Pet Food Compositions Having Antimicrobial Activity

Patent No. EP2597963 (titled "Pet Food Compositions Having Antimicrobial Activity") was filed by Hills PET Nutrition on Aug 3, 2011. The application was issued on Oct 2, 2024.

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
NESTLE	Apr 21, 2017	ELKINGTON AND FIFE

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 5, 2024
Decision to maintain the European patent in amended form
Sep 5, 2024
Decision to maintain the European patent in amended form
Aug 23, 2024
(Electronic) Receipt
Aug 23, 2024
French translation of claims
Aug 23, 2024
German translation of the claims
Aug 23, 2024
Letter accompanying subsequently filed items
May 23, 2024
Communication of bibliographic data
May 23, 2024
Communication to opponent concerning maintenance
May 23, 2024
Communication with request to file translations
May 16, 2024
Maintenance of the patent with the documents specified in the final decision
Feb 21, 2024
Decision of the Opposition Division and instruction
Feb 16, 2024
Brief communication - Opposition proceedings
Feb 16, 2024
Druckexemplar in opposition procedure
Jul 4, 2023
Annex to the communication - opposition
Jul 4, 2023
Brief communication - Opposition proceedings
Jul 4, 2023
Brief communication - Opposition proceedings
Jul 4, 2023
Communication inviting the parties to file observations
Jul 4, 2023
Communication inviting the parties to file observations
Jun 12, 2023
Brief communication - Opposition proceedings
Jun 6, 2023
(Electronic) Receipt
Jun 6, 2023
Amended description with annotations
Jun 6, 2023
Description
Jun 6, 2023
Letter accompanying subsequently filed items
Jun 6, 2023
Reply to an examination report in opposition proceedings
Feb 6, 2023
Annex to the communication - opposition
Feb 6, 2023
Brief communication - Opposition proceedings
Feb 6, 2023
Brief communication - Opposition proceedings
Feb 6, 2023
Communication inviting the parties to file observations
Feb 6, 2023
Communication inviting the parties to file observations
Dec 8, 2022
Brief communication - Opposition proceedings
Dec 5, 2022
(Electronic) Receipt
Dec 5, 2022
Letter accompanying subsequently filed items
Dec 5, 2022
Reply to an examination report in opposition proceedings
Jul 28, 2022
Annex to the communication - opposition
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Communication inviting the parties to file observations
Jul 28, 2022
Communication inviting the parties to file observations
Jul 14, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
(Electronic) Receipt
Jul 11, 2022
Amended description with annotations
Jul 11, 2022
Description
Jul 11, 2022
Letter accompanying subsequently filed items
Jul 11, 2022
Letter regarding the opposition procedure (no time limit)
Jun 21, 2022
Brief communication - Opposition proceedings
Jun 16, 2022
(Electronic) Receipt
Jun 16, 2022
Letter accompanying subsequently filed items
Jun 16, 2022
Letter regarding the opposition procedure (no time limit)
Jun 9, 2022
Brief communication - Opposition proceedings
May 31, 2022
(Electronic) Receipt
May 31, 2022
Amended description with annotations
May 31, 2022
Description
May 31, 2022
Letter accompanying subsequently filed items
May 31, 2022
Reply to an examination report in opposition proceedings
Jan 31, 2022
Annex to the communication - opposition
Jan 31, 2022
Brief communication - Opposition proceedings
Jan 31, 2022
Brief communication - Opposition proceedings
Jan 31, 2022
Communication inviting the parties to file observations
Jan 31, 2022
Communication inviting the parties to file observations
Dec 9, 2021
Decision of the Board of Appeal
Dec 9, 2021
F3032 Notification(s) of the decision
Dec 9, 2021
F3032 Notification(s) of the decision
Oct 15, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 15, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 15, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 15, 2021
F3345 Forwarding of submissions to parties
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Letter relating to Appeal Procedure
