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Method Of Treating A Portion Of A Subterranean Formation With Improved Water In Oil Emulsion

Patent No. EP3604351 (titled "Method Of Treating A Portion Of A Subterranean Formation With Improved Water In Oil Emulsion") was filed by Spcm on Jul 19, 2019. The application was issued on Jan 13, 2021.

Patent Summary

Patent Family

Patent Oppositions

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
KEMIRA OYJ	Oct 12, 2021	SANTARELLI

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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Aug 13, 2025
Decision of the Board of Appeal
Aug 13, 2025
F3032 Notification(s) of the decision
Aug 13, 2025
F3032 Notification(s) of the decision
May 22, 2025
F3013 Oral Proceedings: Forwarding minutes
May 22, 2025
F3013 Oral Proceedings: Forwarding minutes
May 22, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 12, 2025
F3345 Forwarding of submissions to parties
May 7, 2025
(Electronic) Receipt
May 7, 2025
Letter accompanying subsequently filed items
May 7, 2025
Letter dealing with oral proceedings during the appeal procedure
May 7, 2025
Non-Patent Literature cited during the appeal procedure
May 7, 2025
Non-Patent Literature cited during the appeal procedure
Apr 17, 2025
F3345 Forwarding of submissions to parties
Apr 16, 2025
(Electronic) Receipt
Apr 16, 2025
Letter accompanying subsequently filed items
Apr 16, 2025
Request for interpreters during oral proceedings
Apr 10, 2025
F3345 Forwarding of submissions to parties
Apr 8, 2025
(Electronic) Receipt
Apr 8, 2025
Letter accompanying subsequently filed items
Apr 8, 2025
Request for interpreters during oral proceedings
Mar 17, 2025
F3345 Forwarding of submissions to parties
Mar 14, 2025
(Electronic) Receipt
Mar 14, 2025
Annexes (other than cited documents) regarding appeal procedure
Mar 14, 2025
Cited document during appeal procedure
Mar 14, 2025
Letter accompanying subsequently filed items
Mar 14, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 17, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 17, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 5, 2024
F3345 Forwarding of submissions to parties
Sep 5, 2024
Oral proceedings: change of venue
Sep 5, 2024
Oral proceedings: change of venue
Sep 2, 2024
(Electronic) Receipt
Sep 2, 2024
Letter accompanying subsequently filed items
Sep 2, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 12, 2024
F3345 Forwarding of submissions to parties
Aug 9, 2024
(Electronic) Receipt
Aug 9, 2024
Letter accompanying subsequently filed items
Aug 9, 2024
Letter dealing with oral proceedings during the appeal procedure
Jun 27, 2024
F3004 Communication of the Registry
Jun 27, 2024
F3004 Communication of the Registry
Jun 27, 2024
F3011.1 Oral Proceedings: summons
Jun 27, 2024
F3011.1 Oral Proceedings: summons
Jun 25, 2024
F3010 Oral proceedings: order for summons
Jun 24, 2024
Composition of the board (T)
Dec 15, 2023
F3345 Forwarding of submissions to parties
Dec 15, 2023
F3345 Forwarding of submissions to parties
Dec 13, 2023
(Electronic) Receipt
Dec 13, 2023
Amended claims with annotations
Dec 13, 2023
Amended claims with annotations
Dec 13, 2023
Amended claims with annotations
Dec 13, 2023
Amended claims with annotations
Dec 13, 2023
Amended claims with annotations
Dec 13, 2023
Annexes (other than cited documents) regarding appeal procedure
Dec 13, 2023
Annexes (other than cited documents) regarding appeal procedure
Dec 13, 2023
Auxiliary request during appeals procedure - 01
Dec 13, 2023
Auxiliary request during appeals procedure - 02
Dec 13, 2023
Auxiliary request during appeals procedure - 03
Dec 13, 2023
Auxiliary request during appeals procedure - 04
Dec 13, 2023
Auxiliary request during appeals procedure - 05
