Microporous Precipitated Silica

Patent No. EP2429947 (titled "Microporous Precipitated Silica") was filed by PPG Industries Ohio on May 4, 2010. The application was issued on Nov 11, 2020.

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 20, 2018	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

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Oct 15, 2020
Decision to maintain the European patent in amended form
Oct 15, 2020
Decision to maintain the European patent in amended form
Oct 9, 2020
Termination of the opposition proceedings with maintenance of patent
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
Filing of the translation of the amended claims
Oct 1, 2020
French translation of claims
Oct 1, 2020
German translation of the claims
Oct 1, 2020
Letter accompanying subsequently filed items
Jul 13, 2020
Communication of bibliographic data
Jul 13, 2020
Communication to opponent concerning maintenance
Jul 13, 2020
Communication with request to file translations
Jul 6, 2020
Maintenance of the patent with the documents specified in the final decision
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Advice of delivery
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Advice of delivery
Mar 6, 2020
Acknowledgement of a document
Mar 6, 2020
Acknowledgement of a document
Mar 6, 2020
Decision of the Opposition Division and instruction
Mar 6, 2020
Druckexemplar in opposition procedure
Mar 6, 2020
Grounds for the decision (Annex) - opposition
Mar 6, 2020
Interlocutory decision in opposition proceedings
Mar 6, 2020
Internal form - Opposition/addressees
Mar 6, 2020
Means of redress
Mar 6, 2020
Scanned annex to a communication - opposition procedure
Feb 3, 2020
Advice of delivery
Feb 3, 2020
Notification concerning the date of oral proceedings
Feb 3, 2020
Notification concerning the date of oral proceedings
Jan 28, 2020
Brief communication - Opposition proceedings
Jan 22, 2020
(Electronic) Receipt
Jan 22, 2020
Amended claims with annotations
Jan 22, 2020
Amended claims with annotations
Jan 22, 2020
Claims
Jan 22, 2020
Claims
Jan 22, 2020
Letter accompanying subsequently filed items
Jan 22, 2020
Written submission in preparation to/during oral proceedings
Jan 7, 2020
Notification concerning the date of oral proceedings
Jan 7, 2020
Notification concerning the date of oral proceedings
Jan 3, 2020
Brief communication - Opposition proceedings
Dec 19, 2019
(Electronic) Receipt
Dec 19, 2019
Letter accompanying subsequently filed items
Dec 19, 2019
Written submission in preparation to/during oral proceedings
Dec 10, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
(Electronic) Receipt
Dec 4, 2019
Letter accompanying subsequently filed items
Dec 4, 2019
Written submission in preparation to/during oral proceedings
Nov 7, 2019
Brief communication - Opposition proceedings
Nov 4, 2019
(Electronic) Receipt
Nov 4, 2019
Letter accompanying subsequently filed items
Nov 4, 2019
Written submission in preparation to/during oral proceedings
Aug 1, 2019
Advice of delivery
Jul 11, 2019
Advice of delivery
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
Advice of delivery
Jul 2, 2019
Letter accompanying subsequently filed items
Jul 1, 2019
Advice of delivery
Jun 24, 2019
Acknowledgement of a document
Jun 24, 2019
Acknowledgement of a document
Jun 24, 2019
Information concerning oral proceedings
Jun 24, 2019
Summons to attend oral proceedings
Jun 24, 2019
Summons to attend oral proceedings
Jun 14, 2019
Advice of delivery
May 20, 2019
Brief communication - Opposition proceedings
May 17, 2019
Advice of delivery
May 13, 2019
(Electronic) Receipt
May 13, 2019
Letter accompanying subsequently filed items
May 6, 2019
(Electronic) Receipt
May 6, 2019
Advice of delivery
May 6, 2019
Brief communication - Opposition proceedings
May 6, 2019
Letter accompanying subsequently filed items
May 2, 2019
Advice of delivery
May 2, 2019
Advice of delivery
Apr 29, 2019
(Electronic) Receipt
Apr 29, 2019
Any annexes (other than citation) to an opposition letter
Apr 29, 2019
Letter accompanying subsequently filed items
Apr 29, 2019
Oral proceedings: Request for postponement
Apr 18, 2019
Acknowledgement of a document
Apr 18, 2019
Acknowledgement of a document
Apr 18, 2019
Information concerning oral proceedings
Apr 18, 2019
Summons to attend oral proceedings
Apr 18, 2019
Summons to attend oral proceedings
Apr 15, 2019
Advice of delivery
Apr 8, 2019
(Electronic) Receipt
Apr 8, 2019
Advice of delivery
Apr 8, 2019
Brief communication - Opposition proceedings
Apr 8, 2019
Letter accompanying subsequently filed items
Apr 3, 2019
Advice of delivery
Apr 2, 2019
(Electronic) Receipt
Apr 2, 2019
(Electronic) Receipt
Apr 2, 2019
Letter accompanying subsequently filed items
Apr 2, 2019
