Porous Inorganic Oxide Particles And Methods Of Making And Using The Same

Patent No. EP2571808 (titled "Porous Inorganic Oxide Particles And Methods Of Making And Using The Same") was filed by Grace on May 19, 2011. The application was issued on Jul 17, 2019.

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
PQ PQ SILICAS UK	Apr 17, 2020	MARKS & CLERK

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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Mar 6, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 6, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 1, 2023
Termination of the opposition proceedings with revocation of patent
Nov 22, 2022
Advice of delivery
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
Advice of delivery
Nov 18, 2022
Annex to the communication - opposition
Nov 18, 2022
Decision of the Opposition Division and instruction
Nov 18, 2022
Decision revoking the European patent
Nov 18, 2022
Decision revoking the European patent
Nov 18, 2022
Grounds for the decision (Annex) - opposition
Nov 18, 2022
Letter accompanying subsequently filed items
Nov 18, 2022
Means of redress
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 18, 2022
Provision of a copy of the minutes - opposition procedure
Nov 18, 2022
Provision of a copy of the minutes - opposition procedure
Nov 18, 2022
Transmittal of decision / summons - opposition
Nov 18, 2022
Transmittal of decision / summons - opposition
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
Document concerning representation
Jul 12, 2022
Letter accompanying subsequently filed items
Dec 10, 2021
Information about the result of oral proceedings
Dec 7, 2021
Brief communication - Opposition proceedings
Dec 7, 2021
Brief communication - Opposition proceedings
Oct 13, 2021
Brief communication - Opposition proceedings
Oct 11, 2021
Brief communication - Opposition proceedings
Oct 8, 2021
(Electronic) Receipt
Oct 8, 2021
Auxiliary request during Opposition procedure - 01
Oct 8, 2021
Auxiliary request during Opposition procedure - 02
Oct 8, 2021
Auxiliary request during Opposition procedure - 03
Oct 8, 2021
Auxiliary request during Opposition procedure - 04
Oct 8, 2021
Auxiliary request during Opposition procedure - 05
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Written submission in preparation to/during oral proceedings
Oct 7, 2021
(Electronic) Receipt
Oct 7, 2021
Letter accompanying subsequently filed items
Oct 7, 2021
Written submission in preparation to/during oral proceedings
Sep 10, 2021
Notification concerning the date of oral proceedings
Sep 10, 2021
Notification concerning the date of oral proceedings
Jul 29, 2021
Brief communication - Opposition proceedings
Jul 29, 2021
Communication of amended entries
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
Letter accompanying subsequently filed items
Jul 22, 2021
Request for change of opponent's representative
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Advice of delivery
Apr 29, 2021
Advice of delivery
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 28, 2021
Annex to the communication - opposition
Apr 28, 2021
Information concerning oral proceedings
Apr 28, 2021
Summons to attend oral proceedings
Apr 28, 2021
Summons to attend oral proceedings
Apr 28, 2021
Transmittal of decision / summons - opposition
Apr 28, 2021
Transmittal of decision / summons - opposition
Oct 30, 2020
Brief communication - Opposition proceedings
Oct 26, 2020
(Electronic) Receipt
Oct 26, 2020
Auxiliary request during Opposition procedure - 01
Oct 26, 2020
Auxiliary request during Opposition procedure - 02
Oct 26, 2020
Citation in opposition procedure - 012
Oct 26, 2020
Citation in opposition procedure - 013
Oct 26, 2020
Consolidated list of cited opposition documents
Oct 26, 2020
Letter accompanying subsequently filed items
Oct 26, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 16, 2020
Communication of a notice of opposition and request to file observations
Jun 16, 2020
Notice of further oppositions to opponent(s)
Apr 21, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 17, 2020
(Electronic) Receipt
Apr 17, 2020
Any annexes (other than citation) to an opposition letter
Apr 17, 2020
Any annexes (other than citation) to an opposition letter
Apr 17, 2020
Citation in opposition procedure - 001
Apr 17, 2020
Citation in opposition procedure - 001
Apr 17, 2020
Citation in opposition procedure - 002
Apr 17, 2020
Citation in opposition procedure - 003
Apr 17, 2020
Citation in opposition procedure - 004
Apr 17, 2020
Citation in opposition procedure - 005
Apr 17, 2020
Citation in opposition procedure - 006
Apr 17, 2020
Citation in opposition procedure - 007
Apr 17, 2020
Citation in opposition procedure - 008
Apr 17, 2020
Citation in opposition procedure - 009