Aug 27, 2021
Advice of delivery
Aug 25, 2021
Oral proceedings: change of venue
Aug 25, 2021
Oral proceedings: change of venue
Aug 20, 2021
F3345 Forwarding of submissions to parties
Aug 18, 2021
(Electronic) Receipt
Aug 18, 2021
Letter accompanying subsequently filed items
Aug 18, 2021
Letter dealing with oral proceedings during the appeal procedure
Aug 16, 2021
(Electronic) Receipt
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Amended claims with annotations
Aug 16, 2021
Auxiliary request during appeals procedure - 03
Aug 16, 2021
Auxiliary request during appeals procedure - 04
Aug 16, 2021
Auxiliary request during appeals procedure - 05
Aug 16, 2021
Auxiliary request during appeals procedure - 08
Aug 16, 2021
Auxiliary request during appeals procedure - 09
Aug 16, 2021
Auxiliary request during appeals procedure - 10
Aug 16, 2021
Auxiliary request during appeals procedure - 11
Aug 16, 2021
Auxiliary request during appeals procedure - 12
Aug 16, 2021
Auxiliary request during appeals procedure - 13
Aug 16, 2021
Auxiliary request during appeals procedure - 14
Aug 16, 2021
Letter accompanying subsequently filed items
Aug 16, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 4, 2021
F3345 Forwarding of submissions to parties
Mar 3, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 3, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 26, 2021
Letter relating to Appeal Procedure
Feb 24, 2021
Advice of delivery
Feb 22, 2021
Advice of delivery
Feb 17, 2021
F3011.1 Oral Proceedings: summons
Feb 17, 2021
F3011.1 Oral Proceedings: summons
Feb 11, 2021
F3010 Oral proceedings: order for summons
Apr 23, 2020
Composition of the board (T)
Jan 10, 2020
F3345 Forwarding of submissions to parties
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Amended claims with annotations
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 8, 2020
Claims
Jan 8, 2020
Letter accompanying subsequently filed items
Jan 8, 2020
Non-Patent Literature cited during the appeal procedure
Jan 8, 2020
Reply to appeal
Sep 10, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 2, 2019
F3345 Forwarding of submissions to parties
Jun 13, 2019
Miscellaneous requests concerning client data
Jun 12, 2019
Miscellaneous requests concerning client data
Jun 11, 2019
General enquiry
Jun 11, 2019
Request for transfer of rights - opponent
Jun 10, 2019
(Electronic) Receipt
Jun 10, 2019
Letter accompanying subsequently filed items
Jun 10, 2019
Letter relating to Appeal Procedure
Jun 10, 2019
Letter relating to Appeal Procedure
Jun 10, 2019
Statement of grounds of appeal
Feb 12, 2019
F3204 Communication of the file number to the parties
Feb 12, 2019
F3204 Communication of the file number to the parties
Feb 11, 2019
Advice of delivery
Feb 7, 2019
Processing of an appeal
Feb 6, 2019
Advice of delivery
Feb 4, 2019
(Electronic) Receipt
Feb 4, 2019
Advice of delivery
Feb 4, 2019
Letter accompanying subsequently filed items
Feb 4, 2019
Notice of appeal
Jan 29, 2019
Acknowledgement of a document
Jan 29, 2019
Acknowledgement of a document
Jan 29, 2019
Annex to the communication - opposition
Jan 29, 2019
Decision of the Opposition Division and instruction
Jan 29, 2019
Decision rejecting the opposition
Jan 29, 2019
Grounds for the decision (Annex) - opposition
Jan 29, 2019
Internal form - Opposition/addressees
Jan 29, 2019
Internal form - Opposition/addressees
Jan 29, 2019
Means of redress
Jan 29, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 29, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 29, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 29, 2019
Provision of a copy of the minutes - opposition procedure
Jan 29, 2019
Scanned annex to a communication - opposition procedure
Nov 22, 2018
Information about the result of oral proceedings
Nov 19, 2018
Brief communication - Opposition proceedings
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Written submission in preparation to/during oral proceedings
Oct 30, 2018
Brief communication - Opposition proceedings
