Silica Based Salt Solution Delivery System

Patent No. EP2983509 (titled "Silica Based Salt Solution Delivery System") was filed by Evonik Degussa on Mar 14, 2014. The application was issued on Nov 21, 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
OMYA	Aug 20, 2019	MAIWALD

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 25, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 25, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 20, 2021
Termination of the opposition proceedings with revocation of patent
Jul 14, 2021
Advice of delivery
Jul 12, 2021
Advice of delivery
Jul 9, 2021
Annex to the communication - opposition
Jul 9, 2021
Decision of the Opposition Division and instruction
Jul 9, 2021
Decision revoking the European patent
Jul 9, 2021
Decision revoking the European patent
Jul 9, 2021
Grounds for the decision (Annex) - opposition
Jul 9, 2021
Means of redress
Jul 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 9, 2021
Provision of a copy of the minutes - opposition procedure
Jul 9, 2021
Provision of a copy of the minutes - opposition procedure
Jul 9, 2021
Transmittal of decision / summons - opposition
Jul 9, 2021
Transmittal of decision / summons - opposition
Jun 14, 2021
Information about the result of oral proceedings
Apr 16, 2021
Brief communication - Opposition proceedings
Apr 16, 2021
Brief communication - Opposition proceedings
Apr 13, 2021
(Electronic) Receipt
Apr 13, 2021
(Electronic) Receipt
Apr 13, 2021
Citation in opposition procedure - 014
Apr 13, 2021
Consolidated list of cited opposition documents
Apr 13, 2021
Letter accompanying subsequently filed items
Apr 13, 2021
Request for interpreters during oral proceedings
Apr 13, 2021
Written submission in preparation to/during oral proceedings
Apr 12, 2021
(Electronic) Receipt
Apr 12, 2021
Citation in opposition procedure - 013
Apr 12, 2021
Letter accompanying subsequently filed items
Apr 12, 2021
Written submission in preparation to/during oral proceedings
Mar 30, 2021
Brief communication - Opposition proceedings
Mar 30, 2021
Communication concerning the filing of a power of attorney
Mar 30, 2021
Communication of amended entries concerning the representative
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
Submission concerning change of proprietor's representative
Mar 16, 2021
Notification concerning the date of oral proceedings
Mar 16, 2021
Notification concerning the date of oral proceedings
Oct 21, 2020
Advice of delivery
Oct 14, 2020
Advice of delivery
Oct 7, 2020
Acknowledgement of a document
Oct 7, 2020
Acknowledgement of a document
Oct 7, 2020
Annex to the communication - opposition
Oct 7, 2020
Summons to attend oral proceedings
Oct 7, 2020
Summons to attend oral proceedings
Oct 5, 2020
Brief communication - Opposition proceedings
Oct 1, 2020
Brief communication - Opposition proceedings
Oct 1, 2020
Notification concerning the date of oral proceedings
Oct 1, 2020
Notification concerning the date of oral proceedings
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
Brief communication - Opposition proceedings
Sep 30, 2020
Brief communication - Opposition proceedings
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Oral proceedings: reply to date proposed
Sep 28, 2020
Oral proceedings: reply to date proposed
Sep 25, 2020
Brief communication - Opposition proceedings
Sep 25, 2020
Brief communication - Opposition proceedings
Sep 8, 2020
Brief communication - Opposition proceedings
Sep 3, 2020
(Electronic) Receipt
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Description
Sep 3, 2020
Letter accompanying subsequently filed items
Sep 3, 2020
Written submission in preparation to/during oral proceedings
Sep 1, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
Notification concerning the date of oral proceedings
Aug 28, 2020
Brief communication - Opposition proceedings
Aug 24, 2020
(Electronic) Receipt
Aug 24, 2020
(Electronic) Receipt
Aug 24, 2020
Citation in opposition procedure - 011
Aug 24, 2020
Citation in opposition procedure - 011
Aug 24, 2020
Citation in opposition procedure - 011
Aug 24, 2020
Citation in opposition procedure - 012
Aug 24, 2020
Letter accompanying subsequently filed items
Aug 24, 2020
Request for interpreters during oral proceedings
Aug 24, 2020
Written submission in preparation to/during oral proceedings
Jun 3, 2020
Brief communication - Opposition proceedings
May 27, 2020
(Electronic) Receipt
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure
May 27, 2020
Auxiliary request during Opposition procedure - 01
May 27, 2020
Auxiliary request during Opposition procedure - 02
May 27, 2020
Auxiliary request during Opposition procedure - 03
May 27, 2020
Auxiliary request during Opposition procedure - 04
May 27, 2020