Apr 17, 2020
Citation in opposition procedure - 010
Apr 17, 2020
Citation in opposition procedure - 011
Apr 17, 2020
International publication (Pamphlet)
Apr 17, 2020
Letter accompanying subsequently filed items
Apr 17, 2020
Notice of opposition
Apr 17, 2020
Notice of opposition
Jul 29, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 21, 2019
Decision to grant a European patent
Jun 6, 2019
(Electronic) Receipt
Jun 6, 2019
Filing of the translations of the claims
Jun 6, 2019
French translation of claims
Jun 6, 2019
German translation of the claims
Jun 6, 2019
Letter accompanying subsequently filed items
Feb 15, 2019
Bibliographic data of the European patent application
Feb 15, 2019
Communication about intention to grant a European patent
Feb 15, 2019
Intention to grant (signatures)
Feb 15, 2019
Text intended for grant (clean copy)
Feb 15, 2019
Text intended for grant (version for approval)
May 4, 2018
(Electronic) Receipt
May 4, 2018
Amended claims with annotations
May 4, 2018
Amended description with annotations
May 4, 2018
Amended drawings with annotations
May 4, 2018
Claims
May 4, 2018
Description
May 4, 2018
Drawings
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Reply to communication from the Examining Division
Apr 25, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 5, 2018
Annexes in respect of a client data request
Apr 5, 2018
Submission concerning change of applicant's name
Oct 31, 2017
Annex to the communication
Oct 31, 2017
Communication from the Examining Division
Feb 3, 2017
Decision to allow further processing
Jan 18, 2017
(Electronic) Receipt
Jan 18, 2017
Amended claims with annotations
Jan 18, 2017
Claims
Jan 18, 2017
Letter accompanying subsequently filed items
Jan 18, 2017
Request for further processing
Nov 23, 2016
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 31, 2016
Refusal of request for extension of time limit
Oct 13, 2016
Request for extension of time limit to communication from the Examining Division
Apr 13, 2016
CDS Clean up - amended data concerning the representative of the applicant (Association)
Apr 11, 2016
Annex to the communication
Apr 11, 2016
Communication from Examining division including search results r.164(2)(b) EPC
Apr 11, 2016
Information on Search Strategy
Apr 11, 2016
Search results under rule 164(2)(b) EPC
Apr 1, 2016
Submission concerning representation
Mar 17, 2016
Search started
Feb 3, 2016
(Electronic) Receipt
Feb 3, 2016
Letter accompanying subsequently filed items
Feb 3, 2016
Letter concerning fees and payments
Dec 4, 2015
Annex to the communication
Dec 4, 2015
Communication from the examining division with an Invitation to pay a search fee(s)
May 21, 2015
Response to enquiry for communication from the Examining Division
May 15, 2015
Enquiry as to when a communication from the Examining Division can be expected
Dec 2, 2013
Letter concerning the priority
Dec 2, 2013
Priority document
Jul 2, 2013
(Electronic) Receipt
Jul 2, 2013
(Electronic) Receipt
Jul 2, 2013
Amended claims filed after receipt of (European) search report
Jul 2, 2013
Amended claims with annotations
Jul 2, 2013
Amendments received before examination
Jul 2, 2013
Letter accompanying subsequently filed items
Jul 2, 2013
Letter accompanying subsequently filed items
Jul 2, 2013
Letter concerning fees and payments
Jun 3, 2013
Priority document not received from IB during Euro-PCT phase
May 28, 2013
Annex
May 21, 2013
Invitation to file priority document
May 7, 2013
Reply by International Bureau
Apr 19, 2013
Enquiry with the International Bureau
Feb 27, 2013
Notification on forthcoming publication of bibliographic data
Jan 8, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 4, 2013
Communication to designated inventor
Jan 4, 2013
Communication to designated inventor
Dec 12, 2012
Copy of the international preliminary report on patentability
Oct 30, 2012
(Electronic) Receipt
Oct 30, 2012
Request for entry into the European phase
Sep 28, 2012
Information on entry into European phase
Nov 24, 2011
Copy of the international search report
Nov 24, 2011
Published international application - A1
Oct 18, 2011
Written opinion of the ISA, boxes No. I to VIII
Oct 18, 2011
Written opinion of the ISA, cover sheet
Oct 18, 2011
Written opinion of the ISA, supplemental box
May 19, 2011
Abstract
May 19, 2011
Claims
May 19, 2011
Description
May 19, 2011
Drawings

EP2571808

GRACE

Application Number: EP11721235A
Filing Date: May 19, 2011
Status: Revoked; Mar 31, 2023
Publication Date: Jul 17, 2019
External Links: Slate, Register , Google Patents

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Porous Inorganic Oxide Particles And Methods Of Making And Using The Same

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Dossier Documents

EP2571808