Oct 25, 2018
(Electronic) Receipt
Oct 25, 2018
Any annexes (other than citation) to an opposition letter
Oct 25, 2018
Citation in opposition procedure
Oct 25, 2018
Letter accompanying subsequently filed items
Oct 25, 2018
Written submission in preparation to/during oral proceedings
Oct 2, 2018
Request for change of opponent's representative
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
Amended claims with annotations
Sep 21, 2018
Amended claims with annotations
Sep 21, 2018
Amended claims with annotations
Sep 21, 2018
Amended claims with annotations
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Claims
Sep 21, 2018
Claims
Sep 21, 2018
Claims
Sep 21, 2018
Claims
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Non-patent literature cited during the opposition procedure
Sep 21, 2018
Non-patent literature cited during the opposition procedure
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Sep 14, 2018
Brief communication - Opposition proceedings
Sep 11, 2018
(Electronic) Receipt
Sep 11, 2018
Letter accompanying subsequently filed items
Sep 11, 2018
Request for interpreters during oral proceedings
May 3, 2018
Communication of amended entries
May 3, 2018
Communication of amended entries
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Letter accompanying subsequently filed items
Apr 26, 2018
Request for change of opponent's representative
Mar 5, 2018
Advice of delivery
Feb 16, 2018
Advice of delivery
Feb 14, 2018
Advice of delivery
Feb 7, 2018
Acknowledgement of a document
Feb 7, 2018
Acknowledgement of a document
Feb 7, 2018
Annex to a communication
Feb 7, 2018
Annex to the communication - opposition
Feb 7, 2018
Information concerning oral proceedings
Feb 7, 2018
Information concerning oral proceedings
Feb 7, 2018
Summons to attend oral proceedings
Feb 7, 2018
Summons to attend oral proceedings
Jan 25, 2018
Preparation for oral proceedings
Oct 13, 2017
Brief communication - Opposition proceedings
Sep 28, 2017
(Electronic) Receipt
Sep 28, 2017
Amended claims with annotations
Sep 28, 2017
Amended claims with annotations
Sep 28, 2017
Amended claims with annotations
Sep 28, 2017
Amended claims with annotations
Sep 28, 2017
Claims
Sep 28, 2017
Claims
Sep 28, 2017
Claims
Sep 28, 2017
Claims
Sep 28, 2017
Letter accompanying subsequently filed items
Sep 28, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 7, 2017
Communication of a notice of opposition and request to file observations
Jun 7, 2017
Notice of further oppositions to opponent(s)
May 9, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 21, 2017
(Electronic) Receipt
Apr 21, 2017
Citation in opposition procedure
Apr 21, 2017
Citation in opposition procedure
Apr 21, 2017
Non-patent literature cited during the opposition procedure
Apr 21, 2017
Non-patent literature cited during the opposition procedure
Apr 21, 2017
Non-patent literature cited during the opposition procedure
Apr 21, 2017
Non-patent literature cited during the opposition procedure
Apr 21, 2017
Notice of opposition
Apr 21, 2017
Notice of opposition
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 21, 2017
Patent document cited during the opposition procedure
Apr 11, 2017
Communication of the registration of a transfer or change of name and/or address
Apr 3, 2017
Communication of amended entries concerning the representative
Jul 28, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 30, 2016
Decision to grant a European patent
Jun 17, 2016
(Electronic) Receipt
Jun 17, 2016
Filing of the translations of the claims
Jun 17, 2016
French translation of claims
Jun 17, 2016
German translation of the claims
Jun 17, 2016
Letter accompanying subsequently filed items
Feb 19, 2016
Bibliographic data of the European patent application
Feb 19, 2016
Communication about intention to grant a European patent
Feb 19, 2016
Intention to grant (signatures)
Feb 19, 2016
Text intended for grant (clean copy)
Feb 19, 2016
Text intended for grant (version for approval)
Nov 13, 2015
Transmittal of third party observations to applicant