Auxiliary request during Opposition procedure - 05
May 27, 2020
Auxiliary request during Opposition procedure - 06
May 27, 2020
Auxiliary request during Opposition procedure - 07
May 27, 2020
Auxiliary request during Opposition procedure - 08
May 27, 2020
Auxiliary request during Opposition procedure - 09
May 27, 2020
Auxiliary request during Opposition procedure - 10
May 27, 2020
Auxiliary request during Opposition procedure - 11
May 27, 2020
Auxiliary request during Opposition procedure - 12
May 27, 2020
Auxiliary request during Opposition procedure - 13
May 27, 2020
Auxiliary request during Opposition procedure - 14
May 27, 2020
Auxiliary request during Opposition procedure - 15
May 27, 2020
Auxiliary request during Opposition procedure - 16
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Description
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Main request during Opposition procedure
May 27, 2020
Main request during Opposition procedure
May 27, 2020
Written submission in preparation to/during oral proceedings
Mar 2, 2020
Advice of delivery
Feb 27, 2020
Advice of delivery
Feb 25, 2020
Acknowledgement of a document
Feb 25, 2020
Acknowledgement of a document
Feb 25, 2020
Annex to the communication - opposition
Feb 25, 2020
Information concerning oral proceedings
Feb 25, 2020
Summons to attend oral proceedings
Feb 25, 2020
Summons to attend oral proceedings
Jan 2, 2020
Brief communication - Opposition proceedings
Dec 17, 2019
(Electronic) Receipt
Dec 17, 2019
Any annexes (other than citation) to an opposition letter
Dec 17, 2019
Any annexes (other than citation) to an opposition letter
Dec 17, 2019
Auxiliary request during Opposition procedure - 01
Dec 17, 2019
Auxiliary request during Opposition procedure - 02
Dec 17, 2019
Auxiliary request during Opposition procedure - 03
Dec 17, 2019
Auxiliary request during Opposition procedure - 04
Dec 17, 2019
Auxiliary request during Opposition procedure - 05
Dec 17, 2019
Auxiliary request during Opposition procedure - 06
Dec 17, 2019
Auxiliary request during Opposition procedure - 07
Dec 17, 2019
Auxiliary request during Opposition procedure - 08
Dec 17, 2019
Auxiliary request during Opposition procedure - 09
Dec 17, 2019
Auxiliary request during Opposition procedure - 10
Dec 17, 2019
Auxiliary request during Opposition procedure - 11
Dec 17, 2019
Auxiliary request during Opposition procedure - 12
Dec 17, 2019
Auxiliary request during Opposition procedure - 13
Dec 17, 2019
Auxiliary request during Opposition procedure - 14
Dec 17, 2019
Auxiliary request during Opposition procedure - 15
Dec 17, 2019
Auxiliary request during Opposition procedure - 16
Dec 17, 2019
Letter accompanying subsequently filed items
Dec 17, 2019
Main request during Opposition procedure
Dec 17, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 12, 2019
Communication of amended entries concerning the representative
Nov 12, 2019
Communication of the registration of a transfer or change of name and/or address
Nov 7, 2019
Submission concerning change of applicant's representative
Nov 6, 2019
Submission concerning change of applicant's name
Nov 6, 2019
Submission concerning change of applicant's name
Sep 2, 2019
Communication of a notice of opposition and request to file observations
Sep 2, 2019
Notice of further oppositions to opponent(s)
Aug 26, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 20, 2019
(Electronic) Receipt
Aug 20, 2019
Citation in opposition procedure - 001
Aug 20, 2019
Citation in opposition procedure - 002
Aug 20, 2019
Citation in opposition procedure - 003
Aug 20, 2019
Citation in opposition procedure - 004
Aug 20, 2019
Citation in opposition procedure - 005
Aug 20, 2019
Citation in opposition procedure - 006
Aug 20, 2019
Citation in opposition procedure - 007
Aug 20, 2019
Citation in opposition procedure - 008
Aug 20, 2019
Citation in opposition procedure - 009
Aug 20, 2019
Citation in opposition procedure - 010
Aug 20, 2019
Citation in opposition procedure - 010
Aug 20, 2019
Notice of opposition
Aug 20, 2019
Notice of opposition
Dec 3, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 25, 2018
Decision to grant a European patent
Oct 10, 2018
(Electronic) Receipt
Oct 10, 2018
Filing of the translations of the claims
Oct 10, 2018
French translation of claims
Oct 10, 2018
German translation of the claims
Oct 10, 2018
Letter accompanying subsequently filed items
Jun 11, 2018
Bibliographic data of the European patent application
Jun 11, 2018
Communication about intention to grant a European patent
Jun 11, 2018
Intention to grant (signatures)
Jun 11, 2018
Text intended for grant (clean copy)
Jun 11, 2018
Text intended for grant (version for approval)
Jun 8, 2018
Notification concerning the date of oral proceedings
