Process For Preparing Polyether Alcohols

Patent No. EP2603543 (titled "Process For Preparing Polyether Alcohols") was filed by Basf on Aug 8, 2011. The application was issued on Jan 7, 2015.

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
EHRFELD MIKROTECHNIK BTS	Oct 7, 2015	LUTJENS

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

Nov 6, 2017
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 31, 2017
Termination of the opposition proceedings with maintenance of patent
Oct 2, 2017
Communication of amended entries concerning the representative
Sep 30, 2017
Letter relating to the automatic debiting procedure
Sep 26, 2017
Submission concerning change of applicant's representative
Jul 31, 2017
Advice of delivery
Jul 21, 2017
Advice of delivery
Jul 20, 2017
Acknowledgement of a document
Jul 20, 2017
Decision of the Opposition Division and instruction
Jul 20, 2017
Decision rejecting the opposition
Jul 20, 2017
Grounds for the decision (Annex) - opposition
Jul 20, 2017
Internal form - Opposition/addressees
Feb 24, 2017
(Electronic) Receipt
Feb 24, 2017
Letter accompanying subsequently filed items
Feb 24, 2017
Reply to an examination report in opposition proceedings
Feb 14, 2017
Annex to the communication - opposition
Feb 14, 2017
Communication inviting the parties to file observations
Feb 14, 2017
Internal form - Opposition/addressees
Feb 3, 2017
Communication of the registration of a transfer or change of name and/or address
Jan 30, 2017
(Electronic) Receipt
Jan 30, 2017
Annexes in respect of a client data request
Jan 30, 2017
Letter accompanying subsequently filed items
Jan 30, 2017
Submission concerning a transfer of rights (applicant)
Jan 18, 2017
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Dec 15, 2016
Annexes in respect of a client data request
Dec 15, 2016
Submission concerning a transfer of rights (applicant)
Nov 9, 2016
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Oct 18, 2016
(Electronic) Receipt
Oct 18, 2016
Annexes in respect of a client data request
Oct 18, 2016
Letter accompanying subsequently filed items
Oct 18, 2016
Submission concerning a transfer of rights (applicant)
Sep 21, 2016
Communication confirming withdrawal from representation
Sep 21, 2016
Communication of amended entries concerning the representative
Aug 8, 2016
(Electronic) Receipt
Aug 8, 2016
Letter accompanying subsequently filed items
Aug 8, 2016
Submission concerning change of applicant's representative
Jul 26, 2016
Brief communication - Opposition proceedings
Jul 8, 2016
Confirmation of revocation of automatic debit order
Jul 5, 2016
Letter relating to the automatic debiting procedure
Jun 20, 2016
Brief communication - Opposition proceedings
Jun 20, 2016
Brief communication - Opposition proceedings
Jun 17, 2016
Brief communication - Opposition proceedings
Jun 15, 2016
(Electronic) Receipt
Jun 15, 2016
Letter accompanying subsequently filed items
Jun 15, 2016
Withdrawal of an opposition
Jun 10, 2016
(Electronic) Receipt
Jun 10, 2016
Letter accompanying subsequently filed items
Jun 10, 2016
Reply of the patent proprietor to the notice(s) of opposition
May 24, 2016
Brief communication - Opposition proceedings
May 24, 2016
Grant of extension of time limit (opposition procedure)
May 18, 2016
(Electronic) Receipt
May 18, 2016
Letter accompanying subsequently filed items
May 18, 2016
Request for extension of time limit
Mar 21, 2016
Brief communication - Opposition proceedings
Mar 21, 2016
Grant of extension of time limit (opposition procedure)
Mar 18, 2016
Request for extension of time limit
Mar 15, 2016
Request for extension of time limit
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Dec 3, 2015
Brief communication - Opposition proceedings
Dec 3, 2015
Communication of amended entries concerning the representative
Nov 19, 2015
Miscellaneous requests concerning client data
Nov 18, 2015
Submission concerning change of applicant's representative
Nov 13, 2015
Communication of a notice of opposition and request to file observations
Nov 13, 2015
Notice of further oppositions to opponent(s)
Oct 14, 2015
Communication of a notice of opposition - first information to patent proprietor
Oct 7, 2015
(Electronic) Receipt
Oct 7, 2015
Any annexes (other than citation) to an opposition letter
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Non-patent literature cited during the opposition procedure
Oct 7, 2015
Notice of opposition
Oct 7, 2015
Notice of opposition
Oct 7, 2015
Patent document cited during the opposition procedure
Oct 7, 2015
Patent document cited during the opposition procedure
Oct 7, 2015
Patent document cited during the opposition procedure