Oct 29, 2015
Citation filed by a third party
Oct 29, 2015
Observations by third parties
Jul 28, 2015
(Electronic) Receipt
Jul 28, 2015
Amended description with annotations
Jul 28, 2015
Claims
Jul 28, 2015
Description
Jul 28, 2015
Letter accompanying subsequently filed items
Jul 28, 2015
Reply to communication from the Examining Division
Jun 5, 2015
Grant of extension of time limit (examination procedure)
May 29, 2015
(Electronic) Receipt
May 29, 2015
Letter accompanying subsequently filed items
May 29, 2015
Request for extension of time limit to communication from the Examining Division
Jan 19, 2015
Annex to the communication
Jan 19, 2015
Communication from the Examining Division
Oct 22, 2014
Examination started
Jan 28, 2014
Transmittal of third party observations to applicant
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Non-patent literature cited during the examination procedure
Dec 24, 2013
Observations by third parties
Dec 24, 2013
Patent document cited during the examination procedure
Dec 24, 2013
Patent document cited during the examination procedure
Sep 13, 2013
(Electronic) Receipt
Sep 13, 2013
Letter accompanying subsequently filed items
Sep 13, 2013
Reply to Written Opinion prepared by the EPO
May 8, 2013
Notification on forthcoming publication of bibliographic data
Mar 14, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 12, 2013
Communication to designated inventor
Mar 12, 2013
Communication to designated inventor
Mar 12, 2013
Communication to designated inventor
Feb 28, 2013
(Electronic) Receipt
Feb 28, 2013
Request for entry into the European phase
Feb 13, 2013
Annexes to the international preliminary examination report
Feb 13, 2013
Copy of the international preliminary examination report
Dec 14, 2012
Information on entry into European phase
Aug 29, 2012
Annex to International preliminary examination report
Aug 29, 2012
International preliminary examination report
Aug 29, 2012
International preliminary examination report
Aug 29, 2012
International preliminary examination report - free text sheet
Aug 29, 2012
International preliminary examination report - free text sheet
Aug 29, 2012
International preliminary examination report - points I-VIII
Aug 29, 2012
International preliminary examination report - points I-VIII
Aug 29, 2012
Notification of documents sent to WIPO
Aug 29, 2012
Transmittal of International Preliminary Examination Report
Aug 17, 2012
PCT(IPEA): Amended sheet - claims
Aug 17, 2012
PCT(IPEA): Amended sheet - description
Aug 17, 2012
Reply to communication PCT/IPEA/408
Jul 3, 2012
Notification of election of EPO
Jun 28, 2012
Written opinion
Jun 28, 2012
Written opinion - free text sheet
Jun 28, 2012
Written opinion - points I-VIII
Jun 27, 2012
Notification of documents sent to WIPO
Jun 21, 2012
Amendments of documents (Article 19 PCT)
Jun 21, 2012
Notification of defects in the demand
Jun 13, 2012
Notification of documents sent to WIPO
Jun 13, 2012
Notification of receipt of demand
Jun 11, 2012
Document concerning fees and payments
Jun 11, 2012
Letter regarding PCTII procedure
Jun 11, 2012
PCT demand form
Jun 11, 2012
PCT(IPEA): Amended sheet - claims
Jun 1, 2012
Document concerning fees and payments
Jun 1, 2012
Letter regarding PCTII procedure
Jun 1, 2012
PCT demand form
Jun 1, 2012
PCT(IPEA): Amended sheet - claims
Feb 29, 2012
Priority document (electronically transmitted)
Feb 9, 2012
Copy of the international search report
Feb 9, 2012
Published international application - A1
Sep 19, 2011
Written opinion of the ISA, boxes No. I to VIII
Sep 19, 2011
Written opinion of the ISA, cover sheet
Sep 19, 2011
Written opinion of the ISA, supplemental box

EP2597963

HILLS PET NUTRITION

Application Number: EP11745645A
Filing Date: Aug 3, 2011
Status: Patent Maintained As Amended; Aug 30, 2024
Publication Date: Oct 2, 2024
External Links: Slate, Register , Google Patents

IP Verse

Pet Food Compositions Having Antimicrobial Activity

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2597963