Letter regarding the opposition procedure (no time limit)
Mar 29, 2019
Acknowledgement of a document
Mar 29, 2019
Acknowledgement of a document
Mar 29, 2019
Annex to the communication - opposition
Mar 29, 2019
Information concerning oral proceedings
Mar 29, 2019
Summons to attend oral proceedings
Mar 29, 2019
Summons to attend oral proceedings
Nov 19, 2018
Brief communication - Opposition proceedings
Nov 14, 2018
(Electronic) Receipt
Nov 14, 2018
Amended claims with annotations
Nov 14, 2018
Citation in opposition procedure
Nov 14, 2018
Citation in opposition procedure
Nov 14, 2018
Claims
Nov 14, 2018
Letter accompanying subsequently filed items
Nov 14, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 4, 2018
Communication of a notice of opposition and request to file observations
Jul 4, 2018
Notice of further oppositions to opponent(s)
Jun 27, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
Citation in opposition procedure
Jun 20, 2018
Citation in opposition procedure
Jun 20, 2018
Citation in opposition procedure
Jun 20, 2018
Notice of opposition
Jun 20, 2018
Notice of opposition
Jun 20, 2018
Patent document cited during the opposition procedure
Jun 20, 2018
Patent document cited during the opposition procedure
Jun 20, 2018
Patent document cited during the opposition procedure
Jun 20, 2018
Patent document cited during the opposition procedure
Oct 24, 2017
Communication concerning correction of publication errors in European patent specification
Oct 19, 2017
Letter concerning publication issues
Oct 6, 2017
Request for correction of the publication
Sep 20, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 24, 2017
Decision to grant a European patent
Aug 10, 2017
(Electronic) Receipt
Aug 10, 2017
Filing of the translations of the claims
Aug 10, 2017
French translation of claims
Aug 10, 2017
German translation of the claims
Aug 10, 2017
Letter accompanying subsequently filed items
Apr 4, 2017
Bibliographic data of the European patent application
Apr 4, 2017
Communication about intention to grant a European patent
Apr 4, 2017
Intention to grant (signatures)
Apr 4, 2017
Text intended for grant (clean copy)
Apr 4, 2017
Text intended for grant (version for approval)
Mar 13, 2014
(Electronic) Receipt
Mar 13, 2014
Amended claims with annotations
Mar 13, 2014
Amended description with annotations
Mar 13, 2014
Claims
Mar 13, 2014
Description
Mar 13, 2014
Letter accompanying subsequently filed items
Mar 13, 2014
Reply to communication from the Examining Division
Dec 16, 2013
Submission concerning representation
Nov 8, 2013
Annex to the communication
Nov 8, 2013
Communication from the Examining Division
May 25, 2013
Amended claims with annotations
May 25, 2013
Claims
May 25, 2013
Reply to communication from the Examining Division
May 2, 2013
Communication of amended entries concerning the representative
Apr 26, 2013
Communication of amended entries concerning the representative
Apr 19, 2013
Submission concerning change of applicant's representative
Apr 17, 2013
Submission concerning change of applicant's representative
Mar 1, 2013
Annex to the communication
Mar 1, 2013
Communication from the Examining Division
Feb 22, 2012
Notification on forthcoming publication of bibliographic data
Feb 2, 2012
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Dec 5, 2011
Amended claims filed after receipt of (European) search report
Dec 5, 2011
Amendments received before examination
Dec 5, 2011
Request for entry into the European phase
Dec 1, 2011
Amended claims filed after receipt of (European) search report
Dec 1, 2011
Amendments received before examination
Dec 1, 2011
Fax request to enter the European phase
Dec 1, 2011
Letter accompanying subsequently filed items
Dec 1, 2011
Letter accompanying subsequently filed items
Dec 1, 2011
Payment of fees and costs
Nov 21, 2011
Copy of the international preliminary report on patentability
Sep 16, 2011
Information on entry into European phase
Dec 6, 2010
Priority document (electronically transmitted)
Nov 11, 2010
Copy of the international search report
Nov 11, 2010
Published international application - A1
Sep 13, 2010
Written opinion of the ISA, boxes No. I to VIII
Sep 13, 2010
Written opinion of the ISA, cover sheet
Sep 13, 2010
Written opinion of the ISA, supplemental box
May 14, 2010
Abstract
May 14, 2010
Claims
May 14, 2010
Description

EP2429947

PPG INDUSTRIES OHIO

Application Number: EP10719843A
Filing Date: May 4, 2010
Status: Patent Maintained As Amended; Oct 9, 2020
Publication Date: Nov 11, 2020
External Links: Slate, Register , Google Patents

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Microporous Precipitated Silica

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Dossier Documents

EP2429947