Planetary Gear Unit

Patent No. EP3081831 (titled "Planetary Gear Unit") was filed by Flender on Apr 17, 2015. The application was issued on Nov 1, 2017.

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
VOITH PATENT	Jul 30, 2018	NISSL

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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Jan 12, 2026
F3204 Communication of the file number to the parties
Jan 12, 2026
F3204 Communication of the file number to the parties
Jan 2, 2026
(Electronic) Receipt
Jan 2, 2026
Letter accompanying subsequently filed items
Jan 2, 2026
Notice of appeal
Nov 3, 2025
Annex to the communication - opposition
Nov 3, 2025
Brief communication - Opposition proceedings
Nov 3, 2025
Brief communication - Opposition proceedings
Nov 3, 2025
Decision of the Opposition Division and instruction
Nov 3, 2025
Druckexemplar in opposition procedure
Nov 3, 2025
Grounds for the decision (Annex) - opposition
Nov 3, 2025
Interlocutory decision in opposition proceedings
Nov 3, 2025
Interlocutory decision in opposition proceedings
Nov 3, 2025
Means of redress
Nov 3, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 3, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 3, 2025
Provision of a copy of the minutes - opposition procedure
Nov 3, 2025
Provision of a copy of the minutes - opposition procedure
Nov 3, 2025
Scanned annex to a communication - opposition procedure
Sep 16, 2025
Information about the result of oral proceedings
Sep 10, 2025
Notification concerning the date of oral proceedings
Sep 10, 2025
Notification concerning the date of oral proceedings
Sep 3, 2025
Brief communication - Opposition proceedings
Sep 1, 2025
(Electronic) Receipt
Sep 1, 2025
Letter accompanying subsequently filed items
Sep 1, 2025
Written submission in preparation to/during oral proceedings
Jul 21, 2025
Brief communication - Opposition proceedings
Jul 18, 2025
Brief communication - Opposition proceedings
Jul 16, 2025
(Electronic) Receipt
Jul 16, 2025
(Electronic) Receipt
Jul 16, 2025
Letter accompanying subsequently filed items
Jul 16, 2025
Request for interpreters during oral proceedings
Jul 16, 2025
Written submission in preparation to/during oral proceedings
Jul 15, 2025
(Electronic) Receipt
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure
Jul 15, 2025
Auxiliary request during Opposition procedure - 01
Jul 15, 2025
Auxiliary request during Opposition procedure - 02
Jul 15, 2025
Auxiliary request during Opposition procedure - 03
Jul 15, 2025
Auxiliary request during Opposition procedure - 04
Jul 15, 2025
Auxiliary request during Opposition procedure - 05
Jul 15, 2025
Auxiliary request during Opposition procedure - 06
Jul 15, 2025
Auxiliary request during Opposition procedure - 07
Jul 15, 2025
Auxiliary request during Opposition procedure - 08
Jul 15, 2025
Auxiliary request during Opposition procedure - 09
Jul 15, 2025
Letter accompanying subsequently filed items
Jul 15, 2025
Main request during Opposition procedure
Jul 15, 2025
Main request during Opposition procedure
Jul 15, 2025
Written submission in preparation to/during oral proceedings
May 6, 2025
Brief communication - Opposition proceedings
Apr 25, 2025
(Electronic) Receipt
Apr 25, 2025
Letter accompanying subsequently filed items
Apr 25, 2025
Request for interpreters during oral proceedings
Dec 9, 2024
Annex to the communication - opposition
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 9, 2024
Scanned annex to a communication - opposition procedure
Dec 9, 2024
Summons to attend oral proceedings
Dec 9, 2024
Summons to attend oral proceedings
Sep 9, 2024
Decision of the Board of Appeal
Sep 9, 2024
F3032 Notification(s) of the decision
Sep 9, 2024
F3032 Notification(s) of the decision
Jul 29, 2024
F3013 Oral Proceedings: Forwarding minutes
Jul 29, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jun 21, 2024
F3345 Forwarding of submissions to parties
Jun 14, 2024
(Electronic) Receipt
Jun 14, 2024
Letter accompanying subsequently filed items
May 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 7, 2023
F3011.1 Oral Proceedings: summons
Dec 7, 2023
F3011.1 Oral Proceedings: summons
Dec 4, 2023
F3010 Oral proceedings: order for summons
Dec 1, 2023
F3303.16 Change of composition of the Board (T)
Mar 1, 2023
Composition of the board (T)
Aug 2, 2022
F3345 Forwarding of submissions to parties
Jul 25, 2022
(Electronic) Receipt
Jul 25, 2022
Amended claims with annotations