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Main request during appeals procedure
Dec 13, 2023
Reply to appeal
Aug 3, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 31, 2023
(Electronic) Receipt
Jul 31, 2023
Cited document during appeal procedure
Jul 31, 2023
Letter accompanying subsequently filed items
Jul 31, 2023
Statement of grounds of appeal
Jun 1, 2023
F3204 Communication of the file number to the parties
Jun 1, 2023
F3204 Communication of the file number to the parties
May 25, 2023
(Electronic) Receipt
May 25, 2023
Letter accompanying subsequently filed items
May 25, 2023
Notice of appeal
Apr 3, 2023
Advice of delivery
Mar 21, 2023
Annex to the communication - opposition
Mar 21, 2023
Decision of the Opposition Division and instruction
Mar 21, 2023
Druckexemplar in opposition procedure
Mar 21, 2023
Grounds for the decision (Annex) - opposition
Mar 21, 2023
Interlocutory decision in opposition proceedings
Mar 21, 2023
Interlocutory decision in opposition proceedings
Mar 21, 2023
Means of redress
Mar 21, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 21, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 21, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 21, 2023
Provision of a copy of the minutes - opposition procedure
Mar 21, 2023
Provision of a copy of the minutes - opposition procedure
Mar 21, 2023
Scanned annex to a communication - opposition procedure
Mar 21, 2023
Scanned annex to a communication - opposition procedure
Mar 21, 2023
Scanned annex to a communication - opposition procedure
Mar 21, 2023
Transmittal of decision / summons - opposition
Mar 21, 2023
Transmittal of decision / summons - opposition
Feb 16, 2023
Information about the result of oral proceedings
Feb 14, 2023
Consolidated list of cited opposition documents
Feb 1, 2023
Brief communication - Opposition proceedings
Jan 25, 2023
(Electronic) Receipt
Jan 25, 2023
Letter accompanying subsequently filed items
Jan 25, 2023
Written submission in preparation to/during oral proceedings
Jan 2, 2023
Brief communication - Opposition proceedings
Dec 23, 2022
Brief communication - Opposition proceedings
Dec 16, 2022
(Electronic) Receipt
Dec 16, 2022
Any annexes (other than citation) to an opposition letter
Dec 16, 2022
Letter accompanying subsequently filed items
Dec 16, 2022
Written submission in preparation to/during oral proceedings
Dec 15, 2022
(Electronic) Receipt
Dec 15, 2022
Amended description with annotations
Dec 15, 2022
Description
Dec 15, 2022
Letter accompanying subsequently filed items
Dec 15, 2022
Written submission in preparation to/during oral proceedings
Dec 15, 2022
Written submission in preparation to/during oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Jun 10, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
Advice of delivery
Jun 2, 2022
Annex to the communication - opposition
Jun 2, 2022
Information concerning oral proceedings
Jun 2, 2022
Summons to attend oral proceedings
Jun 2, 2022
Summons to attend oral proceedings
Jun 2, 2022
Transmittal of decision / summons - opposition
Jun 2, 2022
Transmittal of decision / summons - opposition
May 31, 2022
(Electronic) Receipt
May 31, 2022
Citation in opposition procedure - 013
May 31, 2022
Consolidated list of cited opposition documents
May 31, 2022
Letter accompanying subsequently filed items
May 31, 2022
Letter regarding the opposition procedure (no time limit)
Feb 18, 2022
Brief communication - Opposition proceedings
Feb 14, 2022
(Electronic) Receipt
Feb 14, 2022
Auxiliary request during Opposition procedure
Feb 14, 2022
Auxiliary request during Opposition procedure
Feb 14, 2022
Auxiliary request during Opposition procedure
Feb 14, 2022
Auxiliary request during Opposition procedure
Feb 14, 2022
Auxiliary request during Opposition procedure
