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IP Verse

Waterborne Acrylic Dispersions With High Biorenewable Content - EP3555217

The patent EP3555217 was granted to Celanese on Feb 17, 2021. The application was filed on Oct 30, 2017 under application number EP17807955A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3555217

CELANESE

Application Number: EP17807955A
Filing Date: Oct 30, 2017
Status: Opposition Rejected; Sep 22, 2023
Publication Date: Feb 17, 2021
External Links: Slate, Register, Google Patents

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	Opposition Status
BASF	Nov 17, 2021	BASF ASSOCIATION	-

Patent Citations (32) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	DE2535372
DESCRIPTION	US2014058031
DESCRIPTION	US2014065435
DESCRIPTION	US2014243552
DESCRIPTION	US2015099843
DESCRIPTION	US4104220
DESCRIPTION	US4111877
DESCRIPTION	US4219454
DESCRIPTION	US4228277
DESCRIPTION	US4319032
DESCRIPTION	US4352916
DESCRIPTION	US4492780
DESCRIPTION	US4599417
DESCRIPTION	US4684704
DESCRIPTION	US5208285
DESCRIPTION	US5889098
DESCRIPTION	US8889783
DESCRIPTION	WO2015150508
DESCRIPTION	WO2015197662
DESCRIPTION	WO2016118502
DESCRIPTION	WO2016128574
INTERNATIONAL-SEARCH-REPORT	US2011282000
INTERNATIONAL-SEARCH-REPORT	US2014058031
INTERNATIONAL-SEARCH-REPORT	US2014065435
OPPOSITION	EP0854153
OPPOSITION	JP2013227361
OPPOSITION	JP2015007256
OPPOSITION	US2014080967
OPPOSITION	US9593191
OPPOSITION	WO2007026949
OPPOSITION	WO2011009228
OPPOSITION	WO2014207389

