High Bioavailability Phosphorus

Patent No. EP2435385 (titled "High Bioavailability Phosphorus") was filed by Compass Minerals Manitoba on May 25, 2010. The application was issued on Jun 16, 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
YARA ASA	May 10, 2019	DE CLERCQ & PARTNERS

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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May 20, 2021
Decision to maintain the European patent in amended form
May 20, 2021
Decision to maintain the European patent in amended form
May 17, 2021
Termination of the opposition proceedings with maintenance of patent
May 7, 2021
(Electronic) Receipt
May 7, 2021
Filing of the translation of the amended claims
May 7, 2021
French translation of claims
May 7, 2021
German translation of the claims
May 7, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Communication of bibliographic data
Mar 5, 2021
Communication to opponent concerning maintenance
Mar 5, 2021
Communication with request to file translations
Feb 25, 2021
Maintenance of the patent with the documents specified in the final decision
Jan 13, 2021
(Electronic) Receipt
Jan 13, 2021
Advice of delivery
Dec 22, 2020
Communication about missing advice of delivery
Nov 20, 2020
Advice of delivery
Nov 13, 2020
Acknowledgement of a document
Nov 13, 2020
Acknowledgement of a document
Nov 13, 2020
Annex to the communication - opposition
Nov 13, 2020
Decision of the Opposition Division and instruction
Nov 13, 2020
Documents for the maintenance of the patent as amended
Nov 13, 2020
Druckexemplar in opposition procedure
Nov 13, 2020
Grounds for the decision (Annex) - opposition
Nov 13, 2020
Interlocutory decision in opposition proceedings
Nov 13, 2020
Internal form - Opposition/addressees
Nov 13, 2020
Internal form - Opposition/addressees
Nov 13, 2020
Means of redress
Nov 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 13, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 13, 2020
Provision of a copy of the minutes - opposition procedure
Nov 13, 2020
Scanned annex to a communication - opposition procedure
Sep 24, 2020
Information about the result of oral proceedings
Sep 10, 2020
Oral proceedings: reply to date proposed
Sep 10, 2020
Oral proceedings: reply to date proposed
Sep 2, 2020
Brief communication - Opposition proceedings
Sep 2, 2020
Consolidated list of cited opposition documents
Aug 21, 2020
(Electronic) Receipt
Aug 21, 2020
Auxiliary request during Opposition procedure
Aug 21, 2020
Auxiliary request during Opposition procedure
Aug 21, 2020
Auxiliary request during Opposition procedure
Aug 21, 2020
Auxiliary request during Opposition procedure
Aug 21, 2020
Auxiliary request during Opposition procedure
Aug 21, 2020
Auxiliary request during Opposition procedure - 01
Aug 21, 2020
Auxiliary request during Opposition procedure - 02
Aug 21, 2020
Auxiliary request during Opposition procedure - 03
Aug 21, 2020
Auxiliary request during Opposition procedure - 04
Aug 21, 2020
Auxiliary request during Opposition procedure - 05
Aug 21, 2020
Letter accompanying subsequently filed items
Aug 21, 2020
Main request during Opposition procedure
Aug 21, 2020
Main request during Opposition procedure
Aug 21, 2020
Written submission in preparation to/during oral proceedings
Aug 4, 2020
Communication for party to proceedings/third party
Aug 4, 2020
Communication for party to proceedings/third party
Aug 4, 2020
Notification concerning the date of oral proceedings
Aug 4, 2020
Notification concerning the date of oral proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Jul 24, 2020
(Electronic) Receipt
Jul 24, 2020
(Electronic) Receipt
Jul 24, 2020
(Electronic) Receipt
Jul 24, 2020
Any annexes (other than citation) to an opposition letter
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure
Jul 24, 2020
Auxiliary request during Opposition procedure - 01
Jul 24, 2020
Auxiliary request during Opposition procedure - 02
Jul 24, 2020
Auxiliary request during Opposition procedure - 03
Jul 24, 2020
Citation in opposition procedure - 012
Jul 24, 2020
Citation in opposition procedure - 013
Jul 24, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Letter regarding the opposition procedure (no time limit)
Jul 24, 2020
Main request during Opposition procedure
Jul 24, 2020
Written submission in preparation to/during oral proceedings
Jul 24, 2020
Written submission in preparation to/during oral proceedings
Jul 13, 2020
Communication of amended entries concerning the representative
Jul 8, 2020
(Electronic) Receipt
Jul 8, 2020
Letter accompanying subsequently filed items
Jul 8, 2020
Submission concerning representation
Jun 29, 2020
Oral proceedings: reply to date proposed
Jun 24, 2020
Oral proceedings: reply to date proposed
Jun 8, 2020
Brief communication - Opposition proceedings
Jun 8, 2020
Brief communication - Opposition proceedings
Jun 2, 2020
Brief communication - Opposition proceedings
Jun 2, 2020
Brief communication - Opposition proceedings
Mar 3, 2020
Advice of delivery
Feb 28, 2020
Communication about missing advice of delivery
Jan 30, 2020
Advice of delivery
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Annex to the communication - opposition
Jan 24, 2020
Information concerning oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Oct 18, 2019
Brief communication - Opposition proceedings
Oct 14, 2019
(Electronic) Receipt
Oct 14, 2019
Amended claims with annotations
Oct 14, 2019
Amended claims with annotations
Oct 14, 2019
Amended claims with annotations
Oct 14, 2019
Citation in opposition procedure - 011
Oct 14, 2019
Claims
Oct 14, 2019
Claims
Oct 14, 2019
Claims
Oct 14, 2019
Consolidated list of cited opposition documents
Oct 14, 2019
Letter accompanying subsequently filed items
