The weekly litigation news digest is live. Subscribe now
The patent EP3111273 was granted to Carl Zeiss on Jul 15, 2020. The application was filed on Mar 24, 2014 under application number EP14887136A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| LUMI | Apr 14, 2021 | VESTERINEN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006050235 |
| DESCRIPTION | US2009168015 |
| DESCRIPTION | WO2013072507 |
| EXAMINATION | WO2013072507 |
| INTERNATIONAL-SEARCH-REPORT | EP1552336 |
| INTERNATIONAL-SEARCH-REPORT | JP2000089174 |
| INTERNATIONAL-SEARCH-REPORT | JP5043683B |
| INTERNATIONAL-SEARCH-REPORT | US2004046287 |
| INTERNATIONAL-SEARCH-REPORT | US2011153287 |
| OPPOSITION | EP1409198 |
| OPPOSITION | EP2028527 |
| OPPOSITION | EP2253990 |
| OPPOSITION | JP2000089174 |
| OPPOSITION | JP2007240553 |
| OPPOSITION | JP2012051094 |
| OPPOSITION | JP5829435B |
| OPPOSITION | US2004046287 |
| OPPOSITION | US2006050235 |
| OPPOSITION | US2009168015 |
| OPPOSITION | US2009222122 |
| OPPOSITION | US2011153287 |
| OPPOSITION | WO2004011990 |
| OPPOSITION | WO2008096007 |
| OPPOSITION | WO2013072249 |
| OPPOSITION | WO2013087925 |
| OPPOSITION | WO2014037482 |
| SEARCH | US2006050235 |
| SEARCH | US2009168015 |
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
Jul 10, 2025
Jul 10, 2025
Jul 10, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
May 22, 2025
May 21, 2025
(Electronic) Receipt
Appeal
May 21, 2025
May 21, 2025
May 21, 2025
Apr 30, 2025
Apr 28, 2025
(Electronic) Receipt
Appeal
Apr 28, 2025
Apr 28, 2025
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 23, 2024
Jun 13, 2024
Oct 17, 2023
Oct 12, 2023
(Electronic) Receipt
Appeal
Oct 12, 2023
Oct 12, 2023
Reply to appeal
Appeal
Oct 10, 2023
Oct 4, 2023
(Electronic) Receipt
Appeal
Oct 4, 2023
Oct 4, 2023
Reply to appeal
Appeal
Jun 2, 2023
Jun 2, 2023
May 30, 2023
(Electronic) Receipt
Appeal
May 30, 2023
May 30, 2023
May 26, 2023
(Electronic) Receipt
Appeal
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
Apr 4, 2023
Apr 4, 2023
Mar 29, 2023
(Electronic) Receipt
Appeal
Mar 29, 2023
Mar 29, 2023
Notice of appeal
Appeal
Mar 21, 2023
Mar 21, 2023
Mar 16, 2023
(Electronic) Receipt
Appeal
Mar 16, 2023
Mar 16, 2023
Notice of appeal
Appeal
Jan 25, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Means of redress
OPPO
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Dec 13, 2022
Dec 8, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Nov 10, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Oct 27, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 18, 2022
Oct 14, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
May 10, 2022
May 10, 2022
Apr 20, 2022
Apr 20, 2022
Mar 29, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Feb 22, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 8, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Oct 25, 2021
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 18, 2021
Oct 15, 2021
Oct 15, 2021
Oct 15, 2021
Jun 7, 2021
Jun 7, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
Apr 20, 2021
Apr 20, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 4, 2020
(Electronic) Receipt
Search/Exam
Jun 4, 2020
Filing of the translations of the claims
Search/Exam
Jun 4, 2020
French translation of claims
Search/Exam
Jun 4, 2020
German translation of the claims
Search/Exam
Jun 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2020
Apr 22, 2020
Apr 22, 2020
Intention to grant (signatures)
Search/Exam
Apr 22, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 22, 2020
Mar 24, 2020
(Electronic) Receipt
Search/Exam
Mar 24, 2020
Amended claims with annotations
Search/Exam
Mar 24, 2020
Amended description with annotations
Search/Exam
Mar 24, 2020
Claims
Search/Exam
Mar 24, 2020
Description
Search/Exam
Mar 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2020
Mar 4, 2020
Annex to the communication
Search/Exam
Mar 4, 2020
Consultation by telephone/in person
Search/Exam
Mar 4, 2020
Jan 31, 2020
(Electronic) Receipt
Search/Exam
Jan 31, 2020
Amended claims with annotations
Search/Exam
Jan 31, 2020
Amended claims with annotations
Search/Exam
Jan 31, 2020
Amended claims with annotations
Search/Exam
Jan 31, 2020
Amended description with annotations
Search/Exam
Jan 31, 2020
Amended description with annotations
Search/Exam
Jan 31, 2020
Amended description with annotations
Search/Exam
Jan 31, 2020
Claims
Search/Exam
Jan 31, 2020
Claims
Search/Exam
Jan 31, 2020
Claims
Search/Exam
Jan 31, 2020
Description
Search/Exam
Jan 31, 2020
Description
Search/Exam
Jan 31, 2020
Description
Search/Exam
Jan 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2020
Oct 2, 2019
Annex to the communication
Search/Exam
Oct 2, 2019
Communication from the Examining Division
Search/Exam
Sep 16, 2019
Examination started
Search/Exam
May 9, 2018
Refund of fees
Search/Exam
May 9, 2018
Refund of fees
Search/Exam
May 9, 2018
Refund of fees
Search/Exam
Apr 16, 2018
(Electronic) Receipt
Search/Exam
Apr 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 17, 2017
Sep 28, 2017
Sep 28, 2017
European search opinion
Search/Exam
Sep 28, 2017
Information on Search Strategy
Search/Exam
Sep 28, 2017
Supplementary European search report
Search/Exam
Sep 18, 2017
Search started
Search/Exam
Dec 7, 2016
Oct 28, 2016
Communication to designated inventor
Search/Exam
Oct 28, 2016
Communication to designated inventor
Search/Exam
Oct 26, 2016
Matter concerning the application
Search/Exam
Oct 17, 2016
Oct 17, 2016
Reply by International Bureau
Search/Exam
Oct 17, 2016
Oct 11, 2016
Oct 10, 2016
Oct 5, 2016
Enquiry with the International Bureau
Search/Exam
Sep 29, 2016
Matter concerning the application
Search/Exam
Sep 14, 2016
Information regarding early processing
Search/Exam
Aug 23, 2016
(Electronic) Receipt
Search/Exam
Aug 23, 2016
Request for entry into the European phase
Search/Exam
Aug 5, 2016
Information on entry into European phase
Search/Exam
Jan 19, 2016
Notification of the recording of a change
Search/Exam
Oct 1, 2015
Copy of the international search report
Search/Exam
Oct 1, 2015
Published international application - A1
Search/Exam