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The patent EP2549258 was granted to Carl Zeiss on Jul 31, 2024. The application was filed on Jul 4, 2008 under application number EP12007247A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| ISYM INFORMATIONS UND SYSTEMTECHNIK | Sep 5, 2019 | FLUGEL PREISSNER SCHOBER SEIDEL | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006015123 |
| DESCRIPTION | DE10319099 |
| DESCRIPTION | DE4232201 |
| DESCRIPTION | DE68922855T |
| DESCRIPTION | EP1043578 |
| DESCRIPTION | EP1284409 |
| DESCRIPTION | EP1355142 |
| DESCRIPTION | EP1500917 |
| DESCRIPTION | EP1808686 |
| DESCRIPTION | US2005058333 |
| OPPOSITION | DE20314939U |
| OPPOSITION | EP0915328 |
| OPPOSITION | EP1043578 |
| OPPOSITION | EP1099947 |
| OPPOSITION | EP1808686 |
| OPPOSITION | EP1959227 |
| OTHER | DE102006015123 |
| OTHER | DE10319099 |
| OTHER | DE4232201 |
| OTHER | DE68922855T |
| OTHER | EP1043578 |
| OTHER | EP1099947 |
| OTHER | EP1500917 |
| OTHER | EP1808686 |
| OTHER | EP1959227 |
| OTHER | US2005058333 |
| SEARCH | DE20314939U |
| SEARCH | EP1043578 |
| SEARCH | EP1099947 |
| SEARCH | EP1959227 |
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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Jul 4, 2024
Jul 4, 2024
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Apr 12, 2024
Apr 12, 2024
Apr 9, 2024
Feb 14, 2024
Refund of fees
Appeal
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Refund of fees
Appeal
Feb 7, 2024
Feb 6, 2024
Withdrawal of an appeal
Appeal
Jan 25, 2024
Jan 19, 2024
(Electronic) Receipt
Appeal
Jan 19, 2024
Jan 19, 2024
Withdrawal of an appeal
Appeal
Jan 12, 2024
Dec 22, 2023
Advice of delivery
Appeal
Dec 22, 2023
Dec 22, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 14, 2023
Jul 10, 2023
Mar 27, 2023
Mar 22, 2023
Mar 20, 2023
(Electronic) Receipt
Appeal
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
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Sep 12, 2022
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Sep 7, 2022
Sep 7, 2022
May 9, 2022
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May 9, 2022
May 9, 2022
May 9, 2022
May 9, 2022
Request for correction
Appeal
May 9, 2022
May 6, 2022
Apr 14, 2022
Apr 11, 2022
(Electronic) Receipt
Appeal
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
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Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Reply to appeal
Appeal
Apr 8, 2022
(Electronic) Receipt
Appeal
Apr 8, 2022
Advice of delivery
Appeal
Apr 8, 2022
Apr 8, 2022
Apr 8, 2022
Reply to appeal
Appeal
Nov 30, 2021
Nov 30, 2021
Nov 24, 2021
(Electronic) Receipt
Appeal
Nov 24, 2021
Nov 24, 2021
Nov 19, 2021
(Electronic) Receipt
Appeal
Nov 19, 2021
Nov 19, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 14, 2021
(Electronic) Receipt
Appeal
Sep 14, 2021
Sep 14, 2021
Notice of appeal
Appeal
Sep 2, 2021
(Electronic) Receipt
Appeal
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Notice of appeal
Appeal
Jul 16, 2021
Jul 14, 2021
Jul 14, 2021
Jul 14, 2021
Jul 14, 2021
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Means of redress
OPPO
Jul 14, 2021
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Jun 4, 2021
Apr 22, 2021
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Apr 1, 2021
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Sep 30, 2020
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Jan 24, 2020
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Sep 12, 2019
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Sep 5, 2019
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Sep 5, 2019
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Sep 5, 2019
Dec 17, 2018
Nov 8, 2018
Decision to grant a European patent
Search/Exam
Oct 29, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Intention to grant (signatures)
Search/Exam
Oct 25, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2018
Oct 5, 2018
(Electronic) Receipt
Search/Exam
Oct 5, 2018
Letter concerning the inventor
Search/Exam
Sep 24, 2018
(Electronic) Receipt
Search/Exam
Sep 24, 2018
(Electronic) Receipt
Search/Exam
Sep 24, 2018
Amended claims with annotations
Search/Exam
Sep 24, 2018
Claims
Search/Exam
Sep 24, 2018
English translation of the claims
Search/Exam
Sep 24, 2018
French translation of claims
Search/Exam
Sep 24, 2018
Sep 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2018
Sep 17, 2018
Letter which had not been notified
Search/Exam
Aug 22, 2018
Communication to designated inventor
Search/Exam
Aug 22, 2018
Communication to designated inventor
Search/Exam
Aug 20, 2018
Aug 20, 2018
Aug 7, 2018
(Electronic) Receipt
Search/Exam
Aug 7, 2018
Annex
Search/Exam
Aug 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 7, 2018
Letter concerning the inventor
Search/Exam
Jul 31, 2018
Jul 31, 2018
Jul 24, 2018
(Electronic) Receipt
Search/Exam
Jul 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2018
Observations by third parties
Search/Exam
Jul 24, 2018
Priority search results
Search/Exam
May 25, 2018
May 25, 2018
May 25, 2018
May 25, 2018
Intention to grant (signatures)
Search/Exam
May 25, 2018
Text intended for grant (clean copy)
Search/Exam
May 25, 2018
Mar 15, 2018
Mar 7, 2018
Feb 12, 2018
Jan 19, 2018
Jan 19, 2018
Dec 12, 2017
Observations by third parties
Search/Exam
Dec 12, 2017
Patent document filed by a Third party
Search/Exam
Oct 20, 2017
Claims
Search/Exam
Oct 20, 2017
Description
Search/Exam
Oct 20, 2017
Oct 16, 2017
Annex to the communication
Search/Exam
Oct 16, 2017
Oct 16, 2017
Oct 9, 2017
Examination started
Search/Exam
Jun 26, 2017
Jan 15, 2016
Submission concerning representation
Search/Exam
Sep 4, 2013
Jul 19, 2013
Jul 19, 2013
Jul 19, 2013
Amendments received before examination
Search/Exam
Jul 19, 2013
Payment of fees and costs
Search/Exam
Jan 28, 2013
Jan 16, 2013
Refund of fees
Search/Exam
Jan 4, 2013
Notification of forthcoming publication
Search/Exam
Dec 18, 2012
Dec 18, 2012
European search opinion
Search/Exam
Dec 18, 2012
European search report
Search/Exam
Dec 12, 2012
Communication to designated inventor
Search/Exam
Dec 12, 2012
Communication to designated inventor
Search/Exam
Oct 19, 2012
Abstract
Search/Exam
Oct 19, 2012
Claims
Search/Exam
Oct 19, 2012
Description
Search/Exam
Oct 19, 2012
Designation of inventor
Search/Exam
Oct 19, 2012
Drawings
Search/Exam
Oct 19, 2012
Priority search results
Search/Exam
Oct 19, 2012
Request for grant of a European patent
Search/Exam
Jul 29, 2008
Priority document
Search/Exam