Brillenglas Und Verfahren, Insbesondere 3D-Druckverfahren, Zu Dessen Herstellung

Patent No. EP3312661 (titled "Brillenglas Und Verfahren, Insbesondere 3D-Druckverfahren, Zu Dessen Herstellung") was filed by Carl Zeiss on Oct 21, 2016. The application was issued on Jan 25, 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
ESSILOR	Oct 8, 2020	SANTARELLI

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 5, 2023
Decision to maintain the European patent in amended form
Jan 5, 2023
Decision to maintain the European patent in amended form
Dec 23, 2022
Termination of the opposition proceedings with maintenance of patent
Dec 19, 2022
(Electronic) Receipt
Dec 19, 2022
English translation of the claims
Dec 19, 2022
Filing of the translation of the amended claims
Dec 19, 2022
French translation of claims
Dec 19, 2022
Letter accompanying subsequently filed items
Nov 16, 2022
Communication of bibliographic data
Nov 16, 2022
Communication to opponent concerning maintenance
Nov 16, 2022
Communication with request to file translations
Oct 14, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 13, 2022
(Electronic) Receipt
Jul 13, 2022
Advice of delivery
Jul 13, 2022
Letter accompanying subsequently filed items
Jul 5, 2022
Advice of delivery
Jul 4, 2022
Annex to the communication - opposition
Jul 4, 2022
Decision of the Opposition Division and instruction
Jul 4, 2022
Druckexemplar in opposition procedure
Jul 4, 2022
Grounds for the decision (Annex) - opposition
Jul 4, 2022
Interlocutory decision in opposition proceedings
Jul 4, 2022
Interlocutory decision in opposition proceedings
Jul 4, 2022
Means of redress
Jul 4, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 4, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 4, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 4, 2022
Provision of a copy of the minutes - opposition procedure
Jul 4, 2022
Provision of a copy of the minutes - opposition procedure
Jul 4, 2022
Scanned annex to a communication - opposition procedure
Jul 4, 2022
Transmittal of decision / summons - opposition
Jul 4, 2022
Transmittal of decision / summons - opposition
Apr 28, 2022
Information about the result of oral proceedings
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Brief communication - Opposition proceedings
Apr 13, 2022
(Electronic) Receipt
Apr 13, 2022
Letter accompanying subsequently filed items
Apr 13, 2022
Written submission in preparation to/during oral proceedings
Mar 3, 2022
Brief communication - Opposition proceedings
Mar 3, 2022
Brief communication - Opposition proceedings
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure
Feb 28, 2022
Auxiliary request during Opposition procedure - 01
Feb 28, 2022
Auxiliary request during Opposition procedure - 02
Feb 28, 2022
Auxiliary request during Opposition procedure - 03
Feb 28, 2022
Auxiliary request during Opposition procedure - 04
Feb 28, 2022
Auxiliary request during Opposition procedure - 05
Feb 28, 2022
Auxiliary request during Opposition procedure - 06
Feb 28, 2022
Auxiliary request during Opposition procedure - 07
Feb 28, 2022
Auxiliary request during Opposition procedure - 08
Feb 28, 2022
Letter accompanying subsequently filed items
Feb 28, 2022
Letter accompanying subsequently filed items
Feb 28, 2022
Main request during Opposition procedure
Feb 28, 2022
Main request during Opposition procedure
Feb 28, 2022
Written submission in preparation to/during oral proceedings
Feb 28, 2022
Written submission in preparation to/during oral proceedings
Feb 17, 2022
Brief communication - Opposition proceedings
Feb 14, 2022
(Electronic) Receipt
Feb 14, 2022
Letter accompanying subsequently filed items
Feb 14, 2022
Request for interpreters during oral proceedings
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Advice of delivery
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Request for interpreters during oral proceedings
Oct 19, 2021
Advice of delivery
Oct 13, 2021
Annex to the communication - opposition
Oct 13, 2021
Transmittal of decision / summons - opposition
Oct 13, 2021
Transmittal of decision / summons - opposition
Oct 11, 2021
Brief communication - Opposition proceedings
Oct 11, 2021
Communication concerning the filing of a power of attorney
Oct 11, 2021
