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Method And Device And Computer Program For Determining A Representation Of A Spectacle Lens Edge

Patent No. EP3542211 (titled "Method And Device And Computer Program For Determining A Representation Of A Spectacle Lens Edge") was filed by Carl Zeiss on Dec 20, 2017. The application was issued on Sep 3, 2025.

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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
RODENSTOCK	Jan 11, 2021	MULLER BORE & PARTNER PATENTANWALTE PARTG MBB

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 7, 2025
Decision to maintain the European patent in amended form
Aug 7, 2025
Decision to maintain the European patent in amended form
Jul 28, 2025
(Electronic) Receipt
Jul 28, 2025
English translation of the claims
Jul 28, 2025
Filing of the translation of the amended claims
Jul 28, 2025
French translation of claims
Jul 28, 2025
Letter accompanying subsequently filed items
May 22, 2025
Communication to opponent concerning maintenance
May 22, 2025
Communication with request to file translations
May 16, 2025
Maintenance of the patent with the documents specified in the final decision
May 15, 2025
Decision of the Board of Appeal
May 15, 2025
F3032 Notification(s) of the decision
May 15, 2025
F3032 Notification(s) of the decision
Mar 26, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 26, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 26, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jan 23, 2025
F3345 Forwarding of submissions to parties
Jan 17, 2025
(Electronic) Receipt
Jan 17, 2025
Letter accompanying subsequently filed items
Jan 17, 2025
Request for interpreters during oral proceedings
Oct 17, 2024
F3345 Forwarding of submissions to parties
Oct 10, 2024
(Electronic) Receipt
Oct 10, 2024
Letter accompanying subsequently filed items
Oct 10, 2024
Request for interpreters during oral proceedings
Feb 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 19, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Feb 16, 2024
F3345 Forwarding of submissions to parties
Feb 13, 2024
(Electronic) Receipt
Feb 13, 2024
Letter accompanying subsequently filed items
Feb 13, 2024
Oral proceedings: Request for postponement
Feb 1, 2024
F3011.1 Oral Proceedings: summons
Feb 1, 2024
F3011.1 Oral Proceedings: summons
Feb 1, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jan 29, 2024
F3010 Oral proceedings: order for summons
Jan 18, 2024
F3303.16 Change of composition of the Board (T)
Jul 13, 2023
Composition of the board (T)
Apr 19, 2023
F3345 Forwarding of submissions to parties
Apr 14, 2023
(Electronic) Receipt
Apr 14, 2023
Letter accompanying subsequently filed items
Apr 14, 2023
Reply to appeal
Dec 5, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 30, 2022
(Electronic) Receipt
Nov 30, 2022
Letter accompanying subsequently filed items
Nov 30, 2022
Statement of grounds of appeal
Sep 20, 2022
F3204 Communication of the file number to the parties
Sep 16, 2022
F3204 Communication of the file number to the parties
Sep 13, 2022
(Electronic) Receipt
Sep 13, 2022
Letter accompanying subsequently filed items
Sep 13, 2022
Notice of appeal
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Communication confirming withdrawal from representation
Jul 28, 2022
Communication of amended entries concerning the representative
Jul 26, 2022
Advice of delivery
Jul 25, 2022
(Electronic) Receipt
Jul 25, 2022
Letter accompanying subsequently filed items
Jul 25, 2022
Submission concerning change of proprietor's representative
Jul 20, 2022
Annex to the communication - opposition
Jul 20, 2022
Decision of the Opposition Division and instruction
Jul 20, 2022
Druckexemplar in opposition procedure
Jul 20, 2022
Grounds for the decision (Annex) - opposition
Jul 20, 2022
Interlocutory decision in opposition proceedings
Jul 20, 2022
Interlocutory decision in opposition proceedings
Jul 20, 2022
Means of redress
Jul 20, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 20, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 20, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 20, 2022
Provision of a copy of the minutes - opposition procedure
Jul 20, 2022
Provision of a copy of the minutes - opposition procedure
Jul 20, 2022
Scanned annex to a communication - opposition procedure
Jul 20, 2022
Transmittal of decision / summons - opposition
Jul 20, 2022
Transmittal of decision / summons - opposition
Jun 23, 2022
Information about the result of oral proceedings
Jun 21, 2022
(Electronic) Receipt
Jun 21, 2022
Brief communication - Opposition proceedings
Jun 21, 2022
Letter accompanying subsequently filed items
Jun 21, 2022
Written submission in preparation to/during oral proceedings
May 27, 2022
