
Brief communication - Opposition proceedings
Mar 26, 2018
Communication of amended entries
Mar 20, 2018
Request for change of opponent's representative
Mar 19, 2018
Advice of delivery
Mar 16, 2018
General enquiry
Mar 13, 2018
Advice of delivery
Feb 23, 2018
Advice of delivery
Feb 12, 2018
(Electronic) Receipt
Feb 12, 2018
Advice of delivery
Feb 12, 2018
Letter accompanying subsequently filed items
Feb 5, 2018
Advice of delivery
Feb 5, 2018
Advice of delivery
Feb 5, 2018
Oral proceedings: Request for postponement
Feb 5, 2018
Oral proceedings: Request for postponement
Feb 1, 2018
Advice of delivery
Feb 1, 2018
Brief communication - Opposition proceedings
Feb 1, 2018
Brief communication - Opposition proceedings
Feb 1, 2018
Brief communication - Opposition proceedings
Feb 1, 2018
Oral proceedings: Request for postponement
Jan 29, 2018
Acknowledgement of a document
Jan 29, 2018
Acknowledgement of a document
Jan 29, 2018
Acknowledgement of a document
Jan 29, 2018
Acknowledgement of a document
Jan 29, 2018
Annex to the communication - opposition
Jan 29, 2018
Information concerning oral proceedings
Jan 29, 2018
Preparation for oral proceedings
Jan 29, 2018
Summons to attend oral proceedings
Jan 29, 2018
Summons to attend oral proceedings
Jan 29, 2018
Summons to attend oral proceedings
Jan 29, 2018
Summons to attend oral proceedings
Jan 29, 2018
Summons to attend oral proceedings
Jan 22, 2018
Brief communication - Opposition proceedings
Jan 22, 2018
Brief communication - Opposition proceedings
Jan 22, 2018
Brief communication - Opposition proceedings
Jan 18, 2018
Letter regarding the opposition procedure (no time limit)
Jan 18, 2018
Non-patent literature cited during the opposition procedure
Jan 18, 2018
Non-scannable object
Jan 18, 2018
Non-scannable object
Jan 16, 2018
Citation in opposition procedure
Jan 16, 2018
Letter regarding the opposition procedure (no time limit)
Jan 16, 2018
Non-patent literature cited during the opposition procedure
Jan 3, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
Brief communication - Opposition proceedings
Dec 19, 2017
(Electronic) Receipt
Dec 19, 2017
Any annexes (other than citation) to an opposition letter
Dec 19, 2017
Any annexes (other than citation) to an opposition letter
Dec 19, 2017
Auxiliary request during Opposition procedure
Dec 19, 2017
Auxiliary request during Opposition procedure
Dec 19, 2017
Auxiliary request during Opposition procedure
Dec 19, 2017
Auxiliary request during Opposition procedure
Dec 19, 2017
Letter regarding the opposition procedure (no time limit)
Dec 19, 2017
Non-patent literature cited during the opposition procedure
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 22, 2017
Letter regarding the opposition procedure (no time limit)
Aug 22, 2017
Non-patent literature cited during the opposition procedure
Aug 22, 2017
Non-patent literature cited during the opposition procedure
Aug 22, 2017
Non-patent literature cited during the opposition procedure
Aug 22, 2017
Patent document cited during the opposition procedure
Jun 19, 2017
Brief communication - Opposition proceedings
Jun 19, 2017
Brief communication - Opposition proceedings
Jun 19, 2017
Brief communication - Opposition proceedings
Jun 9, 2017
(Electronic) Receipt
Jun 9, 2017
Letter accompanying subsequently filed items
Jun 9, 2017
Letter regarding the opposition procedure (no time limit)
May 26, 2017
Brief communication - Opposition proceedings
May 26, 2017
Brief communication - Opposition proceedings
May 26, 2017
Brief communication - Opposition proceedings
May 19, 2017
(Electronic) Receipt
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Amended claims with annotations
May 19, 2017
Any annexes (other than citation) to an opposition letter
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Claims
May 19, 2017
Letter accompanying subsequently filed items
May 19, 2017
Non-patent literature cited during the opposition procedure
May 19, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 11, 2017
Brief communication - Opposition proceedings
May 11, 2017
Brief communication - Opposition proceedings
May 11, 2017
Brief communication - Opposition proceedings
May 11, 2017
Rejection of request for extension of time limit
May 4, 2017
Brief communication - Opposition proceedings
May 4, 2017
Brief communication - Opposition proceedings
May 4, 2017
Brief communication - Opposition proceedings
May 4, 2017
Rejection of request for extension of time limit
Apr 28, 2017
Request for extension of time limit
Apr 27, 2017
Request for extension of time limit
Jan 12, 2017
Communication of a notice of opposition and request to file observations
Jan 12, 2017
Notice of further oppositions to opponent(s)
Jan 12, 2017
Notice of further oppositions to opponent(s)