Feb 14, 2022
Auxiliary request during Opposition procedure - 01
Feb 14, 2022
Auxiliary request during Opposition procedure - 02
Feb 14, 2022
Auxiliary request during Opposition procedure - 03
Feb 14, 2022
Auxiliary request during Opposition procedure - 04
Feb 14, 2022
Auxiliary request during Opposition procedure - 05
Feb 14, 2022
Letter accompanying subsequently filed items
Feb 14, 2022
Main request during Opposition procedure
Feb 14, 2022
Main request during Opposition procedure
Feb 14, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 14, 2022
Reply of the patent proprietor to the notice(s) of opposition
Oct 27, 2021
Communication of a notice of opposition and request to file observations
Oct 27, 2021
Notice of further oppositions to opponent(s)
Oct 18, 2021
Communication of a notice of opposition - first information to patent proprietor
Oct 12, 2021
(Electronic) Receipt
Oct 12, 2021
Citation in opposition procedure - 001
Oct 12, 2021
Citation in opposition procedure - 002
Oct 12, 2021
Citation in opposition procedure - 003
Oct 12, 2021
Citation in opposition procedure - 004
Oct 12, 2021
Citation in opposition procedure - 005
Oct 12, 2021
Citation in opposition procedure - 006
Oct 12, 2021
Citation in opposition procedure - 007
Oct 12, 2021
Citation in opposition procedure - 008
Oct 12, 2021
Citation in opposition procedure - 009
Oct 12, 2021
Citation in opposition procedure - 010
Oct 12, 2021
Citation in opposition procedure - 011
Oct 12, 2021
Citation in opposition procedure - 012
Oct 12, 2021
Consolidated list of cited opposition documents
Oct 12, 2021
Notice of opposition
Oct 12, 2021
Notice of opposition
Jan 25, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 17, 2020
Decision to grant a European patent
Dec 2, 2020
(Electronic) Receipt
Dec 2, 2020
Filing of the translations of the claims
Dec 2, 2020
French translation of claims
Dec 2, 2020
German translation of the claims
Dec 2, 2020
Letter accompanying subsequently filed items
Sep 21, 2020
Bibliographic data of the European patent application
Sep 21, 2020
Communication about intention to grant a European patent
Sep 21, 2020
Intention to grant (signatures)
Sep 21, 2020
Text intended for grant (clean copy)
Sep 21, 2020
Text intended for grant (version for approval)
Aug 27, 2020
Examination started
Jul 3, 2020
(Electronic) Receipt
Jul 3, 2020
Amended claims filed after receipt of (European) search report
Jul 3, 2020
Amended claims with annotations
Jul 3, 2020
Amendments received before examination
Jul 3, 2020
Letter accompanying subsequently filed items
Feb 10, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 9, 2020
Notification of forthcoming publication
Nov 13, 2019
Refund of fees
Nov 12, 2019
Communication regarding the transmission of the European search report
Nov 12, 2019
European search opinion
Nov 12, 2019
European search report
Nov 12, 2019
Information on Search Strategy
Nov 7, 2019
Priority search results copy provided by EPO
Oct 25, 2019
Letter concerning the priority
Oct 25, 2019
Priority document
Oct 24, 2019
Invitation to indicate correct address of inventor
Oct 24, 2019
Invitation to indicate correct address of inventor
Oct 18, 2019
Letter which had not been notified
Oct 17, 2019
Letter which had not been notified
Sep 11, 2019
Communication to designated inventor
Sep 11, 2019
Communication to designated inventor
Jul 19, 2019
Abstract
Jul 19, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 19, 2019
Claims
Jul 19, 2019
Description
Jul 19, 2019
Designation of inventor
Jul 19, 2019
Request for grant of a European patent

EP3604351

SPCM

Application Number: EP19187328A
Filing Date: Jul 19, 2019
Status: Revoked; Aug 15, 2025
Publication Date: Jan 13, 2021
External Links: Slate, Register , Google Patents