Low Free Formaldehyde Phenolic Resins For Abrasive Products

Patent No. EP2621973 (titled "Low Free Formaldehyde Phenolic Resins For Abrasive Products") was filed by Dynea Chemicals on Sep 30, 2011. The application was issued on Nov 5, 2014.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
HUNTSMAN ADVANCED MATERIALS SWITZERLAND	Aug 4, 2015	BOHEST
HEXION GMBH	Jun 19, 2015	PALINSKY

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

Feb 21, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 21, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 21, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Feb 16, 2018
Termination of the opposition proceedings with revocation of patent
Nov 15, 2017
Advice of delivery
Nov 14, 2017
Advice of delivery
Nov 14, 2017
Advice of delivery
Nov 6, 2017
Acknowledgement of a document
Nov 6, 2017
Acknowledgement of a document
Nov 6, 2017
Acknowledgement of a document
Nov 6, 2017
Annex to the communication - opposition
Nov 6, 2017
Decision of the Opposition Division and instruction
Nov 6, 2017
Decision revoking the European patent
Nov 6, 2017
Grounds for the decision (Annex) - opposition
Nov 6, 2017
Internal form - Opposition/addressees
Nov 6, 2017
Internal form - Opposition/addressees
Nov 6, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 6, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 6, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 6, 2017
Provision of a copy of the minutes - opposition procedure
Nov 6, 2017
Scanned annex to a communication - opposition procedure
Nov 6, 2017
Scanned annex to a communication - opposition procedure
Oct 11, 2017
Information about the result of oral proceedings
Oct 5, 2017
Any annexes (other than citation) to an opposition letter
Oct 5, 2017
Letter regarding the opposition procedure (no time limit)
Oct 5, 2017
Letter regarding the opposition procedure (no time limit)
Oct 4, 2017
Letter regarding the opposition procedure (no time limit)
Oct 3, 2017
Brief communication - Opposition proceedings
Oct 3, 2017
Brief communication - Opposition proceedings
Sep 29, 2017
Any annexes (other than citation) to an opposition letter
Sep 29, 2017
Letter regarding the opposition procedure (no time limit)
Sep 29, 2017
Letter regarding the opposition procedure (no time limit)
Sep 29, 2017
Non-patent literature cited during the opposition procedure
Sep 29, 2017
Non-patent literature cited during the opposition procedure
Sep 29, 2017
Non-patent literature cited during the opposition procedure
Sep 29, 2017
Non-patent literature cited during the opposition procedure
Sep 20, 2017
Brief communication - Opposition proceedings
Sep 20, 2017
Brief communication - Opposition proceedings
Sep 14, 2017
Any annexes (other than citation) to an opposition letter
Sep 14, 2017
Letter regarding the opposition procedure (no time limit)
Aug 31, 2017
Request for a change of address - opponent
Aug 28, 2017
Notification concerning the date of oral proceedings
Aug 28, 2017
Notification concerning the date of oral proceedings
Aug 28, 2017
Notification concerning the date of oral proceedings
Aug 21, 2017
Letter regarding the opposition procedure (no time limit)
Aug 17, 2017
Brief communication - Opposition proceedings
Aug 17, 2017
Brief communication - Opposition proceedings
Aug 10, 2017
Letter regarding the opposition procedure (no time limit)
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 10, 2017
Non-patent literature cited during the opposition procedure
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 1, 2017
Claims
Aug 1, 2017
Clean copy of claims in the opposition procedure
Aug 1, 2017
Letter regarding the opposition procedure (no time limit)
May 3, 2017
Request for interpreters during oral proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 4, 2017
Request for interpreters during oral proceedings
Mar 24, 2017
Request for interpreters during oral proceedings
Aug 8, 2016
Advice of delivery
Jul 22, 2016
Advice of delivery
Jul 15, 2016
Letter regarding the opposition procedure (no time limit)
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 15, 2016
Patent document cited during the opposition procedure
Jul 11, 2016
Advice of delivery
Jul 11, 2016
Advice of delivery
Jul 4, 2016
Advice of delivery
Jun 28, 2016
Acknowledgement of a document
Jun 28, 2016
Acknowledgement of a document
Jun 28, 2016
Acknowledgement of a document
Jun 28, 2016
Annex to the communication - opposition
Jun 28, 2016
Information concerning oral proceedings
Jun 28, 2016
Preparation for oral proceedings
Jun 28, 2016
Summons to attend oral proceedings
Jun 28, 2016
Summons to attend oral proceedings
Jun 28, 2016
Summons to attend oral proceedings
Mar 15, 2016
Brief communication - Opposition proceedings
Mar 15, 2016
Brief communication - Opposition proceedings
Mar 9, 2016
Citation in opposition procedure
Mar 9, 2016
Main request during Opposition procedure
Mar 9, 2016
Main request during Opposition procedure
Mar 9, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 16, 2016
Communication of amended entries concerning the representative
Feb 11, 2016
Submission concerning change of applicant's representative
Jan 15, 2016
Grant of extension of time limit (opposition procedure)
Jan 11, 2016
Request for extension of time limit
Oct 16, 2015
Communication of amended entries concerning the representative
Oct 7, 2015
Communication of amended entries concerning the representative
Oct 7, 2015
Communication of the registration of a transfer or change of name and/or address
Oct 5, 2015
Submission concerning representation
Oct 2, 2015
(Electronic) Receipt
Oct 2, 2015
Letter accompanying subsequently filed items
Oct 2, 2015
Request for assignment
