IP Verse

Method For Cleaving Silicon-Silicon Bindings And/Or Silicon-Chlorine Bindings In Monosilanes, Polysilanes And/Or Oligosilanes

Patent No. EP3172261 (titled "Method For Cleaving Silicon-Silicon Bindings And/Or Silicon-Chlorine Bindings In Monosilanes, Polysilanes And/Or Oligosilanes") was filed by Momentive Performance Materials on Jul 20, 2015. The application was issued on May 4, 2022.

Patent Summary

Patent Family

Patent Oppositions

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
EVONIK OPERATIONS	Jul 15, 2019	F & E PATENT

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

Get instant alerts for new documents

Apr 7, 2022
Decision to maintain the European patent in amended form
Apr 7, 2022
Decision to maintain the European patent in amended form
Apr 5, 2022
Termination of the opposition proceedings with maintenance of patent
Mar 24, 2022
(Electronic) Receipt
Mar 24, 2022
English translation of the claims
Mar 24, 2022
Filing of the translation of the amended claims
Mar 24, 2022
French translation of claims
Mar 24, 2022
Letter accompanying subsequently filed items
Dec 15, 2021
Communication of bibliographic data
Dec 7, 2021
Maintenance of the patent with the documents specified in the final decision
Dec 7, 2021
Maintenance of the patent with the documents specified in the final decision
Sep 2, 2021
Advice of delivery
Sep 2, 2021
Advice of delivery
Aug 26, 2021
Decision of the Opposition Division and instruction
Aug 26, 2021
Druckexemplar in opposition procedure
Aug 26, 2021
Grounds for the decision (Annex) - opposition
Aug 26, 2021
Interlocutory decision in opposition proceedings
Aug 26, 2021
Interlocutory decision in opposition proceedings
Aug 26, 2021
Means of redress
Aug 26, 2021
Scanned annex to a communication - opposition procedure
Aug 26, 2021
Scanned annex to a communication - opposition procedure
Aug 26, 2021
Scanned annex to a communication - opposition procedure
Aug 26, 2021
Transmittal of decision / summons - opposition
Aug 26, 2021
Transmittal of decision / summons - opposition
Feb 5, 2021
Document concerning representation
Jan 28, 2021
Annex to the communication - opposition
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 28, 2021
Communication inviting the parties to file observations
Jan 28, 2021
Communication inviting the parties to file observations
Jan 28, 2021
Communication inviting the parties to file observations
Jan 28, 2021
Internal form - Opposition/addressees
Jan 27, 2021
Brief communication - Opposition proceedings
Jan 19, 2021
(Electronic) Receipt
Jan 19, 2021
Description
Jan 19, 2021
Letter accompanying subsequently filed items
Jan 19, 2021
Reply to an examination report in opposition proceedings
Nov 17, 2020
Advice of delivery
Nov 16, 2020
Advice of delivery
Nov 10, 2020
Acknowledgement of a document
Nov 10, 2020
Acknowledgement of a document
Nov 10, 2020
Annex to the communication - opposition
Nov 10, 2020
Communication inviting the parties to file observations
Nov 10, 2020
Internal form - Opposition/addressees
Aug 6, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
(Electronic) Receipt
Aug 3, 2020
Letter accompanying subsequently filed items
Aug 3, 2020
Reply to an examination report in opposition proceedings
Jul 21, 2020
Brief communication - Opposition proceedings
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Reply to an examination report in opposition proceedings
Mar 26, 2020
Annex to the communication - opposition
Mar 26, 2020
Communication inviting the parties to file observations
Mar 26, 2020
Internal form - Opposition/addressees
Mar 26, 2020
Scanned annex to a communication - opposition procedure
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Citation in opposition procedure - 009
Feb 17, 2020
Citation in opposition procedure - 010
Feb 17, 2020
Citation in opposition procedure - 011
Feb 17, 2020
Citation in opposition procedure - 012
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Consolidated list of cited opposition documents
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 17, 2019
Brief communication - Opposition proceedings
Dec 17, 2019
Grant of extension of time limit (opposition procedure)
Dec 10, 2019
(Electronic) Receipt
Dec 10, 2019
Letter accompanying subsequently filed items
Dec 10, 2019
Request for extension of time limit
Aug 22, 2019
Brief communication - Opposition proceedings
Aug 14, 2019
(Electronic) Receipt
Aug 14, 2019
Citation in opposition procedure - 001
Aug 14, 2019
