Method For Manufacturing Alpha-Calcium Sulphate Hemi-Hydrate

Patent No. EP2418184 (titled "Method For Manufacturing Alpha-Calcium Sulphate Hemi-Hydrate") was filed by Lindner GFT on Aug 8, 2011. 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
SAINT GOBAIN	Nov 9, 2016	MURGITROYD

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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Jan 21, 2021
Decision to maintain the European patent in amended form
Jan 21, 2021
Decision to maintain the European patent in amended form
Jan 15, 2021
Termination of the opposition proceedings with maintenance of patent
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
English translation of the claims
Jan 7, 2021
Filing of the translation of the amended claims
Jan 7, 2021
French translation of claims
Jan 7, 2021
Letter accompanying subsequently filed items
Nov 18, 2020
Communication of bibliographic data
Nov 18, 2020
Communication to opponent concerning maintenance
Nov 18, 2020
Communication with request to file translations
Nov 10, 2020
Maintenance of the patent with the documents specified in the final decision
Sep 21, 2020
Advice of delivery
Sep 18, 2020
Communication about missing proof of delivery
Sep 8, 2020
Refund of fees
Sep 4, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 4, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 3, 2020
Maintenance of the patent with the documents specified in the final decision
Aug 14, 2020
Advice of delivery
Aug 12, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 12, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 12, 2020
F3936 Acknowledgement of receipt Board of Appeal
Aug 12, 2020
F3936 Acknowledgement of receipt Board of Appeal
Aug 7, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 5, 2020
Withdrawal of an appeal
Jul 2, 2020
Advice of delivery
Jun 26, 2020
Advice of delivery
Jun 23, 2020
F3011.1 Oral Proceedings: summons
Jun 23, 2020
F3011.1 Oral Proceedings: summons
Jun 23, 2020
F3936 Acknowledgement of receipt Board of Appeal
Jun 23, 2020
F3936 Acknowledgement of receipt Board of Appeal
Jun 18, 2020
F3010 Oral proceedings: order for summons
May 6, 2020
Annexes in respect of a client data request
May 6, 2020
Letter accompanying subsequently filed items
May 6, 2020
Submission concerning change of applicant's address
Mar 20, 2019
Communication of amended entries in the Register of European Patents
Mar 20, 2019
F3345 Forwarding of submissions to parties
Mar 18, 2019
Composition of the board (T)
Mar 13, 2019
Request for change of opponent's representative
Mar 8, 2019
Request for change of opponent's representative
Jan 3, 2019
F3345 Forwarding of submissions to parties
Dec 20, 2018
(Electronic) Receipt
Dec 20, 2018
Letter accompanying subsequently filed items
Dec 20, 2018
Reply to appeal
Aug 22, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 16, 2018
(Electronic) Receipt
Aug 16, 2018
Letter accompanying subsequently filed items
Aug 16, 2018
Non-Patent Literature cited during the appeal procedure
Aug 16, 2018
Statement of grounds of appeal
Jun 20, 2018
F3204 Communication of the file number to the parties
Jun 20, 2018
F3204 Communication of the file number to the parties
Jun 15, 2018
Processing of an appeal
Jun 14, 2018
(Electronic) Receipt
Jun 14, 2018
Letter accompanying subsequently filed items
Jun 14, 2018
Notice of appeal
May 23, 2018
Advice of delivery
Apr 20, 2018
Advice of delivery
Apr 19, 2018
Advice of delivery
Apr 17, 2018
Acknowledgement of a document
Apr 17, 2018
Acknowledgement of a document
Apr 17, 2018
Annex to the communication - opposition
Apr 17, 2018
Decision of the Opposition Division and instruction
Apr 17, 2018
Druckexemplar in opposition procedure
Apr 17, 2018
Grounds for the decision (Annex) - opposition
Apr 17, 2018
Interlocutory decision in opposition proceedings
Apr 17, 2018
Internal form - Opposition/addressees
Apr 17, 2018
Internal form - Opposition/addressees
Apr 17, 2018
Means of redress
Apr 17, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 17, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 17, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 17, 2018
Provision of a copy of the minutes - opposition procedure
Apr 17, 2018
Scanned annex to a communication - opposition procedure
Jan 26, 2018
Information about the result of oral proceedings
Jan 17, 2018
Brief communication - Opposition proceedings
Jan 12, 2018
(Electronic) Receipt
Jan 12, 2018
Letter accompanying subsequently filed items
Jan 12, 2018
Letter regarding the opposition procedure (no time limit)
Jan 12, 2018
Patent document cited during the opposition procedure
Dec 12, 2017
Brief communication - Opposition proceedings
Nov 29, 2017
Brief communication - Opposition proceedings
Nov 24, 2017
(Electronic) Receipt
Nov 24, 2017
Letter accompanying subsequently filed items
Nov 24, 2017
Letter regarding the opposition procedure (no time limit)
Nov 24, 2017
Letter regarding the opposition procedure (no time limit)
Nov 24, 2017
Patent document cited during the opposition procedure
Nov 21, 2017
Communication of amended entries
Nov 17, 2017
Brief communication - Opposition proceedings
Nov 13, 2017
(Electronic) Receipt
Nov 13, 2017
Auxiliary request during Opposition procedure
Nov 13, 2017
Auxiliary request during Opposition procedure