Oct 2, 2015
Request for assignment
Oct 2, 2015
Request for transfer of rights - opponent
Sep 14, 2015
Communication of a notice of opposition and request to file observations
Sep 14, 2015
Notice of further oppositions to opponent(s)
Sep 14, 2015
Notice of further oppositions to opponent(s)
Aug 12, 2015
Communication of a notice of opposition - first information to patent proprietor
Aug 4, 2015
Citation in opposition procedure
Aug 4, 2015
Filing of a new opposition
Aug 4, 2015
Non-patent literature cited during the opposition procedure
Aug 4, 2015
Non-patent literature cited during the opposition procedure
Aug 4, 2015
Non-patent literature cited during the opposition procedure
Aug 4, 2015
Non-patent literature cited during the opposition procedure
Aug 4, 2015
Notice of opposition
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Aug 4, 2015
Patent document cited during the opposition procedure
Jul 8, 2015
Communication of a notice of opposition - first information to patent proprietor
Jun 27, 2015
Non-patent literature cited during the opposition procedure
Jun 27, 2015
Non-patent literature cited during the opposition procedure
Jun 27, 2015
Non-patent literature cited during the opposition procedure
Jun 27, 2015
Non-patent literature cited during the opposition procedure
Jun 27, 2015
Notice of opposition
Jun 27, 2015
Patent document cited during the opposition procedure
Jun 27, 2015
Patent document cited during the opposition procedure
Jun 27, 2015
Patent document cited during the opposition procedure
Jun 27, 2015
Patent document cited during the opposition procedure
Jun 27, 2015
Payment of fees and costs
Jun 19, 2015
Notice of opposition
Jun 19, 2015
Notice of opposition
Jun 19, 2015
Payment of fees and costs
Jun 19, 2015
Payment of fees and costs
Nov 5, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 9, 2014
Decision to grant a European patent
Sep 1, 2014
(Electronic) Receipt
Sep 1, 2014
Filing of the translations of the claims
Sep 1, 2014
French translation of claims
Sep 1, 2014
German translation of the claims
Sep 1, 2014
Letter accompanying subsequently filed items
Jul 16, 2014
Bibliographic data of the European patent application
Jul 16, 2014
Communication about intention to grant a European patent
Jul 16, 2014
Intention to grant (signatures)
Jul 16, 2014
Text intended for grant
Jun 6, 2014
(Electronic) Receipt
Jun 6, 2014
Amended description with annotations
Jun 6, 2014
Description
Jun 6, 2014
Letter accompanying subsequently filed items
Jun 6, 2014
Reply to communication from the Examining Division
Apr 17, 2014
Annex to the communication
Apr 17, 2014
Communication from the Examining Division
Jul 10, 2013
Notification on forthcoming publication of bibliographic data
May 8, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
May 6, 2013
Communication to designated inventor
Apr 9, 2013
Annexes to the international preliminary examination report
Apr 9, 2013
Copy of the international preliminary examination report
Apr 5, 2013
Notification of the recording of a change
Apr 5, 2013
Notification of the recording of a change
Apr 4, 2013
(Electronic) Receipt
Apr 4, 2013
Amended claims filed after receipt of (European) search report
Apr 4, 2013
Amended description filed after receipt of (European) search report
Apr 4, 2013
Request for entry into the European phase
Feb 8, 2013
Information on entry into European phase
Dec 14, 2012
Annex to International preliminary examination report
Dec 14, 2012
International preliminary examination report
Dec 14, 2012
International preliminary examination report
Dec 14, 2012
International preliminary examination report
Dec 14, 2012
International preliminary examination report
Dec 14, 2012
International preliminary examination report - free text sheet
Dec 14, 2012
International preliminary examination report - free text sheet
Dec 14, 2012
International preliminary examination report - points I-VIII
Dec 14, 2012
International preliminary examination report - points I-VIII
Dec 14, 2012
Notification of documents sent to WIPO
Dec 14, 2012
Transmittal of International Preliminary Examination Report
Sep 11, 2012
Notification of election of EPO
Aug 21, 2012
Notification of documents sent to WIPO
Aug 21, 2012
Notification of receipt of demand
Aug 17, 2012
Document concerning fees and payments
Aug 17, 2012
Letter regarding PCTII procedure
Aug 17, 2012
PCT demand form
Aug 15, 2012
Letter regarding PCTII procedure
Jul 25, 2012
Invitation to correct defects in demand
Jul 19, 2012
Annex
Jul 19, 2012
PCT(IPEA): Amended sheet - claims
Jul 19, 2012
PCT(IPEA): Amended sheet - claims
Jul 19, 2012
PCT(IPEA): Amended sheet - description
Jul 16, 2012
Letter regarding PCTII procedure
Jul 16, 2012
PCT demand form
Jul 16, 2012
PCT(IPEA): Amended sheet - claims
Jul 16, 2012
PCT(IPEA): Amended sheet - claims
Jul 16, 2012
PCT(IPEA): Amended sheet - description
Apr 25, 2012
Priority document (electronically transmitted)
Apr 5, 2012
Copy of the international search report
Apr 5, 2012
Published international application - A1
Mar 13, 2012
Notification of the recording of a change
Nov 21, 2011
Written opinion of the ISA, boxes No. I to VIII
Nov 21, 2011
Written opinion of the ISA, cover sheet
Nov 21, 2011
Written opinion of the ISA, supplemental box
Sep 30, 2011
(Electronic) Receipt
Sep 30, 2011
Abstract
Sep 30, 2011
Claims
Sep 30, 2011
Description

EP2621973

DYNEA CHEMICALS

Application Number: EP11767228A
Filing Date: Sep 30, 2011
Status: Revoked; Feb 23, 2018
Publication Date: Nov 5, 2014
External Links: Slate, Register , Google Patents

IP Verse

Low Free Formaldehyde Phenolic Resins For Abrasive Products

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2621973