Stabilization Of Vaccines By Lyophilization

Patent No. EP2851087 (titled "Stabilization Of Vaccines By Lyophilization") was filed by Sanofi Pasteur Biologics on Nov 7, 2007. The application was issued on Jun 18, 2025.

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
DILG	Jan 19, 2018	MAIWALD

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 22, 2025
Decision to maintain the European patent in amended form
May 22, 2025
Decision to maintain the European patent in amended form
May 12, 2025
(Electronic) Receipt
May 12, 2025
Filing of the translation of the amended claims
May 12, 2025
French translation of claims
May 12, 2025
German translation of the claims
May 12, 2025
Letter accompanying subsequently filed items
Feb 25, 2025
Communication of bibliographic data
Feb 25, 2025
Communication to opponent concerning maintenance
Feb 25, 2025
Communication with request to file translations
Feb 20, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 19, 2024
Brief communication - Opposition proceedings
Nov 19, 2024
Brief communication - Opposition proceedings
Nov 19, 2024
Decision of the Opposition Division and instruction
Nov 19, 2024
Druckexemplar in opposition procedure
Nov 19, 2024
Grounds for the decision (Annex) - opposition
Nov 19, 2024
Interlocutory decision in opposition proceedings
Nov 19, 2024
Interlocutory decision in opposition proceedings
Nov 19, 2024
Means of redress
Jun 13, 2024
Annex to the communication - opposition
Jun 13, 2024
Brief communication - Opposition proceedings
Jun 13, 2024
Brief communication - Opposition proceedings
Jun 13, 2024
Communication inviting the parties to file observations
Jun 13, 2024
Communication inviting the parties to file observations
Feb 23, 2024
Brief communication - Opposition proceedings
Feb 19, 2024
(Electronic) Receipt
Feb 19, 2024
Amended description with annotations
Feb 19, 2024
Description
Feb 19, 2024
Letter accompanying subsequently filed items
Feb 19, 2024
Reply to an examination report in opposition proceedings
Oct 10, 2023
Annex to the communication - opposition
Oct 10, 2023
Brief communication - Opposition proceedings
Oct 10, 2023
Brief communication - Opposition proceedings
Oct 10, 2023
Communication inviting the parties to file observations
Oct 10, 2023
Communication inviting the parties to file observations
Sep 22, 2023
Brief communication - Opposition proceedings
Sep 18, 2023
(Electronic) Receipt
Sep 18, 2023
Letter accompanying subsequently filed items
Sep 18, 2023
Letter regarding the opposition procedure (no time limit)
Aug 9, 2023
Brief communication - Opposition proceedings
Aug 3, 2023
(Electronic) Receipt
Aug 3, 2023
Amended description with annotations
Aug 3, 2023
Description
Aug 3, 2023
Letter accompanying subsequently filed items
Aug 3, 2023
Reply to an examination report in opposition proceedings
Apr 20, 2023
Annex to the communication - opposition
Apr 20, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
Communication inviting the parties to file observations
Apr 20, 2023
Communication inviting the parties to file observations
Feb 14, 2023
Decision of the Board of Appeal
Feb 14, 2023
F3032 Notification(s) of the decision
Feb 14, 2023
F3032 Notification(s) of the decision
Dec 14, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 14, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Dec 6, 2022
F3345 Forwarding of submissions to parties
Dec 2, 2022
(Electronic) Receipt
Dec 2, 2022
Letter accompanying subsequently filed items
Dec 2, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 23, 2022
F3345 Forwarding of submissions to parties
Nov 22, 2022
(Electronic) Receipt
Nov 22, 2022
Letter accompanying subsequently filed items
Nov 22, 2022
Letter relating to Appeal Procedure
Nov 21, 2022
F3345 Forwarding of submissions to parties
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
F3345 Forwarding of submissions to parties
Nov 18, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 18, 2022
Written submission in preparation to/during oral proceedings
Nov 17, 2022
(Electronic) Receipt
