Automatic Injection Device With Torsional Spring

Patent No. EP2536456 (titled "Automatic Injection Device With Torsional Spring") was filed by Sanofi Aventis Deutschland on Feb 15, 2011. The application was issued on Apr 28, 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
WURMSER	Jan 28, 2022	MEISSNER BOLTE PARTNERSCHAFT MBB

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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Oct 9, 2025
Request for change of client data cannot be registered anymore
Oct 2, 2025
(Electronic) Receipt
Oct 2, 2025
Submission concerning change of proprietor's representative
Jul 22, 2025
Refund of fees
Jul 3, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 3, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 2, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 2, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 28, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Jun 11, 2025
F3345 Forwarding of submissions to parties
Jun 4, 2025
(Electronic) Receipt
Jun 4, 2025
Letter accompanying subsequently filed items
Jun 4, 2025
Withdrawal of an appeal
Apr 9, 2025
F3011.2 Oral Proceedings: Summons VICO
Apr 9, 2025
F3011.2 Oral Proceedings: Summons VICO
Apr 4, 2025
F3010 Oral proceedings: order for summons
Jan 17, 2025
F3345 Forwarding of submissions to parties
Jan 13, 2025
(Electronic) Receipt
Jan 13, 2025
Letter accompanying subsequently filed items
Jan 13, 2025
Letter relating to Appeal Procedure
Nov 28, 2024
F3345 Forwarding of submissions to parties
Nov 25, 2024
(Electronic) Receipt
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Auxiliary request during appeals procedure - 01
Nov 25, 2024
Auxiliary request during appeals procedure - 02
Nov 25, 2024
Auxiliary request during appeals procedure - 03
Nov 25, 2024
Auxiliary request during appeals procedure - 04
Nov 25, 2024
Auxiliary request during appeals procedure - 05
Nov 25, 2024
Auxiliary request during appeals procedure - 06
Nov 25, 2024
Auxiliary request during appeals procedure - 07
Nov 25, 2024
Auxiliary request during appeals procedure - 08
Nov 25, 2024
Auxiliary request during appeals procedure - 09
Nov 25, 2024
Auxiliary request during appeals procedure - 10
Nov 25, 2024
Letter accompanying subsequently filed items
Nov 25, 2024
Reply to appeal
Jul 25, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 23, 2024
Composition of the board (T)
Jul 22, 2024
(Electronic) Receipt
Jul 22, 2024
Citation in appeal procedure - 024
Jul 22, 2024
Letter accompanying subsequently filed items
Jul 22, 2024
Statement of grounds of appeal
May 17, 2024
F3204 Communication of the file number to the parties
May 17, 2024
F3204 Communication of the file number to the parties
May 16, 2024
Annex to the communication - opposition
May 16, 2024
Brief communication - Opposition proceedings
May 16, 2024
Brief communication - Opposition proceedings
May 13, 2024
(Electronic) Receipt
May 13, 2024
Notice of appeal
May 8, 2024
Brief communication - Opposition proceedings
May 7, 2024
(Electronic) Receipt
May 7, 2024
Letter accompanying subsequently filed items
May 7, 2024
Request for correction
Mar 20, 2024
Annex to the communication - opposition
Mar 20, 2024
Brief communication - Opposition proceedings
Mar 20, 2024
Brief communication - Opposition proceedings
Mar 20, 2024
Decision of the Opposition Division and instruction
Mar 20, 2024
Decision rejecting the opposition
Mar 20, 2024
Decision rejecting the opposition
Mar 20, 2024
Grounds for the decision (Annex) - opposition
Mar 20, 2024
Means of redress
Mar 20, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 20, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 20, 2024
Provision of a copy of the minutes - opposition procedure
Mar 20, 2024
Provision of a copy of the minutes - opposition procedure
Mar 20, 2024
Scanned annex to a communication - opposition procedure
Mar 20, 2024
Scanned annex to a communication - opposition procedure
Feb 27, 2024
Information about the result of oral proceedings
Jan 31, 2024
Brief communication - Opposition proceedings
Jan 26, 2024
Request for interpreters during oral proceedings
Jan 17, 2024
Brief communication - Opposition proceedings
Jan 12, 2024
Brief communication - Opposition proceedings
Jan 11, 2024
(Electronic) Receipt
Jan 11, 2024
Letter accompanying subsequently filed items
Jan 11, 2024