Oct 14, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 12, 2019
Communication of amended entries concerning the representative
Jun 3, 2019
Communication of a notice of opposition and request to file observations
Jun 3, 2019
Notice of further oppositions to opponent(s)
May 31, 2019
(Electronic) Receipt
May 31, 2019
Letter accompanying subsequently filed items
May 31, 2019
Submission concerning change of proprietor's representative
May 15, 2019
Communication of a notice of opposition - first information to patent proprietor
May 13, 2019
(Electronic) Receipt
May 13, 2019
Authorisation
May 13, 2019
Letter accompanying subsequently filed items
May 10, 2019
(Electronic) Receipt
May 10, 2019
Citation in opposition procedure - 001
May 10, 2019
Citation in opposition procedure - 002
May 10, 2019
Citation in opposition procedure - 003
May 10, 2019
Citation in opposition procedure - 004
May 10, 2019
Citation in opposition procedure - 005
May 10, 2019
Citation in opposition procedure - 006
May 10, 2019
Citation in opposition procedure - 007
May 10, 2019
Citation in opposition procedure - 008
May 10, 2019
Citation in opposition procedure - 009
May 10, 2019
Citation in opposition procedure - 010
May 10, 2019
Notice of opposition
May 10, 2019
Notice of opposition
Mar 21, 2019
Miscellaneous requests concerning client data
Mar 21, 2019
Request for change of applicant's representative
Aug 27, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 19, 2018
Decision to grant a European patent
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Filing of the translations of the claims
Jul 3, 2018
French translation of claims
Jul 3, 2018
German translation of the claims
Jul 3, 2018
Letter accompanying subsequently filed items
Mar 29, 2018
Bibliographic data of the European patent application
Mar 29, 2018
Communication about intention to grant a European patent
Mar 29, 2018
Intention to grant (signatures)
Mar 29, 2018
Text intended for grant (clean copy)
Mar 29, 2018
Text intended for grant (version for approval)
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Amended claims with annotations
Sep 7, 2017
Amended description with annotations
Sep 7, 2017
Claims
Sep 7, 2017
Description
Sep 7, 2017
Letter accompanying subsequently filed items
Sep 7, 2017
Reply to communication from the Examining Division
Sep 6, 2017
Communication of the registration of a transfer or change of name and/or address
Jun 29, 2017
(Electronic) Receipt
Jun 29, 2017
Annexes in respect of a client data request
Jun 29, 2017
Letter accompanying subsequently filed items
Jun 29, 2017
Submission concerning change of applicant's name
Jun 28, 2017
Annex to the communication
Jun 28, 2017
Consultation by telephone/in person (with time limit)
Jun 28, 2017
Result of consultation by telephone/in person
May 15, 2017
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Apr 4, 2017
(Electronic) Receipt
Apr 4, 2017
Letter accompanying subsequently filed items
Apr 4, 2017
Submission concerning change of applicant's name
Mar 24, 2017
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Mar 10, 2017
(Electronic) Receipt
Mar 10, 2017
Annexes in respect of a client data request
Mar 10, 2017
Letter accompanying subsequently filed items
Mar 10, 2017
Submission concerning change of applicant's name
Dec 5, 2016
(Electronic) Receipt
Dec 5, 2016
Amended description with annotations
Dec 5, 2016
Description
Dec 5, 2016
Letter accompanying subsequently filed items
Dec 5, 2016
Reply to communication from the Examining Division
Sep 23, 2016
Grant of extension of time limit (examination procedure)
Sep 20, 2016
(Electronic) Receipt
Sep 20, 2016
Letter accompanying subsequently filed items
Sep 20, 2016
Request for extension of time limit to communication from the Examining Division
May 25, 2016
Annex to the communication
May 25, 2016
Communication from the Examining Division
Apr 29, 2016
Examination started
Oct 5, 2015
(Electronic) Receipt
Oct 5, 2015
Amended claims filed after receipt of (European) search report
Oct 5, 2015
Amended claims with annotations
Oct 5, 2015
Amendments received before examination
Oct 5, 2015
Letter accompanying subsequently filed items
Mar 24, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 5, 2015
Communication regarding the transmission of the European search report
Mar 5, 2015
European search opinion
Mar 5, 2015
Supplementary European search report
Feb 18, 2015
Search started
Apr 8, 2014
Communication of the registration of a transfer or change of name and/or address
Feb 17, 2014
Annexes in respect of a client data request
Feb 17, 2014
Submission concerning a transfer of rights (applicant)
Mar 7, 2012
Notification on forthcoming publication of bibliographic data
Jan 19, 2012
Communication regarding possible amendment of the application/payment of claims fee
Dec 12, 2011
Copy of the international preliminary report on patentability
Nov 14, 2011
(Electronic) Receipt
Nov 14, 2011
Amended claims filed after receipt of (European) search report
Nov 14, 2011
Amended claims with annotations
Nov 14, 2011
Amendments received before examination
Nov 14, 2011
Request for entry into the European phase
Oct 7, 2011
Information on entry into European phase
Dec 23, 2010
Priority document (electronically transmitted)
Dec 2, 2010
Copy of the international search report
Dec 2, 2010
Published international application - A1

EP2435385

COMPASS MINERALS MANITOBA

Application Number: EP10779957A
Filing Date: May 25, 2010
Status: Patent Maintained As Amended; May 14, 2021
Publication Date: Jun 16, 2021
External Links: Slate, Register , Google Patents

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High Bioavailability Phosphorus

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Dossier Documents

EP2435385