Jun 1, 2018
Notification concerning the date of oral proceedings
May 25, 2018
(Electronic) Receipt
May 25, 2018
Amended claims with annotations
May 25, 2018
Amended description with annotations
May 25, 2018
Claims
May 25, 2018
Description
May 25, 2018
Letter accompanying subsequently filed items
May 25, 2018
Letter dealing with oral proceedings
May 18, 2018
Annex to the communication
May 18, 2018
Notification concerning the date of oral proceedings
Apr 26, 2018
Communication concerning the filing of a power of attorney
Apr 26, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 25, 2018
Amended description with annotations
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Claims
Apr 25, 2018
Description
Apr 25, 2018
Description
Apr 25, 2018
Letter dealing with oral proceedings
Apr 25, 2018
Non-patent literature cited during the examination procedure
Apr 25, 2018
Non-patent literature cited during the examination procedure
Apr 16, 2018
Submission concerning a transfer of rights (applicant)
Feb 7, 2018
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Jan 24, 2018
(Electronic) Receipt
Jan 24, 2018
Letter accompanying subsequently filed items
Jan 24, 2018
Submission concerning a transfer of rights (applicant)
Jan 24, 2018
Submission concerning a transfer of rights (applicant)
Dec 12, 2017
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Dec 1, 2017
Advice of delivery
Nov 29, 2017
Advice of delivery
Nov 28, 2017
(Electronic) Receipt
Nov 28, 2017
Annexes in respect of a client data request
Nov 28, 2017
Annexes in respect of a client data request
Nov 28, 2017
Letter accompanying subsequently filed items
Nov 28, 2017
Submission concerning a transfer of rights (applicant)
Nov 17, 2017
Acknowledgement of a document
Nov 17, 2017
Annex to the communication
Nov 17, 2017
Preparation for oral proceedings
Nov 17, 2017
Summons to attend oral proceedings
Oct 24, 2017
Submission concerning representation
Sep 19, 2017
Communication of amended entries concerning the representative
Sep 7, 2017
Submission concerning change of applicant's representative
Aug 9, 2017
Decision to allow further processing
Jul 28, 2017
(Electronic) Receipt
Jul 28, 2017
Amended claims with annotations
Jul 28, 2017
Claims
Jul 28, 2017
Letter accompanying subsequently filed items
Jul 28, 2017
Request for further processing
May 19, 2017
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Feb 1, 2017
Grant of extension of time limit (examination procedure)
Jan 30, 2017
Communication of amended entries concerning the representative
Jan 25, 2017
(Electronic) Receipt
Jan 25, 2017
Request for extension of time limit to communication from the Examining Division
Jan 23, 2017
Submission concerning change of applicant's representative
Oct 12, 2016
Annex to the communication
Oct 12, 2016
Communication from the Examining Division
Oct 6, 2016
Examination started
May 11, 2016
(Electronic) Receipt
May 11, 2016
Amended claims filed after receipt of (European) search report
May 11, 2016
Amended claims with annotations
May 11, 2016
Amended description filed after receipt of (European) search report
May 11, 2016
Amended description with annotations
May 11, 2016
Amendments received before examination
May 11, 2016
Letter accompanying subsequently filed items
Jan 20, 2016
Notification on forthcoming publication of bibliographic data
Nov 3, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 26, 2015
Priority document (electronically transmitted)
Oct 26, 2015
Priority document (electronically transmitted)
Oct 20, 2015
Communication to designated inventor
Oct 20, 2015
Communication to designated inventor
Oct 2, 2015
Copy of the international preliminary report on patentability
Sep 24, 2015
(Electronic) Receipt
Sep 24, 2015
Request for entry into the European phase
Jul 29, 2015
Information on entry into European phase
Oct 14, 2014
Priority document (electronically transmitted)
Oct 14, 2014
Priority document (electronically transmitted)
Sep 25, 2014
Copy of the international search report
Sep 25, 2014
Published international application - A1
Jul 25, 2014
Written opinion of the ISA, boxes No. I to VIII
Jul 25, 2014
Written opinion of the ISA, cover sheet
Jul 25, 2014
Written opinion of the ISA, supplemental box
Apr 28, 2014
Abstract
Apr 28, 2014
Annex
Apr 28, 2014
Claims
Apr 28, 2014
Description
Apr 28, 2014
Drawings

EP2983509

EVONIK DEGUSSA

Application Number: EP14721098A
Filing Date: Mar 14, 2014
Status: Revoked; Oct 22, 2021
Publication Date: Nov 21, 2018
External Links: Slate, Register , Google Patents

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Silica Based Salt Solution Delivery System

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Dossier Documents

EP2983509