Brief communication - Opposition proceedings
May 23, 2022
(Electronic) Receipt
May 23, 2022
Citation in opposition procedure - 017
May 23, 2022
Citation in opposition procedure - 018
May 23, 2022
Consolidated list of cited opposition documents
May 23, 2022
Letter accompanying subsequently filed items
May 23, 2022
Written submission in preparation to/during oral proceedings
May 12, 2022
Brief communication - Opposition proceedings
May 12, 2022
Brief communication - Opposition proceedings
May 7, 2022
(Electronic) Receipt
May 7, 2022
(Electronic) Receipt
May 7, 2022
(Electronic) Receipt
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure
May 7, 2022
Auxiliary request during Opposition procedure - 01
May 7, 2022
Auxiliary request during Opposition procedure - 02
May 7, 2022
Auxiliary request during Opposition procedure - 03
May 7, 2022
Auxiliary request during Opposition procedure - 04
May 7, 2022
Auxiliary request during Opposition procedure - 05
May 7, 2022
Auxiliary request during Opposition procedure - 06
May 7, 2022
Auxiliary request during Opposition procedure - 07
May 7, 2022
Auxiliary request during Opposition procedure - 08
May 7, 2022
Auxiliary request during Opposition procedure - 09
May 7, 2022
Auxiliary request during Opposition procedure - 10
May 7, 2022
Auxiliary request during Opposition procedure - 11
May 7, 2022
Auxiliary request during Opposition procedure - 12
May 7, 2022
Auxiliary request during Opposition procedure - 13
May 7, 2022
Auxiliary request during Opposition procedure - 14
May 7, 2022
Auxiliary request during Opposition procedure - 15
May 7, 2022
Auxiliary request during Opposition procedure - 16
May 7, 2022
Auxiliary request during Opposition procedure - 17
May 7, 2022
Citation in opposition procedure - 019
May 7, 2022
Letter accompanying subsequently filed items
May 7, 2022
Letter accompanying subsequently filed items
May 7, 2022
Letter accompanying subsequently filed items
May 7, 2022
Request for interpreters during oral proceedings
May 7, 2022
Written submission in preparation to/during oral proceedings
May 7, 2022
Written submission in preparation to/during oral proceedings
Apr 26, 2022
Brief communication - Opposition proceedings
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Written submission in preparation to/during oral proceedings
Apr 14, 2022
Notification concerning the date of oral proceedings
Apr 14, 2022
Notification concerning the date of oral proceedings
Nov 22, 2021
Advice of delivery
Nov 22, 2021
Advice of delivery
Nov 19, 2021
Annex to the communication - opposition
Nov 19, 2021
Information concerning oral proceedings
Nov 19, 2021
Summons to attend oral proceedings
Nov 19, 2021
Summons to attend oral proceedings
Nov 19, 2021
Transmittal of decision / summons - opposition
Nov 19, 2021
Transmittal of decision / summons - opposition
Jun 10, 2021
Brief communication - Opposition proceedings
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
Auxiliary request during Opposition procedure
Jun 7, 2021
Auxiliary request during Opposition procedure
Jun 7, 2021
Auxiliary request during Opposition procedure
Jun 7, 2021
Auxiliary request during Opposition procedure
Jun 7, 2021
Auxiliary request during Opposition procedure
Jun 7, 2021
Auxiliary request during Opposition procedure - 01
Jun 7, 2021
Auxiliary request during Opposition procedure - 02
Jun 7, 2021
Auxiliary request during Opposition procedure - 03
Jun 7, 2021
Auxiliary request during Opposition procedure - 04
Jun 7, 2021
Auxiliary request during Opposition procedure - 05
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jan 26, 2021
Communication of a notice of opposition and request to file observations
Jan 26, 2021
Notice of further oppositions to opponent(s)
Jan 19, 2021
Communication of a notice of opposition - first information to patent proprietor
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Any annexes (other than citation) to an opposition letter
Jan 11, 2021
Citation in opposition procedure - 001
Jan 11, 2021
Citation in opposition procedure - 002
Jan 11, 2021
Citation in opposition procedure - 002
Jan 11, 2021
Citation in opposition procedure - 002
Jan 11, 2021
Citation in opposition procedure - 003
Jan 11, 2021
Citation in opposition procedure - 004
Jan 11, 2021
Citation in opposition procedure - 005
Jan 11, 2021
Citation in opposition procedure - 006
Jan 11, 2021
Citation in opposition procedure - 007
Jan 11, 2021
Citation in opposition procedure - 008
Jan 11, 2021
Citation in opposition procedure - 009
Jan 11, 2021
Citation in opposition procedure - 010
Jan 11, 2021
Citation in opposition procedure - 011
Jan 11, 2021
Citation in opposition procedure - 012
Jan 11, 2021
Citation in opposition procedure - 013
Jan 11, 2021
Citation in opposition procedure - 014
