Titania-Doped Quartz Glass And Making Method

Patent No. EP2426091 (titled "Titania-Doped Quartz Glass And Making Method") was filed by Shin Etsu Chemical on Aug 31, 2011. The application was issued on Sep 6, 2023.

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
CORNING INCORPORATED	Aug 28, 2018	ELKINGTON AND FIFE

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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Aug 10, 2023
Decision to maintain the European patent in amended form
Aug 10, 2023
Decision to maintain the European patent in amended form
Aug 4, 2023
Termination of the opposition proceedings with maintenance of patent
Jun 14, 2023
(Electronic) Receipt
Jun 14, 2023
Description
Jun 14, 2023
Filing of the translation of the amended claims
Jun 14, 2023
French translation of claims
Jun 14, 2023
German translation of the claims
Jun 14, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Brief communication - Opposition proceedings
Jun 7, 2023
Communication concerning corrected entries of the applicant
May 30, 2023
(Electronic) Receipt
May 30, 2023
Letter accompanying subsequently filed items
May 30, 2023
Request for correction of client data
Mar 17, 2023
Communication of bibliographic data
Mar 17, 2023
Communication to opponent concerning maintenance
Mar 17, 2023
Communication with request to file translations
Mar 15, 2023
Refund of fees
Mar 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 13, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 13, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 13, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 10, 2023
Maintenance of the patent with the documents specified in the final decision
Mar 10, 2023
Maintenance of the patent with the documents specified in the final decision
Feb 21, 2023
(Electronic) Receipt
Feb 21, 2023
F3345 Forwarding of submissions to parties
Feb 21, 2023
Letter accompanying subsequently filed items
Feb 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 10, 2023
F3345 Forwarding of submissions to parties
Feb 9, 2023
F3345 Forwarding of submissions to parties
Feb 7, 2023
(Electronic) Receipt
Feb 7, 2023
Letter accompanying subsequently filed items
Feb 7, 2023
Request for interpreters during oral proceedings
Feb 6, 2023
(Electronic) Receipt
Feb 6, 2023
(Electronic) Receipt
Feb 6, 2023
Letter accompanying subsequently filed items
Feb 6, 2023
Letter accompanying subsequently filed items
Feb 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 6, 2023
Request for interpreters during oral proceedings
Jan 30, 2023
F3004 Communication of the Registry
Jan 30, 2023
F3004 Communication of the Registry
Jan 30, 2023
F3345 Forwarding of submissions to parties
Jan 25, 2023
(Electronic) Receipt
Jan 25, 2023
Letter accompanying subsequently filed items
Jan 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 20, 2023
Oral proceedings: change of venue
Jan 20, 2023
Oral proceedings: change of venue
Oct 25, 2022
F3345 Forwarding of submissions to parties
Oct 19, 2022
(Electronic) Receipt
Oct 19, 2022
Letter accompanying subsequently filed items
Oct 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 8, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 8, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 8, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 23, 2022
F3011.1 Oral Proceedings: summons
Jun 23, 2022
F3011.1 Oral Proceedings: summons
Jun 20, 2022
F3010 Oral proceedings: order for summons
Sep 21, 2021
Composition of the board (T)
Jun 11, 2021
F3345 Forwarding of submissions to parties
Jun 8, 2021
(Electronic) Receipt
Jun 8, 2021
Annexes (other than cited documents) regarding appeal procedure
Jun 8, 2021
Letter accompanying subsequently filed items
Jun 8, 2021
Letter relating to Appeal Procedure
Nov 11, 2020
F3345 Forwarding of submissions to parties
Nov 6, 2020
(Electronic) Receipt
Nov 6, 2020
Amended claims with annotations
Nov 6, 2020
Amended claims with annotations
Nov 6, 2020
Cited document during appeal procedure
Nov 6, 2020
Cited document during appeal procedure
Nov 6, 2020
Cited document during appeal procedure
Nov 6, 2020
Claims
Nov 6, 2020
Claims
Nov 6, 2020
Letter accompanying subsequently filed items
Nov 6, 2020
Reply to appeal
Nov 6, 2020
Reply to appeal
Jun 26, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 22, 2020