Nov 17, 2022
Letter accompanying subsequently filed items
Nov 17, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 10, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 8, 2022
F3345 Forwarding of submissions to parties
Nov 3, 2022
(Electronic) Receipt
Nov 3, 2022
Annexes (other than cited documents) regarding appeal procedure
Nov 3, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 26, 2022
F3345 Forwarding of submissions to parties
Oct 25, 2022
(Electronic) Receipt
Oct 25, 2022
Letter accompanying subsequently filed items
Aug 18, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 18, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 20, 2021
Document concerning representation
Sep 15, 2021
F3936 Acknowledgement of receipt Board of Appeal
Sep 14, 2021
F3011.1 Oral Proceedings: summons
Sep 14, 2021
F3011.1 Oral Proceedings: summons
Sep 9, 2021
F3010 Oral proceedings: order for summons
Sep 8, 2021
F3303.16 Change of composition of the Board (T)
Mar 16, 2020
F3303.16 Change of composition of the Board (T)
Mar 2, 2020
F3345 Forwarding of submissions to parties
Feb 19, 2020
(Electronic) Receipt
Feb 19, 2020
Citation in appeal procedure - 029
Feb 19, 2020
Letter accompanying subsequently filed items
Feb 19, 2020
Reply to appeal
Dec 20, 2019
F3056 Communication: Change of Board due to the technical nature of the appeal
Dec 5, 2019
F3313 Order: change of Board due to the technical aspects of the appeal
Oct 30, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 24, 2019
(Electronic) Receipt
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Amended claims with annotations
Oct 24, 2019
Auxiliary request during appeals procedure - 01
Oct 24, 2019
Auxiliary request during appeals procedure - 02
Oct 24, 2019
Auxiliary request during appeals procedure - 03
Oct 24, 2019
Auxiliary request during appeals procedure - 04
Oct 24, 2019
Auxiliary request during appeals procedure - 05
Oct 24, 2019
Auxiliary request during appeals procedure - 06
Oct 24, 2019
Auxiliary request during appeals procedure - 07
Oct 24, 2019
Auxiliary request during appeals procedure - 08
Oct 24, 2019
Auxiliary request during appeals procedure - 09
Oct 24, 2019
Letter accompanying subsequently filed items
Oct 24, 2019
Non-Patent Literature cited during the appeal procedure
Oct 24, 2019
Statement of grounds of appeal
Oct 24, 2019
Statement of grounds of appeal
Oct 22, 2019
Composition of the board (T)
Aug 21, 2019
F3204 Communication of the file number to the parties
Aug 15, 2019
(Electronic) Receipt
Aug 15, 2019
Letter accompanying subsequently filed items
Aug 15, 2019
Notice of appeal
Jun 27, 2019
(Electronic) Receipt
Jun 27, 2019
Advice of delivery
Jun 27, 2019
Letter accompanying subsequently filed items
Jun 24, 2019
Advice of delivery
Jun 19, 2019
Advice of delivery
Jun 17, 2019
Acknowledgement of a document
Jun 17, 2019
Acknowledgement of a document
Jun 17, 2019
Annex to the communication - opposition
Jun 17, 2019
Decision of the Opposition Division and instruction
Jun 17, 2019
Decision revoking the European patent
Jun 17, 2019
Grounds for the decision (Annex) - opposition
Jun 17, 2019
Internal form - Opposition/addressees
Jun 17, 2019
Internal form - Opposition/addressees
Jun 17, 2019
Means of redress
Jun 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 17, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 17, 2019
Provision of a copy of the minutes - opposition procedure
Jun 17, 2019
Scanned annex to a communication - opposition procedure
Jun 17, 2019
Scanned annex to a communication - opposition procedure
May 2, 2019
Information about the result of oral proceedings
Apr 29, 2019
Brief communication - Opposition proceedings
Apr 29, 2019
Brief communication - Opposition proceedings
Apr 29, 2019
Communication of amended entries
Apr 29, 2019
Communication of amended entries
Apr 24, 2019
Brief communication - Opposition proceedings
Apr 23, 2019
(Electronic) Receipt
Apr 23, 2019
Authorisation
Apr 23, 2019
Citation in opposition procedure
Apr 23, 2019
Citation in opposition procedure
Apr 23, 2019
