Process For Preparing Crystalline Ammonium Sulfate Product

Patent No. EP2897903 (titled "Process For Preparing Crystalline Ammonium Sulfate Product") was filed by CAP III on Sep 12, 2013. The application was issued on Dec 14, 2016.

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
HAMMER	Sep 11, 2017	GRUNECKER PATENT

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 3, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Sep 3, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 29, 2019
Termination of the opposition proceedings with maintenance of patent
Jun 28, 2019
Advice of delivery
Jun 13, 2019
Advice of delivery
May 24, 2019
Advice of delivery
May 23, 2019
Advice of delivery
May 20, 2019
Acknowledgement of a document
May 20, 2019
Acknowledgement of a document
May 20, 2019
Decision of the Opposition Division and instruction
May 20, 2019
Decision rejecting the opposition
May 20, 2019
Grounds for the decision (Annex) - opposition
May 20, 2019
Internal form - Opposition/addressees
May 20, 2019
Means of redress
May 17, 2019
Annex to the communication - opposition
May 17, 2019
Internal form - Opposition/addressees
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 17, 2019
Provision of a copy of the minutes - opposition procedure
Apr 2, 2019
Information about the result of oral proceedings
Feb 4, 2019
Brief communication - Opposition proceedings
Feb 4, 2019
Brief communication - Opposition proceedings
Jan 29, 2019
(Electronic) Receipt
Jan 29, 2019
Letter accompanying subsequently filed items
Jan 29, 2019
Written submission in preparation to/during oral proceedings
Jan 28, 2019
Any annexes (other than citation) to an opposition letter
Jan 28, 2019
Written submission in preparation to/during oral proceedings
Oct 11, 2018
Advice of delivery
Oct 11, 2018
Advice of delivery
Sep 7, 2018
Advice of delivery
Sep 7, 2018
Advice of delivery
Aug 31, 2018
Acknowledgement of a document
Aug 31, 2018
Acknowledgement of a document
Aug 31, 2018
Annex to the communication - opposition
Aug 31, 2018
Information concerning oral proceedings
Aug 31, 2018
Summons to attend oral proceedings
Aug 31, 2018
Summons to attend oral proceedings
Aug 28, 2018
Preparation for oral proceedings
Mar 16, 2018
Brief communication - Opposition proceedings
Mar 12, 2018
(Electronic) Receipt
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Amended claims with annotations
Mar 12, 2018
Any annexes (other than citation) to an opposition letter
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Auxiliary request during Opposition procedure
Mar 12, 2018
Letter accompanying subsequently filed items
Mar 12, 2018
Reply of the patent proprietor to the notice(s) of opposition
Oct 31, 2017
Communication of a notice of opposition and request to file observations
Oct 31, 2017
Notice of further oppositions to opponent(s)
Oct 25, 2017
Brief communication - Opposition proceedings
Oct 25, 2017
Communication concerning corrected entries of the applicant
Oct 17, 2017
Brief communication - Opposition proceedings
Oct 12, 2017
Miscellaneous requests concerning client data
Sep 22, 2017
Communication of a notice of opposition - first information to patent proprietor
Sep 20, 2017
Communication of the registration of a transfer or change of name and/or address
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Non-patent literature cited during the opposition procedure
Sep 11, 2017
Notice of opposition
Sep 11, 2017
Notice of opposition
Sep 11, 2017
Patent document cited during the opposition procedure
Sep 11, 2017
Patent document cited during the opposition procedure
Sep 11, 2017
Payment of fees and costs
Aug 29, 2017
Letter accompanying subsequently filed items
Aug 29, 2017
Miscellaneous requests concerning client data
Aug 29, 2017
Submission concerning change of applicant's address
Dec 15, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 17, 2016
Decision to grant a European patent
Nov 15, 2016
Brief communication to applicant/representative (Legal Division)
Nov 4, 2016
(Electronic) Receipt
Nov 4, 2016
Filing of the translations of the claims
Nov 4, 2016
French translation of claims
Nov 4, 2016
German translation of the claims
Nov 4, 2016
Letter accompanying subsequently filed items
Jun 24, 2016
Bibliographic data of the European patent application
Jun 24, 2016
Communication about intention to grant a European patent
Jun 24, 2016
Intention to grant (signatures)
Jun 24, 2016
Text intended for grant (clean copy)
Jun 24, 2016
Text intended for grant (version for approval)
Jun 17, 2016
Acknowledgement of receipt of third party observations
Jun 17, 2016
Transmittal of third party observations to applicant
Jun 9, 2016
Non-patent literature filed by a third party
Jun 9, 2016
Non-patent literature filed by a third party
Jun 9, 2016
Non-patent literature filed by a third party
Jun 9, 2016
Observations by third parties
Jun 9, 2016
Patent document filed by a Third party
Jun 9, 2016
Patent document filed by a Third party
Jun 9, 2016
Patent document filed by a Third party
Jun 9, 2016
Patent document filed by a Third party
Jun 9, 2016
Patent document filed by a Third party
May 3, 2016
Examination started
Nov 24, 2015
Brief communication to applicant/representative
Nov 24, 2015
Communication of the registration of a transfer or change of name and/or address
Nov 23, 2015
Communication confirming withdrawal from representation
Nov 23, 2015
Communication of amended entries concerning the representative
Nov 16, 2015
(Electronic) Receipt
Nov 16, 2015
(Electronic) Receipt
Nov 16, 2015
Amended claims filed after receipt of (European) search report
Nov 16, 2015
Amended claims with annotations
Nov 16, 2015
Amended description filed after receipt of (European) search report
Nov 16, 2015
Amendments received before examination
Nov 16, 2015
Letter accompanying subsequently filed items
Nov 16, 2015
Letter accompanying subsequently filed items
Nov 16, 2015
Submission concerning change of applicant's representative
Nov 9, 2015
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Nov 9, 2015
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Oct 30, 2015
(Electronic) Receipt
Oct 30, 2015
Annexes in respect of a client data request
Oct 30, 2015
Annexes in respect of a client data request
Oct 30, 2015
Letter accompanying subsequently filed items
Oct 30, 2015
Submission concerning a transfer of rights (applicant)
Jul 1, 2015
Notification on forthcoming publication of bibliographic data
May 6, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Apr 30, 2015
Communication to designated inventor
Apr 30, 2015
Communication to designated inventor
Apr 30, 2015
Communication to designated inventor
Apr 24, 2015
Priority search results copy provided by EPO
Apr 8, 2015
Copy of the international preliminary report on patentability
Feb 26, 2015
(Electronic) Receipt
Feb 26, 2015
Request for entry into the European phase
Jan 30, 2015
Information on entry into European phase
Apr 14, 2014
Priority document (electronically transmitted)
Mar 27, 2014
Copy of the international search report
Mar 27, 2014
Published international application - A1
Dec 20, 2013
Written opinion of the ISA, boxes No. I to VIII
Dec 20, 2013
Written opinion of the ISA, cover sheet
Dec 20, 2013
Written opinion of the ISA, supplemental box
Sep 12, 2013
(Electronic) Receipt
Sep 12, 2013
Abstract
Sep 12, 2013
Claims
Sep 12, 2013
Description
Sep 12, 2013
Drawings
Sep 12, 2013
Priority document (RO-procedure)

EP2897903

CAP III

Application Number: EP13762810A
Filing Date: Sep 12, 2013
Status: Opposition Rejected; Aug 30, 2019
Publication Date: Dec 14, 2016
External Links: Slate, Register , Google Patents

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Process For Preparing Crystalline Ammonium Sulfate Product

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Dossier Documents

EP2897903