(Electronic) Receipt
Jun 22, 2020
Cited document during appeal procedure
Jun 22, 2020
Cited document during appeal procedure
Jun 22, 2020
Letter accompanying subsequently filed items
Jun 22, 2020
Statement of grounds of appeal
Jun 22, 2020
Statement of grounds of appeal
Apr 1, 2020
F3204 Communication of the file number to the parties
Apr 1, 2020
F3204 Communication of the file number to the parties
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Notice of appeal
Mar 19, 2020
Document concerning representation
Feb 26, 2020
(Electronic) Receipt
Feb 26, 2020
Advice of delivery
Feb 26, 2020
Advice of delivery
Feb 26, 2020
Letter accompanying subsequently filed items
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Annex to the communication - opposition
Feb 21, 2020
Decision of the Opposition Division and instruction
Feb 21, 2020
Grounds for the decision (Annex) - opposition
Feb 21, 2020
Interlocutory decision in opposition proceedings
Feb 21, 2020
Internal form - Opposition/addressees
Feb 21, 2020
Internal form - Opposition/addressees
Feb 21, 2020
Means of redress
Feb 21, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 21, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 21, 2020
OPPODREX with handwritten amendments
Feb 21, 2020
Provision of a copy of the minutes - opposition procedure
Feb 21, 2020
Scanned annex to a communication - opposition procedure
Jan 31, 2020
Brief communication - Opposition proceedings
Jan 27, 2020
(Electronic) Receipt
Jan 27, 2020
Clean copy of description pages in the opposition procedure
Jan 27, 2020
Letter accompanying subsequently filed items
Jan 27, 2020
Letter regarding the opposition procedure (no time limit)
Jan 23, 2020
Information about the result of oral proceedings
Nov 28, 2019
Brief communication - Opposition proceedings
Nov 28, 2019
Brief communication - Opposition proceedings
Nov 22, 2019
(Electronic) Receipt
Nov 22, 2019
Claims
Nov 22, 2019
Claims
Nov 22, 2019
Letter accompanying subsequently filed items
Nov 22, 2019
Non-patent literature cited during the opposition procedure
Nov 22, 2019
Written submission in preparation to/during oral proceedings
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
Letter accompanying subsequently filed items
Nov 21, 2019
Letter accompanying subsequently filed items
Nov 21, 2019
Notice of opposition
Nov 21, 2019
Written submission in preparation to/during oral proceedings
Nov 21, 2019
Written submission in preparation to/during oral proceedings
Jul 8, 2019
Advice of delivery
Jul 1, 2019
Advice of delivery
Jun 27, 2019
Advice of delivery
Jun 26, 2019
Advice of delivery
Jun 26, 2019
Advice of delivery
Jun 19, 2019
Acknowledgement of a document
Jun 19, 2019
Acknowledgement of a document
Jun 19, 2019
Information concerning oral proceedings
Jun 19, 2019
Information concerning oral proceedings
Jun 19, 2019
Summons to attend oral proceedings
Jun 19, 2019
Summons to attend oral proceedings
Jun 18, 2019
Notification concerning the date of oral proceedings
Jun 18, 2019
Notification concerning the date of oral proceedings
May 27, 2019
Advice of delivery
May 21, 2019
Brief communication - Opposition proceedings
May 15, 2019
(Electronic) Receipt
May 15, 2019
Any annexes (other than citation) to an opposition letter
May 15, 2019
Any annexes (other than citation) to an opposition letter
May 15, 2019
Letter accompanying subsequently filed items
May 15, 2019
Written submission in preparation to/during oral proceedings
May 14, 2019
Advice of delivery
May 10, 2019
Advice of delivery
May 8, 2019
Acknowledgement of a document
May 8, 2019
Acknowledgement of a document
May 8, 2019
Annex to the communication - opposition
May 8, 2019
Information concerning oral proceedings
May 8, 2019
Summons to attend oral proceedings
May 8, 2019
Summons to attend oral proceedings
Feb 4, 2019
Brief communication - Opposition proceedings
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Amended claims with annotations
Jan 25, 2019
Any annexes (other than citation) to an opposition letter
Jan 25, 2019
Auxiliary request during Opposition procedure
Jan 25, 2019
Auxiliary request during Opposition procedure
Jan 25, 2019
Auxiliary request during Opposition procedure
Jan 25, 2019
Auxiliary request during Opposition procedure
Jan 25, 2019
Auxiliary request during Opposition procedure