Communication of amended entries concerning the representative
Mar 5, 2021
Brief communication - Opposition proceedings
Mar 2, 2021
(Electronic) Receipt
Mar 2, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 23, 2020
Communication of a notice of opposition and request to file observations
Oct 23, 2020
Notice of further oppositions to opponent(s)
Oct 14, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 8, 2020
(Electronic) Receipt
Oct 8, 2020
Citation in opposition procedure
Oct 8, 2020
Citation in opposition procedure
Oct 8, 2020
Citation in opposition procedure - 001
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 003
Oct 8, 2020
Citation in opposition procedure - 004
Oct 8, 2020
Citation in opposition procedure - 005
Oct 8, 2020
Citation in opposition procedure - 006
Oct 8, 2020
Citation in opposition procedure - 007
Oct 8, 2020
Consolidated list of cited opposition documents
Oct 8, 2020
Notice of opposition
Oct 8, 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
Oct 31, 2019
Bibliographic data of the European patent application
Oct 31, 2019
Information about intention to grant a patent
Oct 31, 2019
Intention to grant (signatures)
Oct 31, 2019
Text intended for grant (clean copy)
Oct 31, 2019
Text intended for grant (version for approval)
Sep 2, 2019
English translation of the claims
Sep 2, 2019
French translation of claims
Sep 2, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 9, 2019
Bibliographic data of the European patent application
May 9, 2019
Communication about intention to grant a European patent
May 9, 2019
Intention to grant (signatures)
May 9, 2019
Text intended for grant (clean copy)
May 9, 2019
Text intended for grant (version for approval)
Feb 20, 2019
(Electronic) Receipt
Feb 20, 2019
Amended claims with annotations
Feb 20, 2019
Amended description with annotations
Feb 20, 2019
Claims
Feb 20, 2019
Description
Feb 20, 2019
Letter accompanying subsequently filed items
Feb 20, 2019
Reply to the invitation to clarify the claims/the subject matter of the application
Feb 12, 2019
Annex to the communication
Feb 12, 2019
Consultation by telephone/in person
Feb 12, 2019
Result of consultation by telephone/in person
Feb 4, 2019
(Electronic) Receipt
Feb 4, 2019
Amended claims with annotations
Feb 4, 2019
Amended description with annotations
Feb 4, 2019
Claims
Feb 4, 2019
Description
Feb 4, 2019
Letter accompanying subsequently filed items
Feb 4, 2019
Reply to communication from the Examining Division
Dec 11, 2018
Annex to the communication
Dec 11, 2018
Consultation by telephone/in person (with time limit)
Dec 11, 2018
Result of consultation by telephone/in person
Dec 5, 2018
Examination started
Oct 23, 2018
(Electronic) Receipt
Oct 23, 2018
Amended claims filed after receipt of (European) search report
Oct 23, 2018
Amended claims with annotations
Oct 23, 2018
Amended description filed after receipt of (European) search report
Oct 23, 2018
Amended description with annotations
Oct 23, 2018
Amendments received before examination
Oct 23, 2018
Letter accompanying subsequently filed items
May 2, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 28, 2018
Notification of forthcoming publication
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jul 14, 2017
Communication to designated inventor
Jul 3, 2017
Designation of inventor
Jul 3, 2017
Letter concerning the inventor
Apr 13, 2017
Communication regarding the transmission of the European search report
Apr 13, 2017
European search opinion
Apr 13, 2017
European search report
Apr 13, 2017
Information on Search Strategy
Mar 21, 2017
Search started
Nov 18, 2016
Deficiency in designation of inventor
Oct 21, 2016
Abstract
Oct 21, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 21, 2016
Claims
Oct 21, 2016
Description
Oct 21, 2016
Drawings
Oct 21, 2016
Request for grant of a European patent

EP3312661

CARL ZEISS

Application Number: EP16195139A
Filing Date: Oct 21, 2016
Status: Patent Maintained As Amended; Dec 23, 2022
Publication Date: Jan 25, 2023
External Links: Slate, EP3312661B2, Google Patents

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Brillenglas Und Verfahren, Insbesondere 3D-Druckverfahren, Zu Dessen Herstellung

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Dossier Documents

EP3312661