Room-Temperature-Curable Polyorganosiloxane Composition

Patent No. EP2708579 (titled "Room-Temperature-Curable Polyorganosiloxane Composition") was filed by Momentive Performance Materials Japan on May 10, 2012. The application was issued on Apr 27, 2016.

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
SIKA TECHNOLOGY	Jan 26, 2017	SIKA PATENT ATTORNEYS

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

Feb 20, 2019
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 20, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 15, 2019
Termination of the opposition proceedings with maintenance of patent
Dec 11, 2018
Advice of delivery
Nov 13, 2018
Advice of delivery
Nov 12, 2018
Advice of delivery
Nov 6, 2018
Acknowledgement of a document
Nov 6, 2018
Acknowledgement of a document
Nov 6, 2018
Decision of the Opposition Division and instruction
Nov 6, 2018
Decision rejecting the opposition
Nov 6, 2018
Grounds for the decision (Annex) - opposition
Nov 6, 2018
Internal form - Opposition/addressees
Nov 5, 2018
Annex to the communication - opposition
Nov 5, 2018
Internal form - Opposition/addressees
Nov 5, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 5, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 5, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 5, 2018
Provision of a copy of the minutes - opposition procedure
Sep 24, 2018
Information about the result of oral proceedings
Jul 31, 2018
Brief communication - Opposition proceedings
Jul 30, 2018
Brief communication - Opposition proceedings
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Letter regarding the opposition procedure (no time limit)
Jul 25, 2018
Letter regarding the opposition procedure (no time limit)
Jul 24, 2018
(Electronic) Receipt
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Auxiliary request during Opposition procedure
Jul 24, 2018
Auxiliary request during Opposition procedure
Jul 24, 2018
Auxiliary request during Opposition procedure
Jul 24, 2018
Auxiliary request during Opposition procedure
Jul 24, 2018
Auxiliary request during Opposition procedure
Jul 24, 2018
Brief communication - Opposition proceedings
Jul 24, 2018
Letter accompanying subsequently filed items
Jul 24, 2018
Letter regarding the opposition procedure (no time limit)
Jul 24, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Request for interpreters during oral proceedings
Jun 15, 2018
Brief communication - Opposition proceedings
Jun 11, 2018
(Electronic) Receipt
Jun 11, 2018
Citation in opposition procedure
Jun 11, 2018
Letter accompanying subsequently filed items
Jun 11, 2018
Letter regarding the opposition procedure (no time limit)
Feb 28, 2018
Advice of delivery
Feb 27, 2018
Advice of delivery
Feb 27, 2018
Cover sheet for fax transmission
Feb 16, 2018
Advice of delivery
Feb 16, 2018
Advice of delivery
Feb 16, 2018
Cover sheet for fax transmission
Feb 13, 2018
Acknowledgement of a document
Feb 13, 2018
Acknowledgement of a document
Feb 13, 2018
Annex to the communication - opposition
Feb 13, 2018
Information concerning oral proceedings
Feb 13, 2018
Preparation for oral proceedings
Feb 13, 2018
Summons to attend oral proceedings
Feb 13, 2018
Summons to attend oral proceedings
Feb 6, 2018
Information about the result of oral proceedings
Sep 27, 2017
Brief communication - Opposition proceedings
Sep 21, 2017
Letter regarding the opposition procedure (no time limit)
Sep 21, 2017
Non-patent literature cited during the opposition procedure
Jul 21, 2017
Brief communication - Opposition proceedings
Jul 17, 2017
(Electronic) Receipt
Jul 17, 2017
Amended claims with annotations
Jul 17, 2017
Citation in opposition procedure
Jul 17, 2017
Claims
Jul 17, 2017
Claims
Jul 17, 2017
Letter accompanying subsequently filed items
Jul 17, 2017
Non-patent literature cited during the opposition procedure
Jul 17, 2017
Non-patent literature cited during the opposition procedure
Jul 17, 2017
Non-patent literature cited during the opposition procedure
Jul 17, 2017
Reply of the patent proprietor to the notice(s) of opposition
Mar 7, 2017
Communication of a notice of opposition and request to file observations
Mar 7, 2017
Notice of further oppositions to opponent(s)
Feb 3, 2017
Communication of a notice of opposition - first information to patent proprietor
Jan 26, 2017
Non-patent literature cited during the opposition procedure
Jan 26, 2017
Non-patent literature cited during the opposition procedure
Jan 26, 2017
Notice of opposition
Jan 26, 2017
Notice of opposition
Jan 26, 2017
Patent document cited during the opposition procedure
Jan 26, 2017
Patent document cited during the opposition procedure
Jan 26, 2017
Patent document cited during the opposition procedure
Jan 26, 2017
Patent document cited during the opposition procedure
Apr 27, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 1, 2016
Decision to grant a European patent
Mar 10, 2016
(Electronic) Receipt
Mar 10, 2016
French translation of claims
Mar 10, 2016
German translation of the claims
Mar 10, 2016
Letter accompanying subsequently filed items
Nov 2, 2015
Bibliographic data of the European patent application
Nov 2, 2015
Communication about intention to grant a European patent
Nov 2, 2015
Intention to grant (signatures)
Nov 2, 2015
Text intended for grant
Oct 13, 2015
Examination started
May 22, 2015
(Electronic) Receipt
May 22, 2015
Amended claims filed after receipt of (European) search report
May 22, 2015
Amended claims with annotations
May 22, 2015
Amended description filed after receipt of (European) search report
May 22, 2015
Amended description with annotations
May 22, 2015
Amendments received before examination
May 22, 2015
Letter accompanying subsequently filed items
Nov 13, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 27, 2014
Communication regarding the transmission of the European search report
Oct 27, 2014
European search opinion
Oct 27, 2014
Supplementary European search report
Oct 16, 2014
Search started
Jul 18, 2014
(Electronic) Receipt
Jul 18, 2014
Letter accompanying subsequently filed items
Jul 18, 2014
Submission concerning representation
Jun 17, 2014
Communication of amended entries concerning the representative
Jun 16, 2014
Submission concerning change of applicant's representative
Jun 11, 2014
Submission concerning change of applicant's representative
Feb 19, 2014
Notification of forthcoming publication
Jan 16, 2014
(Electronic) Receipt
Jan 16, 2014
Annex
Jan 16, 2014
Letter accompanying subsequently filed items
Jan 16, 2014
Matter concerning the application
Jan 13, 2014
Communication regarding possible amendment of the application/payment of claims fee
Dec 18, 2013
Communication to designated inventor
Dec 18, 2013
Communication to designated inventor
Dec 4, 2013
Copy of the international preliminary report on patentability
Dec 4, 2013
Translation of the international preliminary report on patentability
Jul 8, 2013
Information regarding early processing
Jun 27, 2013
(Electronic) Receipt
Jun 27, 2013
Abstract
Jun 27, 2013
Claims
Jun 27, 2013
Description
Jun 27, 2013
Request for entry into the European phase
Dec 12, 2012
Priority document (electronically transmitted)
Nov 22, 2012
Copy of the international search report
Nov 22, 2012
Copy of the translated international search report
Nov 22, 2012
International publication pamphlet

EP2708579

MOMENTIVE PERFORMANCE MATERIALS JAPAN

Application Number: EP12786117A
Filing Date: May 10, 2012
Status: Opposition Rejected; Feb 22, 2019
Publication Date: Apr 27, 2016
External Links: Slate, Register , Google Patents

IP Verse

Room-Temperature-Curable Polyorganosiloxane Composition

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2708579