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 25, 2019
Main request during Opposition procedure
Jan 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 14, 2018
Submission concerning change of applicant's representative
Dec 13, 2018
Submission concerning change of applicant's representative
Dec 11, 2018
Communication of amended entries
Oct 2, 2018
Request concerning representative opponent
Sep 18, 2018
Communication of a notice of opposition and request to file observations
Sep 18, 2018
Notice of further oppositions to opponent(s)
Sep 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Any annexes (other than citation) to an opposition letter
Aug 28, 2018
Non-patent literature cited during the opposition procedure
Aug 28, 2018
Non-patent literature cited during the opposition procedure
Aug 28, 2018
Non-patent literature cited during the opposition procedure
Aug 28, 2018
Non-patent literature cited during the opposition procedure
Aug 28, 2018
Notice of opposition
Aug 28, 2018
Notice of opposition
Aug 28, 2018
Patent document cited during the opposition procedure
Aug 28, 2018
Patent document cited during the opposition procedure
Aug 28, 2018
Patent document cited during the opposition procedure
Aug 28, 2018
Patent document cited during the opposition procedure
Aug 28, 2018
Patent document cited during the opposition procedure
Dec 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 6, 2017
Decision to grant a European patent
Oct 25, 2017
Brief communication to applicant/representative
Oct 18, 2017
(Electronic) Receipt
Oct 18, 2017
Filing of the translations of the claims
Oct 18, 2017
French translation of claims
Oct 18, 2017
German translation of the claims
Oct 18, 2017
Letter accompanying subsequently filed items
Jun 21, 2017
Bibliographic data of the European patent application
Jun 21, 2017
Communication about intention to grant a European patent
Jun 21, 2017
Intention to grant (signatures)
Jun 21, 2017
Text intended for grant (clean copy)
Jun 21, 2017
Text intended for grant (version for approval)
Mar 24, 2017
Examination started
Dec 12, 2016
Notification regarding date of start of examination with possibility to withdraw
Nov 24, 2016
Result of consultation by telephone/in person
Nov 22, 2016
(Electronic) Receipt
Nov 22, 2016
Enquiry as to the processing of the file
Nov 22, 2016
Letter accompanying subsequently filed items
May 11, 2015
Submission concerning representation
May 8, 2015
Submission concerning representation
Oct 29, 2012
Brief communication to applicant/representative
Oct 23, 2012
(Electronic) Receipt
Oct 23, 2012
General enquiry
Oct 23, 2012
Letter accompanying subsequently filed items
Oct 19, 2012
Application deemed to be withdrawn (non-reply to Written Opinion)
Sep 6, 2012
(Electronic) Receipt
Sep 6, 2012
Amended claims with annotations
Sep 6, 2012
Amended description with annotations
Sep 6, 2012
Amendments received before examination
Sep 6, 2012
Claims
Sep 6, 2012
Letter accompanying subsequently filed items
Mar 28, 2012
(Electronic) Receipt
Mar 28, 2012
Letter accompanying subsequently filed items
Mar 12, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Feb 8, 2012
Notification of forthcoming publication
Dec 1, 2011
Communication regarding the transmission of the European search report
Dec 1, 2011
European search opinion
Dec 1, 2011
European search report
Nov 23, 2011
Confirmation of receipt of (electronically) transmitted priority document
Nov 2, 2011
Priority document (electronically transmitted)
Sep 19, 2011
Payment of fees and costs
Aug 31, 2011
Abstract
Aug 31, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 31, 2011
Claims
Aug 31, 2011
Description
Aug 31, 2011
Designation of inventor
Aug 31, 2011
Designation of inventor
Aug 31, 2011
Designation of inventor
Aug 31, 2011
Designation of inventor
Aug 31, 2011
Drawings
Aug 31, 2011
Request for grant of a European patent
Aug 31, 2011
Submission concerning representation

EP2426091

SHIN ETSU CHEMICAL

Application Number: EP11179625A
Filing Date: Aug 31, 2011
Status: Patent Maintained As Amended; Aug 4, 2023
Publication Date: Sep 6, 2023
External Links: Slate, Register , Google Patents

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Titania-Doped Quartz Glass And Making Method

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Dossier Documents

EP2426091