Waterborne Acrylic Dispersions With High Biorenewable Content

Patent No. EP3555217 (titled "Waterborne Acrylic Dispersions With High Biorenewable Content") was filed by Celanese on Oct 30, 2017. The application was issued on Feb 17, 2021.

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
BASF	Nov 17, 2021	BASF ASSOCIATION

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

Get instant alerts for new documents

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

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

IP Verse

Waterborne Acrylic Dispersions With High Biorenewable Content

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3555217