Consolidated list of cited opposition documents
Apr 23, 2019
Letter accompanying subsequently filed items
Apr 23, 2019
Written submission in preparation to/during oral proceedings
Apr 16, 2019
(Electronic) Receipt
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure
Apr 16, 2019
Auxiliary request during Opposition procedure - 02
Apr 16, 2019
Auxiliary request during Opposition procedure - 03
Apr 16, 2019
Auxiliary request during Opposition procedure - 04
Apr 16, 2019
Auxiliary request during Opposition procedure - 05
Apr 16, 2019
Auxiliary request during Opposition procedure - 06
Apr 16, 2019
Auxiliary request during Opposition procedure - 07
Apr 16, 2019
Letter accompanying subsequently filed items
Apr 16, 2019
Written submission in preparation to/during oral proceedings
Apr 15, 2019
Brief communication - Opposition proceedings
Apr 9, 2019
(Electronic) Receipt
Apr 9, 2019
Letter accompanying subsequently filed items
Apr 9, 2019
Written submission in preparation to/during oral proceedings
Apr 4, 2019
Brief communication - Opposition proceedings
Apr 1, 2019
(Electronic) Receipt
Apr 1, 2019
Citation in opposition procedure
Apr 1, 2019
Citation in opposition procedure
Apr 1, 2019
Citation in opposition procedure
Apr 1, 2019
Letter accompanying subsequently filed items
Apr 1, 2019
Written submission in preparation to/during oral proceedings
Mar 11, 2019
Brief communication - Opposition proceedings
Mar 11, 2019
Brief communication - Opposition proceedings
Mar 5, 2019
(Electronic) Receipt
Mar 5, 2019
(Electronic) Receipt
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure
Mar 5, 2019
Auxiliary request during Opposition procedure - 01
Mar 5, 2019
Auxiliary request during Opposition procedure - 02
Mar 5, 2019
Auxiliary request during Opposition procedure - 03
Mar 5, 2019
Auxiliary request during Opposition procedure - 04
Mar 5, 2019
Auxiliary request during Opposition procedure - 05
Mar 5, 2019
Auxiliary request during Opposition procedure - 06
Mar 5, 2019
Auxiliary request during Opposition procedure - 07
Mar 5, 2019
Auxiliary request during Opposition procedure - 08
Mar 5, 2019
Auxiliary request during Opposition procedure - 09
Mar 5, 2019
Auxiliary request during Opposition procedure - 10
Mar 5, 2019
Auxiliary request during Opposition procedure - 11
Mar 5, 2019
Auxiliary request during Opposition procedure - 12
Mar 5, 2019
Brief communication - Opposition proceedings
Mar 5, 2019
Citation in opposition procedure
Mar 5, 2019
Citation in opposition procedure
Mar 5, 2019
Citation in opposition procedure
Mar 5, 2019
Citation in opposition procedure
Mar 5, 2019
Letter accompanying subsequently filed items
Mar 5, 2019
Letter accompanying subsequently filed items
Mar 5, 2019
Written submission in preparation to/during oral proceedings
Mar 5, 2019
Written submission in preparation to/during oral proceedings
Mar 5, 2019
Written submission in preparation to/during oral proceedings
Feb 27, 2019
(Electronic) Receipt
Feb 27, 2019
Request for interpreters during oral proceedings
Oct 17, 2018
Advice of delivery
Sep 26, 2018
Advice of delivery
Sep 25, 2018
Advice of delivery
Sep 21, 2018
Acknowledgement of a document
Sep 21, 2018
Acknowledgement of a document
Sep 21, 2018
Annex to the communication - opposition
Sep 21, 2018
Information concerning oral proceedings
Sep 21, 2018
Preparation for oral proceedings
Sep 21, 2018
Summons to attend oral proceedings
Sep 21, 2018
Summons to attend oral proceedings
Jun 14, 2018
Brief communication - Opposition proceedings
Jun 6, 2018
(Electronic) Receipt
Jun 6, 2018
Letter accompanying subsequently filed items
Jun 6, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jun 6, 2018
Reply of the patent proprietor to the notice(s) of opposition
Feb 2, 2018
Communication of a notice of opposition and request to file observations
Feb 2, 2018
Notice of further oppositions to opponent(s)
Feb 1, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 19, 2018
(Electronic) Receipt
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Non-patent literature cited during the opposition procedure