Jul 25, 2022
Amended claims with annotations
Jul 25, 2022
Amended claims with annotations
Jul 25, 2022
Amended description with annotations
Jul 25, 2022
Amended description with annotations
Jul 25, 2022
Amended description with annotations
Jul 25, 2022
Annexes (other than cited documents) regarding appeal procedure
Jul 25, 2022
Claims
Jul 25, 2022
Claims
Jul 25, 2022
Claims
Jul 25, 2022
Description
Jul 25, 2022
Description
Jul 25, 2022
Description
Jul 25, 2022
Letter regarding the opposition procedure (no time limit)
Jul 25, 2022
Reply to appeal
Apr 6, 2022
Document concerning representation
Mar 24, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Annexes (other than cited documents) regarding appeal procedure
Mar 18, 2022
Annexes (other than cited documents) regarding appeal procedure
Mar 18, 2022
Annexes (other than cited documents) regarding appeal procedure
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Statement of grounds of appeal
Jan 26, 2022
F3204 Communication of the file number to the parties
Jan 26, 2022
F3204 Communication of the file number to the parties
Jan 14, 2022
(Electronic) Receipt
Jan 14, 2022
Letter accompanying subsequently filed items
Jan 14, 2022
Notice of appeal
Nov 10, 2021
Advice of delivery
Nov 8, 2021
Advice of delivery
Nov 8, 2021
Annex to the communication - opposition
Nov 8, 2021
Decision of the Opposition Division and instruction
Nov 8, 2021
Druckexemplar in opposition procedure
Nov 8, 2021
Grounds for the decision (Annex) - opposition
Nov 8, 2021
Interlocutory decision in opposition proceedings
Nov 8, 2021
Interlocutory decision in opposition proceedings
Nov 8, 2021
Means of redress
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 8, 2021
Provision of a copy of the minutes - opposition procedure
Nov 8, 2021
Provision of a copy of the minutes - opposition procedure
Nov 8, 2021
Scanned annex to a communication - opposition procedure
Nov 8, 2021
Transmittal of decision / summons - opposition
Nov 8, 2021
Transmittal of decision / summons - opposition
Oct 14, 2021
Information about the result of oral proceedings
Aug 9, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
Auxiliary request during Opposition procedure
Aug 4, 2021
Auxiliary request during Opposition procedure
Aug 4, 2021
Auxiliary request during Opposition procedure
Aug 4, 2021
Auxiliary request during Opposition procedure
Aug 4, 2021
Auxiliary request during Opposition procedure - 01
Aug 4, 2021
Auxiliary request during Opposition procedure - 02
Aug 4, 2021
Auxiliary request during Opposition procedure - 03
Aug 4, 2021
Auxiliary request during Opposition procedure - 04
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Description
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Request for interpreters during oral proceedings
Aug 4, 2021
Written submission in preparation to/during oral proceedings
Aug 3, 2021
(Electronic) Receipt
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 15, 2021
Notification concerning the date of oral proceedings
Jun 15, 2021
Notification concerning the date of oral proceedings
Apr 26, 2021
Communication of amended entries concerning the representative
Nov 20, 2020
Advice of delivery
Nov 16, 2020
Advice of delivery
Nov 13, 2020
Information concerning oral proceedings
Nov 13, 2020
Summons to attend oral proceedings
Nov 13, 2020
Summons to attend oral proceedings
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Advice of delivery
Sep 25, 2020
Advice of delivery
Sep 23, 2020
Notification concerning the date of oral proceedings
Sep 23, 2020
Notification concerning the date of oral proceedings
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Oral proceedings: reply to date proposed
Aug 28, 2020
Notification concerning the date of oral proceedings
Aug 28, 2020
Notification concerning the date of oral proceedings
Aug 27, 2020
Brief communication - Opposition proceedings
Aug 25, 2020
Brief communication - Opposition proceedings
Aug 21, 2020
(Electronic) Receipt
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 - 01
Aug 21, 2020
Auxiliary request during Opposition procedure - 02
Aug 21, 2020
Auxiliary request during Opposition procedure - 03
Aug 21, 2020
Letter accompanying subsequently filed items
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
Oral proceedings: reply to date proposed
Aug 21, 2020
Written submission in preparation to/during oral proceedings
Aug 19, 2020
(Electronic) Receipt