Written submission in preparation to/during oral proceedings
Jan 3, 2024
Brief communication - Opposition proceedings
Jan 3, 2024
Brief communication - Opposition proceedings
Dec 22, 2023
(Electronic) Receipt
Dec 22, 2023
Citation in opposition procedure - 021
Dec 22, 2023
Citation in opposition procedure - 022
Dec 22, 2023
Citation in opposition procedure - 023
Dec 22, 2023
Citation in opposition procedure - 024
Dec 22, 2023
Citation in opposition procedure - 025
Dec 22, 2023
Citation in opposition procedure - 026
Dec 22, 2023
Citation in opposition procedure - 027
Dec 22, 2023
Citation in opposition procedure - 028
Dec 22, 2023
Citation in opposition procedure - 029
Dec 22, 2023
Consolidated list of cited opposition documents
Dec 22, 2023
Letter accompanying subsequently filed items
Dec 22, 2023
Written submission in preparation to/during oral proceedings
Dec 21, 2023
Brief communication - Opposition proceedings
Dec 19, 2023
(Electronic) Receipt
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure
Dec 19, 2023
Auxiliary request during Opposition procedure - 01
Dec 19, 2023
Auxiliary request during Opposition procedure - 02
Dec 19, 2023
Auxiliary request during Opposition procedure - 03
Dec 19, 2023
Auxiliary request during Opposition procedure - 04
Dec 19, 2023
Auxiliary request during Opposition procedure - 05
Dec 19, 2023
Auxiliary request during Opposition procedure - 06
Dec 19, 2023
Auxiliary request during Opposition procedure - 07
Dec 19, 2023
Auxiliary request during Opposition procedure - 08
Dec 19, 2023
Auxiliary request during Opposition procedure - 09
Dec 19, 2023
Auxiliary request during Opposition procedure - 10
Dec 19, 2023
Auxiliary request during Opposition procedure - 11
Dec 19, 2023
Letter accompanying subsequently filed items
Dec 19, 2023
Written submission in preparation to/during oral proceedings
May 2, 2023
(Electronic) Receipt
May 2, 2023
Advice of delivery
May 2, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Advice of delivery
Apr 26, 2023
Annex to the communication - opposition
Apr 26, 2023
Information concerning oral proceedings
Apr 26, 2023
Scanned annex to a communication - opposition procedure
Apr 26, 2023
Summons to attend oral proceedings
Apr 26, 2023
Summons to attend oral proceedings
Apr 26, 2023
Transmittal of decision / summons - opposition
Apr 26, 2023
Transmittal of decision / summons - opposition
Apr 12, 2023
Citation in opposition procedure - 020
Nov 15, 2022
Brief communication - Opposition proceedings
Nov 10, 2022
(Electronic) Receipt
Nov 10, 2022
Letter accompanying subsequently filed items
Nov 10, 2022
Letter regarding the opposition procedure (no time limit)
Oct 12, 2022
Brief communication - Opposition proceedings
Oct 6, 2022
(Electronic) Receipt
Oct 6, 2022
Letter regarding the opposition procedure (no time limit)
Aug 9, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Reply from the opponent to submission of proprietor
Jun 24, 2022
Brief communication - Opposition proceedings
Jun 21, 2022
(Electronic) Receipt
Jun 21, 2022
Auxiliary request during Opposition procedure
Jun 21, 2022
Auxiliary request during Opposition procedure
Jun 21, 2022
Auxiliary request during Opposition procedure
Jun 21, 2022
Auxiliary request during Opposition procedure
Jun 21, 2022
Auxiliary request during Opposition procedure - 01
Jun 21, 2022
Auxiliary request during Opposition procedure - 02
Jun 21, 2022
Auxiliary request during Opposition procedure - 03
Jun 21, 2022
Auxiliary request during Opposition procedure - 04
Jun 21, 2022
Citation in opposition procedure - 019
Jun 21, 2022
Letter accompanying subsequently filed items
Jun 21, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 11, 2022
Communication of a notice of opposition and request to file observations
Feb 11, 2022
Notice of further oppositions to opponent(s)
Feb 3, 2022
Communication of a notice of opposition - first information to patent proprietor
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
Citation in opposition procedure - 001
Jan 28, 2022
Citation in opposition procedure - 002
Jan 28, 2022
Citation in opposition procedure - 003
Jan 28, 2022
Citation in opposition procedure - 004
Jan 28, 2022
Citation in opposition procedure - 005
Jan 28, 2022
Citation in opposition procedure - 006
Jan 28, 2022
Citation in opposition procedure - 007
Jan 28, 2022
Citation in opposition procedure - 008