Jan 11, 2021
Citation in opposition procedure - 015
Jan 11, 2021
Citation in opposition procedure - 015
Jan 11, 2021
Citation in opposition procedure - 015
Jan 11, 2021
Citation in opposition procedure - 015
Jan 11, 2021
Citation in opposition procedure - 016
Jan 11, 2021
Notice of opposition
Jan 11, 2021
Notice of opposition
Jan 11, 2021
Patent document cited during the examination procedure
Apr 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 12, 2020
Decision to grant a European patent
Feb 26, 2020
(Electronic) Receipt
Feb 26, 2020
English translation of the claims
Feb 26, 2020
Filing of the translations of the claims
Feb 26, 2020
French translation of claims
Feb 26, 2020
Letter accompanying subsequently filed items
Jan 9, 2020
Bibliographic data of the European patent application
Jan 9, 2020
Communication about intention to grant a European patent
Jan 9, 2020
Intention to grant (signatures)
Jan 9, 2020
Text intended for grant (clean copy)
Jan 9, 2020
Text intended for grant (version for approval)
Dec 11, 2019
(Electronic) Receipt
Dec 11, 2019
Amended claims with annotations
Dec 11, 2019
Claims
Dec 11, 2019
Letter accompanying subsequently filed items
Dec 11, 2019
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Oct 11, 2019
Annex to the communication
Oct 11, 2019
Consultation by telephone/in person
Oct 11, 2019
Result of consultation by telephone/in person
Oct 9, 2019
Examination started
Sep 2, 2019
Communication to designated inventor
Aug 28, 2019
Notification on forthcoming publication of bibliographic data
Aug 19, 2019
Letter concerning the inventor
Aug 12, 2019
Invitation to indicate correct address of inventor
Aug 7, 2019
Annexes to the international preliminary examination report
Aug 7, 2019
Copy of the international preliminary examination report
Aug 5, 2019
Letter which had not been notified
Jul 12, 2019
Matter concerning the application
Jul 4, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 3, 2019
Communication to designated inventor
Jul 3, 2019
Communication to designated inventor
Jul 2, 2019
Confirmation of effective date of early entry
Jun 27, 2019
Priority search results copy provided by EPO
Jun 21, 2019
(Electronic) Receipt
Jun 21, 2019
Amended claims filed after receipt of (European) search report
Jun 21, 2019
Amended claims with annotations
Jun 21, 2019
Amended description filed after receipt of (European) search report
Jun 21, 2019
Amended description with annotations
Jun 21, 2019
Amendments received before examination
Jun 21, 2019
Annex
Jun 21, 2019
Request for entry into the European phase
Jun 7, 2019
Information on entry into European phase
Dec 21, 2018
Annex to International preliminary examination report
Dec 21, 2018
International preliminary examination report
Dec 21, 2018
International preliminary examination report - free text sheet
Dec 21, 2018
International preliminary examination report - points I-VIII
Dec 21, 2018
Transmittal of International Preliminary Examination Report
Aug 22, 2018
Priority document (electronically transmitted)
Aug 13, 2018
Notification of election of EPO
Aug 2, 2018
Copy of the international search report
Aug 2, 2018
Copy of the international search report
Aug 2, 2018
Published international application - A1
Jul 6, 2018
Amendments of documents (Article 19 PCT) (without attachments)
Jun 25, 2018
Notification of receipt of demand
Jun 15, 2018
(Electronic) Receipt
Jun 15, 2018
PCT demand form
Jun 15, 2018
PCT(IPEA): Amended sheet - claims
Jun 15, 2018
PCT(IPEA): Amended sheet - claims
Jun 15, 2018
Reply to International Search Opinion
Mar 26, 2018
ISR: cited documents
Mar 26, 2018
International Search Report - copy in English for the IB
Mar 23, 2018
Copy of the international preliminary report on patentability
Mar 23, 2018
Written opinion of the ISA, boxes No. I to VIII
Mar 23, 2018
Written opinion of the ISA, cover sheet
Mar 23, 2018
Written opinion of the ISA, supplemental box
Jan 9, 2018
Notification of receipt of Search copy
Jan 8, 2018
Notification of the international application number and of the international filing date
Jan 3, 2018
Request form for international application (copy for ISA/EP)
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
Abstract
Dec 20, 2017
Claims
Dec 20, 2017
Description
Dec 20, 2017
Document concerning fees and payments
Dec 20, 2017
Drawings
Dec 20, 2017
Electronic request for grant of an International application
Dec 20, 2017
Incoming communication concerning PCT Direct
Dec 20, 2017
Incoming communication concerning PCT Direct
Dec 20, 2017
Priority document (RO-procedure)

EP3542211

CARL ZEISS

Application Number: EP17818146A
Filing Date: Dec 20, 2017
Status: Patent Maintained As Amended; Aug 1, 2025
Publication Date: Sep 3, 2025
External Links: Slate, Register , Google Patents