Nov 13, 2017
Auxiliary request during Opposition procedure
Nov 13, 2017
Auxiliary request during Opposition procedure
Nov 13, 2017
Letter regarding the opposition procedure (no time limit)
Nov 13, 2017
Written submission in preparation to/during oral proceedings
Oct 26, 2017
Request concerning representative opponent
Sep 4, 2017
Advice of delivery
Aug 14, 2017
Communication about missing advice of delivery
Jul 10, 2017
Advice of delivery
Jul 6, 2017
(Electronic) Receipt
Jul 6, 2017
Letter accompanying subsequently filed items
Jul 3, 2017
Advice of delivery
Jun 27, 2017
Acknowledgement of a document
Jun 27, 2017
Acknowledgement of a document
Jun 27, 2017
Annex to the communication - opposition
Jun 27, 2017
Information concerning oral proceedings
Jun 27, 2017
Preparation for oral proceedings
Jun 27, 2017
Summons to attend oral proceedings
Jun 27, 2017
Summons to attend oral proceedings
Jun 22, 2017
Notification concerning the date of oral proceedings
Jun 22, 2017
Notification concerning the date of oral proceedings
Jun 2, 2017
Brief communication - Opposition proceedings
May 30, 2017
Advice of delivery
May 30, 2017
Advice of delivery
May 29, 2017
Advice of delivery
May 26, 2017
(Electronic) Receipt
May 26, 2017
Any annexes (other than citation) to an opposition letter
May 26, 2017
Letter accompanying subsequently filed items
May 26, 2017
Oral proceedings: Request for postponement
May 23, 2017
Acknowledgement of a document
May 23, 2017
Acknowledgement of a document
May 23, 2017
Annex to the communication - opposition
May 23, 2017
Information concerning oral proceedings
May 23, 2017
Preparation for oral proceedings
May 23, 2017
Summons to attend oral proceedings
May 23, 2017
Summons to attend oral proceedings
May 11, 2017
Brief communication - Opposition proceedings
Apr 25, 2017
(Electronic) Receipt
Apr 25, 2017
Letter accompanying subsequently filed items
Apr 25, 2017
Reply of the patent proprietor to the notice(s) of opposition
Dec 23, 2016
Communication of a notice of opposition and request to file observations
Dec 23, 2016
Notice of further oppositions to opponent(s)
Nov 17, 2016
Communication of a notice of opposition - first information to patent proprietor
Nov 9, 2016
(Electronic) Receipt
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Non-patent literature cited during the opposition procedure
Nov 9, 2016
Notice of opposition
Nov 9, 2016
Notice of opposition
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Patent document cited during the opposition procedure
Nov 9, 2016
Translation of the evidence during Opposition procedure
Nov 9, 2016
Translation of the evidence during Opposition procedure
Nov 9, 2016
Translation of the evidence during Opposition procedure
Feb 10, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 14, 2016
Decision to grant a European patent
Dec 7, 2015
(Electronic) Receipt
Dec 7, 2015
English translation of the claims
Dec 7, 2015
Filing of the translations of the claims
Dec 7, 2015
French translation of claims
Dec 7, 2015
Letter accompanying subsequently filed items
Oct 15, 2015
Bibliographic data of the European patent application
Oct 15, 2015
Communication about intention to grant a European patent
Oct 15, 2015
Intention to grant (signatures)
Oct 15, 2015
Text intended for grant
Oct 7, 2015
Bibliographic data of the European patent application
Aug 25, 2015
Payment of fees and costs
Aug 25, 2015
Payment of fees and costs
Feb 9, 2015
(Electronic) Receipt
Feb 9, 2015
Annex
Feb 9, 2015
Letter accompanying subsequently filed items
Feb 9, 2015
Reply to communication from the Examining Division
Oct 2, 2014
Annex to the communication
Oct 2, 2014
Communication from the Examining Division
Sep 23, 2014
Examination started
Aug 6, 2014
Payment of fees and costs
Aug 6, 2014
Payment of fees and costs
Apr 30, 2014
Submission concerning representation
Oct 15, 2013
(Electronic) Receipt
Oct 15, 2013
Letter accompanying subsequently filed items
Oct 15, 2013
Non-patent literature cited during the examination procedure
Oct 15, 2013
Non-patent literature cited during the examination procedure
Oct 15, 2013
Non-patent literature cited during the examination procedure
Oct 15, 2013
Non-patent literature cited during the examination procedure
Oct 15, 2013
Non-patent literature cited during the examination procedure
Oct 15, 2013
Reply to Written Opinion prepared by the EPO
Aug 1, 2013
Payment of fees and costs
Apr 22, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 20, 2013
Communication regarding the transmission of the European search report
Mar 20, 2013
European search opinion
Mar 20, 2013
European search report
Jan 18, 2012
Notification of forthcoming publication
Sep 8, 2011
Priority document
Aug 8, 2011
Abstract
Aug 8, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 8, 2011
Claims
Aug 8, 2011
Description
Aug 8, 2011
Designation of inventor
Aug 8, 2011
Drawings
Aug 8, 2011
Request for grant of a European patent

EP2418184

LINDNER GFT

Application Number: EP11176832A
Filing Date: Aug 8, 2011
Status: Patent Maintained As Amended; Jan 15, 2021
Publication Date: Feb 17, 2021
External Links: Slate, Register , Google Patents

IP Verse

Method For Manufacturing Alpha-Calcium Sulphate Hemi-Hydrate

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2418184