The patent EP3253276B1 was granted to Carl Zeiss on Aug 13, 2025 following the initial filing on Feb 3, 2016 under the application number EP16703944A . The current legal status of the patent is Granted And Under Opposition.
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.
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Aug 26, 2025
Jul 17, 2025
Decision to grant a European patent
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Jul 9, 2025
(Electronic) Receipt
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Jul 9, 2025
Filing of the translations of the claims
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Jul 9, 2025
French translation of claims
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Jul 9, 2025
German translation of the claims
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Jul 9, 2025
Letter accompanying subsequently filed items
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Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Intention to grant (signatures)
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Mar 11, 2025
Text intended for grant (clean copy)
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Mar 11, 2025
Feb 28, 2025
Feb 25, 2025
(Electronic) Receipt
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Feb 25, 2025
Amended claims with annotations
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Feb 25, 2025
Claims
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Feb 25, 2025
Letter accompanying subsequently filed items
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Feb 25, 2025
Feb 24, 2025
Feb 14, 2025
(Electronic) Receipt
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Feb 14, 2025
Amended claims with annotations
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Feb 14, 2025
Amended claims with annotations
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Feb 14, 2025
Amended description with annotations
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Feb 14, 2025
Claims
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Feb 14, 2025
Claims
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Feb 14, 2025
Description
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Feb 14, 2025
Letter accompanying subsequently filed items
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Feb 14, 2025
Feb 5, 2025
Jan 30, 2025
(Electronic) Receipt
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Jan 30, 2025
Letter accompanying subsequently filed items
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Jan 30, 2025
Nov 25, 2024
Annex to the communication
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Nov 25, 2024
Summons to attend oral proceedings
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Feb 1, 2024
(Electronic) Receipt
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Feb 1, 2024
Amended claims with annotations
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Feb 1, 2024
Claims
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Feb 1, 2024
Letter accompanying subsequently filed items
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Feb 1, 2024
Oct 9, 2023
Annex to the communication
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Oct 9, 2023
Communication from the Examining Division
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Nov 22, 2021
(Electronic) Receipt
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Nov 22, 2021
Amended claims with annotations
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Nov 22, 2021
Claims
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Nov 22, 2021
Letter accompanying subsequently filed items
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Nov 22, 2021
Nov 22, 2021
Nov 4, 2021
May 8, 2020
(Electronic) Receipt
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May 8, 2020
Amended claims with annotations
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May 8, 2020
Claims
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May 8, 2020
Letter accompanying subsequently filed items
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May 8, 2020
Jan 16, 2020
Annex to the communication
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Jan 16, 2020
Communication from the Examining Division
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Oct 12, 2018
(Electronic) Receipt
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Oct 12, 2018
Amended claims with annotations
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Oct 12, 2018
Claims
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Oct 12, 2018
Letter accompanying subsequently filed items
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Oct 12, 2018
Jun 14, 2018
Annex to the communication
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Jun 14, 2018
Communication from the Examining Division
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Jun 7, 2018
Examination started
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Mar 23, 2018
(Electronic) Receipt
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Mar 23, 2018
Mar 23, 2018
Amended claims with annotations
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Mar 23, 2018
Amendments received before examination
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Mar 23, 2018
Letter accompanying subsequently filed items
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Nov 15, 2017
Oct 5, 2017
Oct 2, 2017
Communication to designated inventor
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Oct 2, 2017
Communication to designated inventor
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Oct 2, 2017
Communication to designated inventor
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Aug 29, 2017
(Electronic) Receipt
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Aug 29, 2017
Request for entry into the European phase
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Aug 23, 2017
Jul 24, 2017
Jun 22, 2017
(Electronic) Receipt
PCTRO
Jun 22, 2017
Jun 22, 2017
Jun 22, 2017
Jun 19, 2017
Information on entry into European phase
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Aug 11, 2016
Copy of the international search report
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Aug 11, 2016
Published international application - A1
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May 25, 2016
Apr 14, 2016
ISR: cited documents
PCTISA
Apr 13, 2016
Apr 13, 2016
Apr 13, 2016
Mar 30, 2016
Mar 30, 2016
Mar 16, 2016
Mar 16, 2016
RO101 Declaration
PCTRO
Mar 1, 2016
Feb 16, 2016
Feb 12, 2016
Feb 3, 2016
(Electronic) Receipt
PCTRO
Feb 3, 2016
Abstract
PCTRO
Feb 3, 2016
Claims
PCTRO
Feb 3, 2016
Description
PCTRO
Feb 3, 2016
Feb 3, 2016
Drawings
PCTRO
Feb 3, 2016