Jan 28, 2022
Citation in opposition procedure - 009
Jan 28, 2022
Citation in opposition procedure - 010
Jan 28, 2022
Citation in opposition procedure - 011
Jan 28, 2022
Citation in opposition procedure - 012
Jan 28, 2022
Citation in opposition procedure - 013
Jan 28, 2022
Citation in opposition procedure - 014
Jan 28, 2022
Citation in opposition procedure - 015
Jan 28, 2022
Citation in opposition procedure - 016
Jan 28, 2022
Citation in opposition procedure - 017
Jan 28, 2022
Citation in opposition procedure - 018
Jan 28, 2022
International publication (Pamphlet)
Jan 28, 2022
International publication (Pamphlet)
Jan 28, 2022
Notice of opposition
Jan 28, 2022
Notice of opposition
Jan 28, 2022
Priority document
Jan 28, 2022
Priority document
May 12, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 6, 2021
Transmittal of third party observations to applicant
Apr 1, 2021
Decision to grant a European patent
Mar 31, 2021
Refund of fees
Mar 26, 2021
Observations by third parties
Mar 26, 2021
Observations by third parties
Mar 26, 2021
Patent document filed by a Third party
Mar 26, 2021
Patent document filed by a Third party
Mar 22, 2021
(Electronic) Receipt
Mar 22, 2021
Filing of the translations of the claims
Mar 22, 2021
French translation of claims
Mar 22, 2021
German translation of the claims
Mar 9, 2021
Information about non-relevance of third-party observations
Mar 5, 2021
Transmittal of third party observations to applicant
Feb 28, 2021
Observations by third parties
Feb 28, 2021
Observations by third parties
Feb 23, 2021
Bibliographic data of the European patent application
Feb 23, 2021
Communication about intention to grant a European patent
Feb 23, 2021
Intention to grant (signatures)
Feb 23, 2021
Text intended for grant (clean copy)
Feb 23, 2021
Text intended for grant (version for approval)
Feb 9, 2021
(Electronic) Receipt
Feb 9, 2021
Amended claims with annotations
Feb 9, 2021
Amended description with annotations
Feb 9, 2021
Claims
Feb 9, 2021
Description
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 9, 2021
Reply to communication from the Examining Division
Dec 9, 2020
Annex to the communication
Dec 9, 2020
Communication from the Examining Division
Dec 3, 2020
Transmittal of third party observations to applicant
Nov 26, 2020
Observations by third parties
Nov 26, 2020
Observations by third parties
Oct 26, 2020
(Electronic) Receipt
Oct 26, 2020
Amended description with annotations
Oct 26, 2020
Description
Oct 26, 2020
Letter accompanying subsequently filed items
Oct 26, 2020
Reply to communication from the Examining Division
Aug 20, 2020
Annex to the communication
Aug 20, 2020
Communication from the Examining Division
Jul 30, 2020
Transmittal of third party observations to applicant
Jul 19, 2020
Observations by third parties
Jul 19, 2020
Observations by third parties
Jul 19, 2020
Patent document filed by a Third party
Jul 19, 2020
Patent document filed by a Third party
Jun 25, 2020
Bibliographic data of the European patent application
Jun 25, 2020
Communication about intention to grant a European patent
Jun 25, 2020
Intention to grant (signatures)
Jun 25, 2020
Text intended for grant (clean copy)
Jun 25, 2020
Text intended for grant (version for approval)
May 29, 2020
(Electronic) Receipt
May 29, 2020
Amended description with annotations
May 29, 2020
Description
May 29, 2020
Letter accompanying subsequently filed items
May 29, 2020
Reply to communication from the Examining Division
Mar 20, 2020
Grant of extension of time limit (examination procedure)
Mar 11, 2020
(Electronic) Receipt
Mar 11, 2020
Request for extension of time limit to communication from the Examining Division
Nov 15, 2019
Annex to the communication
Nov 15, 2019
Communication from the Examining Division
Nov 14, 2019
Transmittal of third party observations to applicant
Nov 6, 2019
Observations by third parties
Nov 6, 2019
Observations by third parties
Nov 6, 2019
Patent document filed by a Third party
Nov 6, 2019
Patent document filed by a Third party
Oct 28, 2019
(Electronic) Receipt
Oct 28, 2019
Amended description with annotations
Oct 28, 2019
Description
Oct 28, 2019
Letter accompanying subsequently filed items
Oct 28, 2019
Reply to communication from the Examining Division
Aug 27, 2019
Annex to the communication
Aug 27, 2019
Consultation by telephone/in person (with time limit)