Letter accompanying subsequently filed items
Aug 14, 2019
Letter regarding the opposition procedure (no time limit)
Aug 9, 2019
Brief communication - Opposition proceedings
Aug 9, 2019
Request for documents
Aug 7, 2019
Communication of a notice of opposition and request to file observations
Aug 7, 2019
Notice of further oppositions to opponent(s)
Jul 18, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 15, 2019
(Electronic) Receipt
Jul 15, 2019
Any annexes (other than citation) to an opposition letter
Jul 15, 2019
Citation in opposition procedure - 002
Jul 15, 2019
Citation in opposition procedure - 003
Jul 15, 2019
Citation in opposition procedure - 004
Jul 15, 2019
Citation in opposition procedure - 005
Jul 15, 2019
Citation in opposition procedure - 006
Jul 15, 2019
Citation in opposition procedure - 007
Jul 15, 2019
Citation in opposition procedure - 008
Jul 15, 2019
International publication (Pamphlet)
Jul 15, 2019
Letter accompanying subsequently filed items
Jul 15, 2019
Non-patent literature cited during the opposition procedure
Jul 15, 2019
Notice of opposition
Jul 15, 2019
Notice of opposition
Nov 5, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 27, 2018
Decision to grant a European patent
Sep 11, 2018
(Electronic) Receipt
Sep 11, 2018
English translation of the claims
Sep 11, 2018
Filing of the translations of the claims
Sep 11, 2018
French translation of claims
Sep 11, 2018
Letter accompanying subsequently filed items
May 14, 2018
Bibliographic data of the European patent application
May 14, 2018
Communication about intention to grant a European patent
May 14, 2018
Intention to grant (signatures)
May 14, 2018
Text intended for grant (clean copy)
May 14, 2018
Text intended for grant (version for approval)
Mar 28, 2018
Examination started
Nov 28, 2017
(Electronic) Receipt
Nov 28, 2017
Letter accompanying subsequently filed items
Nov 28, 2017
Statement of non-availability of priority search results
Oct 18, 2017
Invitation to file a copy of search results(priority)
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Amended claims filed after receipt of (European) search report
Sep 7, 2017
Amended claims with annotations
Sep 7, 2017
Amendments received before examination
Sep 7, 2017
Amendments received before examination
Sep 7, 2017
Annex
Sep 7, 2017
Letter accompanying subsequently filed items
Sep 7, 2017
Letter accompanying subsequently filed items
May 4, 2017
Notification on forthcoming publication of bibliographic data
May 4, 2017
Refund of fees
Apr 5, 2017
(Electronic) Receipt
Apr 5, 2017
Letter accompanying subsequently filed items
Apr 5, 2017
Letter concerning the inventor
Mar 30, 2017
Invitation to indicate correct address of inventor
Mar 24, 2017
Letter which had not been notified
Mar 1, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 27, 2017
Communication to designated inventor
Feb 27, 2017
Communication to designated inventor
Feb 27, 2017
Communication to designated inventor
Feb 7, 2017
Copy of the international preliminary report on patentability
Jan 18, 2017
(Electronic) Receipt
Jan 18, 2017
Request for entry into the European phase
Jan 16, 2017
Notification of the recording of a change
Jan 16, 2017
Notification of the recording of a change
Jan 16, 2017
Notification of the recording of a change
Jan 16, 2017
Notification of the recording of a change
Dec 2, 2016
Information on entry into European phase
Feb 16, 2016
Priority document (electronically transmitted)
Jan 28, 2016
Copy of the international search report
Jan 28, 2016
Published international application - A1
Dec 16, 2015
ISR: cited documents
Dec 16, 2015
International Search Report - copy in English for the IB
Dec 15, 2015
Written opinion of the ISA, boxes No. I to VIII
Dec 15, 2015
Written opinion of the ISA, cover sheet
Dec 15, 2015
Written opinion of the ISA, supplemental box
Nov 17, 2015
Notification of receipt of Search copy
Nov 12, 2015
Substitute sheet (Rule 26) - description for ISA/EP
Nov 12, 2015
Substitute sheet (Rule 26) - drawings for ISA/EP
Nov 6, 2015
Abstract
Nov 6, 2015
Claims
Nov 6, 2015
Description
Nov 6, 2015
Incoming letter related to ISA procedure
Nov 6, 2015
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Nov 6, 2015
Request form for international application (copy for ISA/EP)

EP3172261

MOMENTIVE PERFORMANCE MATERIALS

Application Number: EP15788316A
Filing Date: Jul 20, 2015
Status: Patent Maintained As Amended; Apr 2, 2022
Publication Date: May 4, 2022
External Links: Slate, Register , Google Patents