Jan 12, 2017
Notice of further oppositions to opponent(s)
Dec 14, 2016
Communication of a notice of opposition - first information to patent proprietor
Dec 2, 2016
Citation in opposition procedure
Dec 2, 2016
Non-patent literature cited during the opposition procedure
Dec 2, 2016
Non-patent literature cited during the opposition procedure
Dec 2, 2016
Non-patent literature cited during the opposition procedure
Dec 2, 2016
Notice of opposition
Dec 2, 2016
Notice of opposition
Dec 2, 2016
Patent document cited during the opposition procedure
Dec 2, 2016
Patent document cited during the opposition procedure
Dec 2, 2016
Payment of fees and costs
Dec 1, 2016
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2016
(Electronic) Receipt
Nov 30, 2016
Non-patent literature cited during the opposition procedure
Nov 30, 2016
Non-patent literature cited during the opposition procedure
Nov 30, 2016
Notice of opposition
Nov 30, 2016
Notice of opposition
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 30, 2016
Patent document cited during the opposition procedure
Nov 24, 2016
(Electronic) Receipt
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Non-patent literature cited during the opposition procedure
Nov 24, 2016
Notice of opposition
Nov 24, 2016
Notice of opposition
Nov 24, 2016
Patent document cited during the opposition procedure
Nov 24, 2016
Patent document cited during the opposition procedure
Nov 24, 2016
Patent document cited during the opposition procedure
Nov 24, 2016
Patent document cited during the opposition procedure
Nov 24, 2016
Patent document cited during the opposition procedure
Mar 2, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 4, 2016
Decision to grant a European patent
Dec 17, 2015
(Electronic) Receipt
Dec 17, 2015
English translation of the claims
Dec 17, 2015
Filing of the translations of the claims
Dec 17, 2015
French translation of claims
Dec 17, 2015
Letter accompanying subsequently filed items
Sep 8, 2015
Bibliographic data of the European patent application
Sep 8, 2015
Communication about intention to grant a European patent
Sep 8, 2015
Intention to grant (signatures)
Sep 8, 2015
Text intended for grant
Jul 24, 2015
Reply to communication from the Examining Division
Jul 23, 2015
Reply to communication from the Examining Division
Jul 6, 2015
Annex to the communication
Jul 6, 2015
Communication from the Examining Division
Nov 6, 2014
Description
Nov 6, 2014
Non-patent literature cited during the examination procedure
Nov 6, 2014
Reply to communication from the Examining Division
Oct 30, 2014
Description
Oct 30, 2014
Non-patent literature cited during the examination procedure
Oct 30, 2014
Reply to communication from the Examining Division
Jul 1, 2014
Annex to the communication
Jul 1, 2014
Communication from the Examining Division
Jun 26, 2014
General enquiry
Aug 8, 2013
Communication of amended entries concerning the representative
Aug 1, 2013
Submission concerning change of applicant's representative
May 11, 2011
Claims
May 11, 2011
Reply to communication from the Examining Division
May 6, 2011
Claims
May 6, 2011
Reply to communication from the Examining Division
Jan 5, 2011
Annex to the communication
Jan 5, 2011
Communication from the Examining Division
Aug 25, 2010
Reply to Written Opinion prepared by the EPO
Jul 28, 2010
Communication regarding comments on Written Opinion/amendment of application/payment of claims fee
Jul 28, 2010
Notification on forthcoming publication of bibliographic data
Jul 6, 2010
Copy of the international preliminary report on patentability
Jun 9, 2010
(Electronic) Receipt
Jun 9, 2010
Amended claims filed after receipt of (European) search report
Jun 9, 2010
Amended description filed after receipt of (European) search report
Jun 9, 2010
General authorisation
Jun 9, 2010
Request for entry into the European phase
May 3, 2010
Information on entry into European phase
Jul 17, 2009
Priority document (electronically transmitted)
Jun 25, 2009
Copy of the international search report
Jun 25, 2009
Copy of the international search report
Jun 25, 2009
Published international application - A1
Apr 22, 2009
Written opinion of the ISA, boxes No. I to VIII
Apr 22, 2009
Written opinion of the ISA, cover sheet
Apr 22, 2009
Written opinion of the ISA, supplemental box
Dec 12, 2008
(Electronic) Receipt
Dec 12, 2008
Abstract
Dec 12, 2008
Claims
Dec 12, 2008
Description
Dec 12, 2008
Submission concerning representation

EP2220172

WACKER CHEMIE

Application Number: EP08861951A
Filing Date: Dec 12, 2008
Status: Revoked; Feb 7, 2020
Publication Date: Mar 2, 2016
External Links: Slate, Register , Google Patents

IP Verse

Hydrophobicization Of Silicas Under Oxidizing Conditions

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP2220172