Method For Treating A Gas Turbine Blade And Gas Turbine Having Said Blade

Patent No. EP2882939 (titled "Method For Treating A Gas Turbine Blade And Gas Turbine Having Said Blade") was filed by Siemens on Oct 5, 2012. The application was issued on Jan 8, 2020.

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
ANSALDO ENERGIA SWITZERLAND	Oct 7, 2020	STUDIO TORTA

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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Apr 9, 2025
Refund of fees
Apr 7, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 7, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 7, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 7, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 2, 2025
(Electronic) Receipt
Apr 2, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Apr 2, 2025
Letter accompanying subsequently filed items
Apr 2, 2025
Withdrawal of an appeal
Mar 12, 2025
F3345 Forwarding of submissions to parties
Mar 7, 2025
(Electronic) Receipt
Mar 7, 2025
Letter accompanying subsequently filed items
Mar 7, 2025
Oral proceedings: reply to date proposed
Mar 3, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 3, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 6, 2025
F3345 Forwarding of submissions to parties
Feb 3, 2025
(Electronic) Receipt
Feb 3, 2025
Letter accompanying subsequently filed items
Feb 3, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 20, 2025
F3345 Forwarding of submissions to parties
Jan 15, 2025
(Electronic) Receipt
Jan 15, 2025
Letter accompanying subsequently filed items
Jan 15, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 13, 2024
F3345 Forwarding of submissions to parties
Sep 10, 2024
(Electronic) Receipt
Sep 10, 2024
Letter accompanying subsequently filed items
Sep 10, 2024
Reply to appeal
Jun 28, 2024
F3011.1 Oral Proceedings: summons
Jun 28, 2024
F3011.1 Oral Proceedings: summons
Jun 25, 2024
F3010 Oral proceedings: order for summons
May 10, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 6, 2024
Composition of the board (T)
Aug 31, 2023
Request concerning representative opponent
Feb 1, 2023
Letter accompanying subsequently filed items
Feb 1, 2023
Submission concerning change of applicant's address
Jan 12, 2023
Advice of delivery
Jan 11, 2023
F3204 Communication of the file number to the parties
Jan 11, 2023
F3204 Communication of the file number to the parties
Jan 5, 2023
(Electronic) Receipt
Jan 5, 2023
Letter accompanying subsequently filed items
Jan 5, 2023
Notice of appeal
Jan 3, 2023
(Electronic) Receipt
Jan 3, 2023
Advice of delivery
Jan 3, 2023
Letter accompanying subsequently filed items
Jan 2, 2023
Annex to the communication - opposition
Jan 2, 2023
Decision of the Opposition Division and instruction
Jan 2, 2023
Decision revoking the European patent
Jan 2, 2023
Decision revoking the European patent
Jan 2, 2023
Grounds for the decision (Annex) - opposition
Jan 2, 2023
Means of redress
Jan 2, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 2, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 2, 2023
Provision of a copy of the minutes - opposition procedure
Jan 2, 2023
Provision of a copy of the minutes - opposition procedure
Jan 2, 2023
Scanned annex to a communication - opposition procedure
Jan 2, 2023
Transmittal of decision / summons - opposition
Jan 2, 2023
Transmittal of decision / summons - opposition
Dec 2, 2022
Information about the result of oral proceedings
Nov 22, 2022
Annex
Nov 22, 2022
Request concerning representative opponent
Oct 10, 2022
Brief communication - Opposition proceedings
Oct 3, 2022
(Electronic) Receipt
Oct 3, 2022
Letter accompanying subsequently filed items
Oct 3, 2022
Request for interpreters during oral proceedings
Sep 21, 2022
Brief communication - Opposition proceedings
Sep 14, 2022
(Electronic) Receipt
Sep 14, 2022
Letter accompanying subsequently filed items
Sep 14, 2022
Written submission in preparation to/during oral proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 11, 2022
(Electronic) Receipt
Aug 11, 2022
Letter accompanying subsequently filed items
Aug 11, 2022
Written submission in preparation to/during oral proceedings
Aug 8, 2022
Brief communication - Opposition proceedings
Jul 29, 2022
(Electronic) Receipt
Jul 29, 2022
Citation in opposition procedure - 010
Jul 29, 2022
Consolidated list of cited opposition documents
Jul 29, 2022
Letter accompanying subsequently filed items
Jul 29, 2022
Written submission in preparation to/during oral proceedings
Jun 8, 2022
Notification concerning the date of oral proceedings
May 3, 2022
Brief communication - Opposition proceedings
May 3, 2022
Notification concerning the date of oral proceedings
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Request for interpreters during oral proceedings
Apr 25, 2022
Written submission in preparation to/during oral proceedings
Apr 5, 2022
Advice of delivery
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Advice of delivery
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 30, 2022
Annex to the communication - opposition
Mar 30, 2022
Information concerning oral proceedings
Mar 30, 2022
Summons to attend oral proceedings
Mar 30, 2022
Summons to attend oral proceedings
Mar 30, 2022
Transmittal of decision / summons - opposition