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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Sep 20, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
OPPO
Sep 20, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
OPPO
Sep 15, 2023
Termination of the opposition proceedings with maintenance of patent
OPPO
Jun 6, 2023
Advice of delivery
OPPO
Jun 5, 2023
Decision rejecting the opposition
OPPO
Jun 5, 2023
Decision rejecting the opposition
OPPO
Jun 5, 2023
Grounds for the decision (Annex) - opposition
OPPO
Jun 5, 2023
Means of redress
OPPO
Jun 5, 2023
Scanned annex to a communication - opposition procedure
OPPO
Jun 5, 2023
Transmittal of decision / summons - opposition
OPPO
Jun 5, 2023
Transmittal of decision / summons - opposition
OPPO
Jun 1, 2023
Decision of the Opposition Division and instruction
OPPO
May 15, 2023
Brief communication - Opposition proceedings
OPPO
May 15, 2023
Brief communication - Opposition proceedings
OPPO
May 15, 2023
Notification concerning the date of oral proceedings
OPPO
May 15, 2023
Notification concerning the date of oral proceedings
OPPO
May 4, 2023
(Electronic) Receipt
OPPO
May 4, 2023
(Electronic) Receipt
OPPO
May 4, 2023
Auxiliary request during Opposition procedure
OPPO
May 4, 2023
Auxiliary request during Opposition procedure
OPPO
May 4, 2023
Auxiliary request during Opposition procedure
OPPO
May 4, 2023
Auxiliary request during Opposition procedure
OPPO
May 4, 2023
Auxiliary request during Opposition procedure - 05
OPPO
May 4, 2023
Auxiliary request during Opposition procedure - 06
OPPO
May 4, 2023
Auxiliary request during Opposition procedure - 07
OPPO
May 4, 2023
Auxiliary request during Opposition procedure - 08
OPPO
May 4, 2023
Letter accompanying subsequently filed items
OPPO
May 4, 2023
Letter accompanying subsequently filed items
OPPO
May 4, 2023
Written submission in preparation to/during oral proceedings
OPPO
May 4, 2023
Written submission in preparation to/during oral proceedings
OPPO
Jan 23, 2023
Notification concerning the date of oral proceedings
OPPO
Jan 23, 2023
Notification concerning the date of oral proceedings
OPPO
Nov 30, 2022
Document concerning representation
Search/Exam
Sep 2, 2022
Advice of delivery
OPPO
Sep 1, 2022
Annex to the communication - opposition
OPPO
Sep 1, 2022
Information concerning oral proceedings
OPPO
Sep 1, 2022
Scanned annex to a communication - opposition procedure
OPPO
Sep 1, 2022
Summons to attend oral proceedings
OPPO
Sep 1, 2022
Summons to attend oral proceedings
OPPO
Sep 1, 2022
Transmittal of decision / summons - opposition
OPPO
Sep 1, 2022
Transmittal of decision / summons - opposition
OPPO
Apr 21, 2022
Communication for party to proceedings/third party
OPPO
Apr 11, 2022
(Electronic) Receipt
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure - 01
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure - 02
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure - 03
OPPO
Apr 11, 2022
Auxiliary request during Opposition procedure - 04
OPPO
Apr 11, 2022
Letter accompanying subsequently filed items
OPPO
Apr 11, 2022
Letter regarding the opposition procedure (no time limit)
OPPO
Apr 11, 2022
Main request during Opposition procedure
OPPO
Apr 11, 2022
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Mar 16, 2022
Brief communication - Opposition proceedings
OPPO
Mar 16, 2022
Communication confirming withdrawal from representation
OPPO
Mar 16, 2022
Communication of amended entries concerning the representative
OPPO
Mar 10, 2022
(Electronic) Receipt
OPPO
Mar 10, 2022
Letter accompanying subsequently filed items (CDR)
OPPO
Mar 10, 2022
Submission concerning change of proprietor's representative
OPPO
Feb 2, 2022
Communication of amended entries concerning the representative
OPPO
Jan 27, 2022
Letter accompanying subsequently filed items (CDR)
OPPO
Jan 27, 2022
Submission concerning change of proprietor's representative
OPPO
Dec 1, 2021
Communication of a notice of opposition and request to file observations
OPPO
Dec 1, 2021
Notice of further oppositions to opponent(s)
OPPO
Nov 23, 2021
Communication of a notice of opposition - first information to patent proprietor
OPPO
Nov 17, 2021
(Electronic) Receipt
OPPO
Nov 17, 2021
Citation in opposition procedure - 001
OPPO
Nov 17, 2021
Citation in opposition procedure - 002
OPPO
Nov 17, 2021
Citation in opposition procedure - 003
OPPO
Nov 17, 2021
Citation in opposition procedure - 004
OPPO
Nov 17, 2021
Citation in opposition procedure - 005
OPPO
Nov 17, 2021
Citation in opposition procedure - 005
OPPO
Nov 17, 2021
Citation in opposition procedure - 006
OPPO
Nov 17, 2021
Citation in opposition procedure - 007
OPPO
Nov 17, 2021
Citation in opposition procedure - 007
OPPO
Nov 17, 2021
Consolidated list of cited opposition documents
OPPO
Nov 17, 2021
Letter accompanying subsequently filed items
OPPO
Nov 17, 2021
Notice of opposition
OPPO
Nov 17, 2021
Notice of opposition
OPPO
Mar 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Jan 21, 2021
Decision to grant a European patent
Search/Exam
Jan 8, 2021
(Electronic) Receipt
Search/Exam
Jan 8, 2021
French translation of claims
Search/Exam
Jan 8, 2021
German translation of the claims
Search/Exam
Jan 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2020
Communication of the registration of a transfer or change of name and/or address
Search/Exam
Nov 24, 2020
(Electronic) Receipt
Search/Exam
Nov 24, 2020
Submission concerning change of applicant's address
Search/Exam
Sep 15, 2020
Bibliographic data of the European patent application
Search/Exam
Sep 15, 2020
Communication about intention to grant a European patent
Search/Exam
Sep 15, 2020
Intention to grant (signatures)
Search/Exam
Sep 15, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 15, 2020
Text intended for grant (version for approval)
Search/Exam
Jul 28, 2020
Examination started
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
Amended claims filed after receipt of (European) search report
Search/Exam
Jan 27, 2020
Amended claims with annotations
Search/Exam
Jan 27, 2020
Amendments received before examination
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2019
Notification on forthcoming publication of bibliographic data
Search/Exam
Jul 26, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Search/Exam
Jul 24, 2019
Communication to designated inventor
Search/Exam
Jul 24, 2019
Communication to designated inventor
Search/Exam
Jul 24, 2019
Communication to designated inventor
Search/Exam
Jul 9, 2019
Copy of the international preliminary report on patentability
Search/Exam
May 27, 2019
(Electronic) Receipt
Search/Exam
May 27, 2019
Request for entry into the European phase
Search/Exam
May 6, 2019
Information on entry into European phase
Search/Exam
Jul 17, 2018
Priority document (electronically transmitted)
Search/Exam
Jun 28, 2018
Copy of the international search report
Search/Exam
Jun 28, 2018
Published international application - A1
Search/Exam
Jan 17, 2018
ISR: cited documents
PCTISA
Jan 16, 2018
Written opinion of the ISA, boxes No. I to VIII
PCTISA
Jan 16, 2018
Written opinion of the ISA, cover sheet
PCTISA
Jan 16, 2018
Written opinion of the ISA, supplemental box
PCTISA
Dec 14, 2017
Notification of receipt of Search copy
PCTISA
Nov 13, 2017
Abstract
PCTISA
Nov 13, 2017
Annex
PCTISA
Nov 13, 2017
Claims
PCTISA
Nov 13, 2017
Description
PCTISA
Nov 13, 2017
Fee calculation sheet for an international application
PCTISA
Nov 13, 2017
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
PCTISA
Nov 13, 2017
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
PCTISA
Nov 13, 2017
Request form for international application (copy for ISA/EP)
PCTISA