Oct 7, 2015
Patent document cited during the opposition procedure
Jan 7, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 11, 2014
Decision to grant a European patent
Dec 1, 2014
(Electronic) Receipt
Dec 1, 2014
English translation of the claims
Dec 1, 2014
Filing of the translations of the claims
Dec 1, 2014
French translation of claims
Sep 19, 2014
Communication confirming withdrawal from representation
Sep 19, 2014
Notification of termination of representative's authorisation
Sep 15, 2014
(Electronic) Receipt
Sep 15, 2014
Letter accompanying subsequently filed items
Sep 15, 2014
Submission concerning change of applicant's representative
Aug 19, 2014
Bibliographic data of the European patent application
Aug 19, 2014
Communication about intention to grant a European patent
Aug 19, 2014
Intention to grant (signatures)
Aug 19, 2014
Text intended for grant
Jun 30, 2014
Examination started
May 16, 2014
Submission concerning representation
Jan 30, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 30, 2014
Submission concerning representation
Dec 16, 2013
Statement of non-availability of priority search results
Nov 6, 2013
Invitation to file a copy of search results(priority)
May 23, 2013
Notification on forthcoming publication of bibliographic data
Mar 22, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 20, 2013
Communication to designated inventor
Mar 20, 2013
Communication to designated inventor
Mar 20, 2013
Communication to designated inventor
Mar 20, 2013
Communication to designated inventor
Mar 20, 2013
Communication to designated inventor
Feb 18, 2013
Annexes to the international preliminary examination report
Feb 18, 2013
Copy of the international preliminary examination report
Feb 7, 2013
Annex to International preliminary examination report
Feb 7, 2013
Free text
Feb 7, 2013
Notification of documents sent to WIPO
Jan 16, 2013
(Electronic) Receipt
Jan 16, 2013
Request for entry into the European phase
Dec 21, 2012
Information on entry into European phase
Aug 28, 2012
International preliminary examination report
Aug 28, 2012
International preliminary examination report
Aug 28, 2012
International preliminary examination report - free text sheet
Aug 28, 2012
International preliminary examination report - free text sheet
Aug 28, 2012
International preliminary examination report - points I-VIII
Aug 28, 2012
International preliminary examination report - points I-VIII
Aug 28, 2012
Notification of documents sent to WIPO
Aug 28, 2012
Transmittal of International Preliminary Examination Report
Aug 14, 2012
Reply to communication PCT/IPEA/408
Aug 13, 2012
Reply to communication PCT/IPEA/408
Aug 7, 2012
Notification of the recording of a change
Aug 7, 2012
Notification of the recording of a change
Jul 24, 2012
Notification of documents sent to WIPO
Jul 17, 2012
Letter regarding PCTII procedure
Jul 16, 2012
Letter regarding PCTII procedure
Jul 11, 2012
Written opinion
Jul 11, 2012
Written opinion - free text sheet
Jul 11, 2012
Written opinion - points I-VIII
Jul 6, 2012
Letter regarding PCTII procedure
Jul 6, 2012
PCT(IPEA): Amended sheet - claims
Jul 6, 2012
PCT(IPEA): Amended sheet - claims
Jul 4, 2012
Letter regarding PCTII procedure
Jul 4, 2012
PCT(IPEA): Amended sheet - claims
Jul 4, 2012
PCT(IPEA): Amended sheet - claims
Jun 21, 2012
Notification of documents sent to WIPO
Jun 13, 2012
Reply to Form IPEA424
Jun 8, 2012
Free text
May 31, 2012
Notification of defects in the demand
May 12, 2012
PCT demand form
May 12, 2012
PCT(IPEA): Amended sheet - claims
May 12, 2012
PCT(IPEA): Amended sheet - claims
May 7, 2012
Notification of documents sent to WIPO
May 7, 2012
Notification of receipt of demand
May 2, 2012
Document concerning fees and payments
May 2, 2012
PCT demand form
May 2, 2012
PCT(IPEA): Amended sheet - claims
May 2, 2012
PCT(IPEA): Amended sheet - claims
Mar 6, 2012
Priority document (electronically transmitted)
Feb 16, 2012
Copy of the international search report
Feb 16, 2012
Published international application - A1
Oct 14, 2011
Written opinion of the ISA, boxes No. I to VIII
Oct 14, 2011
Written opinion of the ISA, cover sheet
Oct 14, 2011
Written opinion of the ISA, supplemental box
Aug 8, 2011
(Electronic) Receipt
Aug 8, 2011
Abstract
Aug 8, 2011
Claims
Aug 8, 2011
Description
Aug 8, 2011
Drawings

EP2603543

BASF

Application Number: EP11745952A
Filing Date: Aug 8, 2011
Status: Opposition Rejected; Nov 3, 2017
Publication Date: Jan 7, 2015
External Links: Slate, Register , Google Patents

IP Verse

Process For Preparing Polyether Alcohols

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2603543