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Reply to communication from the Examining Division
Jun 11, 2019
Grant of extension of time limit (examination procedure)
May 29, 2019
(Electronic) Receipt
May 29, 2019
Request for extension of time limit to communication from the Examining Division
Apr 9, 2019
Annex to the communication
Apr 9, 2019
Communication from the Examining Division
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
Amended description with annotations
Mar 21, 2019
Description
Mar 21, 2019
Letter accompanying subsequently filed items
Mar 21, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 11, 2019
Letter relating to refund instructions (deposit account)
Nov 21, 2018
Bibliographic data of the European patent application
Nov 21, 2018
Communication about intention to grant a European patent
Nov 21, 2018
Intention to grant (signatures)
Nov 21, 2018
Text intended for grant (clean copy)
Nov 21, 2018
Text intended for grant (version for approval)
May 2, 2018
(Electronic) Receipt
May 2, 2018
Amended claims with annotations
May 2, 2018
Claims
May 2, 2018
Letter accompanying subsequently filed items
May 2, 2018
Reply to communication from the Examining Division
Feb 23, 2018
Grant of extension of time limit (examination procedure)
Feb 16, 2018
(Electronic) Receipt
Feb 16, 2018
Request for extension of time limit to communication from the Examining Division
Nov 7, 2017
Annex to the communication
Nov 7, 2017
Communication from the Examining Division
Oct 11, 2017
(Electronic) Receipt
Oct 11, 2017
Letter accompanying subsequently filed items
Oct 11, 2017
Reply to communication from the Examining Division
Oct 10, 2017
Grant of extension of time limit (examination procedure)
Sep 26, 2017
(Electronic) Receipt
Sep 26, 2017
Request for extension of time limit to communication from the Examining Division
Jul 19, 2017
Submission concerning representation
May 26, 2017
Annex to the communication
May 26, 2017
Communication from the Examining Division
Apr 20, 2017
(Electronic) Receipt
Apr 20, 2017
Letter accompanying subsequently filed items
Apr 20, 2017
Reply to communication from the Examining Division
Mar 28, 2017
Annex to the communication
Mar 28, 2017
Invitation to indicate the basis for amendments
Mar 21, 2017
Examination started
Nov 17, 2016
Communication of amended entries concerning the representative
Nov 7, 2016
Submission concerning change of applicant's representative
Nov 7, 2016
Submission concerning change of applicant's representative
Nov 3, 2016
Submission concerning change of applicant's representative
Jan 19, 2016
Communication of amended entries concerning the representative
Dec 18, 2015
Annexes in respect of a client data request
Dec 18, 2015
Submission concerning change of applicant's representative
Feb 3, 2014
CDS Clean up - amended applicant details
Apr 3, 2013
Refund of fees
Nov 28, 2012
Notification on forthcoming publication of bibliographic data
Oct 16, 2012
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Oct 9, 2012
Priority search results copy provided by EPO
Sep 28, 2012
Communication to designated inventor
Sep 14, 2012
(Electronic) Receipt
Sep 14, 2012
Amended claims filed after receipt of (European) search report
Sep 14, 2012
Request for entry into the European phase
Sep 4, 2012
Copy of the international preliminary report on patentability
Jun 29, 2012
Information on entry into European phase
Sep 14, 2011
Priority document (electronically transmitted)
Sep 14, 2011
Priority document (electronically transmitted)
Aug 25, 2011
Copy of the international search report
Aug 25, 2011
Published international application - A1
Jun 15, 2011
Written opinion of the ISA, boxes No. I to VIII
Jun 15, 2011
Written opinion of the ISA, cover sheet
Jun 15, 2011
Written opinion of the ISA, supplemental box
Feb 15, 2011
(Electronic) Receipt
Feb 15, 2011
Abstract
Feb 15, 2011
Claims
Feb 15, 2011
Description
Feb 15, 2011
Drawings
Feb 15, 2011
Priority document (RO-procedure)

EP2536456

SANOFI AVENTIS DEUTSCHLAND

Application Number: EP11706198A
Filing Date: Feb 15, 2011
Status: Opposition Rejected; Aug 1, 2025
Publication Date: Apr 28, 2021
External Links: Slate, Register , Google Patents

IP Verse

Automatic Injection Device With Torsional Spring

Patent Summary

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Dossier Documents

EP2536456