Mar 30, 2022
Transmittal of decision / summons - opposition
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Auxiliary request during Opposition procedure
Feb 18, 2021
Auxiliary request during Opposition procedure - 01
Feb 18, 2021
Letter accompanying subsequently filed items
Feb 18, 2021
Reply of the patent proprietor to the notice(s) of opposition
Dec 23, 2020
Communication of the registration of a transfer or change of name and/or address
Oct 22, 2020
Communication of a notice of opposition and request to file observations
Oct 22, 2020
Notice of further oppositions to opponent(s)
Oct 13, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 7, 2020
(Electronic) Receipt
Oct 7, 2020
Any annexes (other than citation) to an opposition letter
Oct 7, 2020
Citation in opposition procedure - 001
Oct 7, 2020
Citation in opposition procedure - 002
Oct 7, 2020
Citation in opposition procedure - 003
Oct 7, 2020
Citation in opposition procedure - 004
Oct 7, 2020
Citation in opposition procedure - 005
Oct 7, 2020
Citation in opposition procedure - 006
Oct 7, 2020
Citation in opposition procedure - 007
Oct 7, 2020
Citation in opposition procedure - 008
Oct 7, 2020
Citation in opposition procedure - 009
Oct 7, 2020
Letter accompanying subsequently filed items
Oct 7, 2020
Notice of opposition
Oct 7, 2020
Notice of opposition
Jan 20, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 12, 2019
Decision to grant a European patent
Nov 29, 2019
(Electronic) Receipt
Nov 29, 2019
English translation of the claims
Nov 29, 2019
French translation of claims
Nov 29, 2019
Letter accompanying subsequently filed items
Sep 20, 2019
Bibliographic data of the European patent application
Sep 20, 2019
Communication about intention to grant a European patent
Sep 20, 2019
Intention to grant (signatures)
Sep 20, 2019
Text intended for grant (clean copy)
Sep 20, 2019
Text intended for grant (version for approval)
Jul 1, 2019
Advice of delivery
Jul 1, 2019
Notification concerning the date of oral proceedings
Jun 27, 2019
(Electronic) Receipt
Jun 27, 2019
Amended claims with annotations
Jun 27, 2019
Amended description with annotations
Jun 27, 2019
Annex to the communication
Jun 27, 2019
Claims
Jun 27, 2019
Communication from the Examining Division
Jun 27, 2019
Description
Jun 27, 2019
Letter accompanying subsequently filed items
Jun 27, 2019
Reply to communication from the Examining Division
Jun 18, 2019
(Electronic) Receipt
Jun 18, 2019
Letter accompanying subsequently filed items
Jun 18, 2019
Written submission in preparation to/during oral proceedings
Apr 10, 2019
Notification concerning the date of oral proceedings
Mar 5, 2019
(Electronic) Receipt
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Amended claims with annotations
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Claims
Mar 5, 2019
Letter accompanying subsequently filed items
Mar 5, 2019
Written submission in preparation to/during oral proceedings
Feb 26, 2019
Advice of delivery
Feb 8, 2019
Advice of delivery
Feb 4, 2019
Acknowledgement of a document
Feb 4, 2019
Annex to the communication
Feb 4, 2019
Summons to attend oral proceedings
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Amended claims with annotations
Jul 25, 2018
Claims
Jul 25, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Reply to communication from the Examining Division
Jul 13, 2018
Annex to the communication
Jul 13, 2018
Communication from the Examining Division
Jul 6, 2018
Examination started
Apr 16, 2018
Notification regarding date of start of examination with possibility to withdraw
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
Jun 1, 2015
(Electronic) Receipt
Jun 1, 2015
Letter accompanying subsequently filed items
Jun 1, 2015
Matter concerning the application
May 21, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
May 20, 2015
Notification on forthcoming publication of bibliographic data
May 8, 2015
Communication to designated inventor
May 8, 2015
Communication to designated inventor
May 8, 2015
Communication to designated inventor
May 8, 2015
Communication to designated inventor
May 8, 2015
Communication to designated inventor
May 8, 2015
Communication to designated inventor
Apr 21, 2015
Copy of the international preliminary report on patentability
Mar 12, 2015
(Electronic) Receipt
Mar 12, 2015
Amended claims filed after receipt of (European) search report
Mar 12, 2015
Request for entry into the European phase
Feb 13, 2015
Information on entry into European phase
Apr 10, 2014
Copy of the international search report
Apr 10, 2014
Copy of the international search report
Apr 10, 2014
Published international application - A1
Jul 15, 2013
Written opinion of the ISA, boxes No. I to VIII
Jul 15, 2013
Written opinion of the ISA, cover sheet
Jul 15, 2013
Written opinion of the ISA, supplemental box
Oct 5, 2012
(Electronic) Receipt

EP2882939

SIEMENS

Application Number: EP12772752A
Filing Date: Oct 5, 2012
Status: Revoked; Apr 11, 2025
Publication Date: Jan 8, 2020
External Links: Slate, Register , Google Patents

IP Verse

Method For Treating A Gas Turbine Blade And Gas Turbine Having Said Blade

Patent Summary

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Patent Oppositions

Dossier Documents

EP2882939