Jan 19, 2018
Notice of opposition
Jan 19, 2018
Notice of opposition
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jan 19, 2018
Patent document cited during the opposition procedure
Jun 12, 2017
Communication of amended entries concerning the representative
Jun 7, 2017
Submission concerning change of applicant's representative
Jun 6, 2017
Submission concerning change of applicant's representative
Apr 20, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 23, 2017
Decision to grant a European patent
Mar 10, 2017
(Electronic) Receipt
Mar 10, 2017
Filing of the translations of the claims
Mar 10, 2017
French translation of claims
Mar 10, 2017
German translation of the claims
Mar 10, 2017
Letter accompanying subsequently filed items
Nov 14, 2016
Bibliographic data of the European patent application
Nov 14, 2016
Communication about intention to grant a European patent
Nov 14, 2016
Intention to grant (signatures)
Nov 14, 2016
Text intended for grant (clean copy)
Nov 14, 2016
Text intended for grant (version for approval)
Jul 13, 2016
(Electronic) Receipt
Jul 13, 2016
Amended claims with annotations
Jul 13, 2016
Amended description with annotations
Jul 13, 2016
Claims
Jul 13, 2016
Description
Jul 13, 2016
Letter accompanying subsequently filed items
Jul 13, 2016
Reply to communication from the Examining Division
Jun 30, 2016
Communication of amended entries concerning the representative
Jun 24, 2016
(Electronic) Receipt
Jun 24, 2016
Letter accompanying subsequently filed items
Jun 24, 2016
Submission concerning change of applicant's representative
Mar 22, 2016
Annex to the communication
Mar 22, 2016
Communication from the Examining Division
Feb 16, 2016
Examination started
Sep 22, 2015
(Electronic) Receipt
Sep 22, 2015
Amended claims filed after receipt of (European) search report
Sep 22, 2015
Amended claims with annotations
Sep 22, 2015
Amended description filed after receipt of (European) search report
Sep 22, 2015
Amended description with annotations
Sep 22, 2015
Amendments received before examination
Sep 22, 2015
Letter accompanying subsequently filed items
Mar 30, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 4, 2015
Refund of fees
Feb 25, 2015
Notification of forthcoming publication
Feb 24, 2015
Communication regarding the transmission of the European search report
Feb 24, 2015
European search opinion
Feb 24, 2015
European search report
Feb 9, 2015
Search started
Jan 28, 2015
Refund of fees
Jan 28, 2015
Refund of fees
Dec 12, 2014
(Electronic) Receipt
Dec 12, 2014
(Partial) description filed in response to formal objections
Dec 12, 2014
Claims
Dec 12, 2014
Drawings
Dec 12, 2014
Letter accompanying subsequently filed items
Dec 12, 2014
Reply to the invitation to remedy deficiencies
Nov 4, 2014
Communication to designated inventor
Nov 4, 2014
Communication to designated inventor
Nov 4, 2014
Communication to designated inventor
Oct 2, 2014
Deficiencies in application documents - annex B and C
Oct 2, 2014
Invitation to file claims
Sep 11, 2014
(Electronic) Receipt
Sep 11, 2014
Letter accompanying subsequently filed items
Sep 11, 2014
Letter concerning fees and payments
Aug 12, 2014
Abstract
Aug 12, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 12, 2014
Description
Aug 12, 2014
Designation of inventor
Aug 12, 2014
Designation of inventor
Aug 12, 2014
Designation of inventor
Aug 12, 2014
Designation of inventor
Aug 12, 2014
Drawings
Aug 12, 2014
Letter concerning search matters
Aug 12, 2014
Letter concerning search matters
Aug 12, 2014
Matter concerning the application
Aug 12, 2014
Request for grant of a European patent (divisional application)
Jun 2, 2009
Priority document (electronically transmitted)

EP2851087

SANOFI PASTEUR BIOLOGICS

Application Number: EP14180710A
Filing Date: Nov 7, 2007
Status: Patent Maintained As Amended; May 16, 2025
Publication Date: Jun 18, 2025
External Links: Slate, Register , Google Patents

IP Verse

Stabilization Of Vaccines By Lyophilization

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2851087