Aug 19, 2020
Consolidated list of cited opposition documents
Aug 19, 2020
Letter accompanying subsequently filed items
Aug 19, 2020
Non-patent literature cited during the opposition procedure
Aug 19, 2020
Non-patent literature cited during the opposition procedure
Aug 19, 2020
Written submission in preparation to/during oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Nov 7, 2019
Advice of delivery
Nov 7, 2019
Advice of delivery
Nov 7, 2019
Advice of delivery
Nov 5, 2019
Advice of delivery
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Annex to the communication - opposition
Oct 31, 2019
Information concerning oral proceedings
Oct 31, 2019
Summons to attend oral proceedings
Oct 31, 2019
Summons to attend oral proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Any annexes (other than citation) to an opposition letter
Mar 7, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Letter regarding the opposition procedure (no time limit)
Mar 7, 2019
Patent document cited during the opposition procedure
Dec 20, 2018
Brief communication - Opposition proceedings
Dec 17, 2018
(Electronic) Receipt
Dec 17, 2018
Amended claims with annotations
Dec 17, 2018
Amended claims with annotations
Dec 17, 2018
Amended claims with annotations
Dec 17, 2018
Auxiliary request during Opposition procedure
Dec 17, 2018
Auxiliary request during Opposition procedure
Dec 17, 2018
Auxiliary request during Opposition procedure
Dec 17, 2018
Letter accompanying subsequently filed items
Dec 17, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 16, 2018
Communication of a notice of opposition and request to file observations
Aug 16, 2018
Notice of further oppositions to opponent(s)
Aug 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 30, 2018
(Electronic) Receipt
Jul 30, 2018
Any annexes (other than citation) to an opposition letter
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Notice of opposition
Jul 30, 2018
Notice of opposition
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Dec 6, 2017
Communication of amended entries concerning the representative
Nov 30, 2017
Communication of the registration of a transfer or change of name and/or address
Nov 24, 2017
Annexes in respect of a client data request
Nov 24, 2017
Annexes in respect of a client data request
Nov 22, 2017
Authorisation
Nov 22, 2017
Authorisation
Nov 22, 2017
Authorisation
Nov 10, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 9, 2017
Annexes in respect of a client data request
Nov 9, 2017
Submission concerning a transfer of rights (applicant)
Nov 9, 2017
Submission concerning a transfer of rights (applicant)
Nov 9, 2017
Submission concerning change of applicant's representative
Oct 6, 2017
Decision to grant a European patent
Aug 17, 2017
(Electronic) Receipt
Aug 17, 2017
English translation of the claims
Aug 17, 2017
Filing of the translations of the claims
Aug 17, 2017
French translation of claims
Jul 31, 2017
Communication of the registration of a transfer or change of name and/or address
Jul 24, 2017
Submission concerning change of applicant's address
May 29, 2017
Bibliographic data of the European patent application
May 29, 2017
Communication about intention to grant a European patent
May 29, 2017
Intention to grant (signatures)
May 29, 2017
Text intended for grant (clean copy)
May 29, 2017
Text intended for grant (version for approval)
Oct 24, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 21, 2016
Notification of forthcoming publication
Sep 30, 2015
Communication regarding the transmission of the European search report
Sep 30, 2015
European search opinion
Sep 30, 2015
European search report
Jun 12, 2015
Communication to designated inventor
Jun 12, 2015
Communication to designated inventor
Apr 29, 2015
(Electronic) Receipt
Apr 29, 2015
Designation of inventor
Apr 29, 2015
Letter accompanying subsequently filed items
Apr 17, 2015
Abstract
Apr 17, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 17, 2015
Claims
Apr 17, 2015
Description
Apr 17, 2015
Designation of inventor
Apr 17, 2015
Designation of inventor
Apr 17, 2015
Designation of inventor
Apr 17, 2015
Designation of inventor
Apr 17, 2015
Drawings
Apr 17, 2015
Request for grant of a European patent

EP3081831

FLENDER

Application Number: EP15164055A
Filing Date: Apr 17, 2015
Status: Granted And Under Opposition; Sep 29, 2017
Publication Date: Nov 1, 2017
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3081831