The weekly litigation news digest is live. Subscribe now
The patent EP2851670 was granted to Carl Zeiss on Aug 8, 2018. The application was filed on Jun 18, 2014 under application number EP14172973A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SDS SYSTEMTECHNIK | May 8, 2019 | FLUGEL PREISSNER SCHOBER SEIDEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1043578 |
| DESCRIPTION | EP2026056 |
| OPPOSITION | DE102006053161 |
| OPPOSITION | DE102008037356 |
| OPPOSITION | DE2641516 |
| OPPOSITION | EP0195227 |
| OPPOSITION | EP1014036 |
| OPPOSITION | EP1043578 |
| OPPOSITION | EP2026056 |
| OPPOSITION | WO2006093752 |
| OPPOSITION | WO2006093753 |
| SEARCH | DE102006053161 |
| SEARCH | DE2641516 |
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
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 5, 2024
Jan 25, 2024
Jan 22, 2024
(Electronic) Receipt
Appeal
Jan 22, 2024
Jan 22, 2024
Aug 1, 2023
Advice of delivery
Appeal
Jul 31, 2023
Jun 29, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 25, 2023
Mar 27, 2023
Mar 22, 2023
(Electronic) Receipt
Appeal
Mar 22, 2023
Mar 22, 2023
Apr 6, 2022
Dec 17, 2021
Dec 14, 2021
(Electronic) Receipt
Appeal
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Reply to appeal
Appeal
Aug 4, 2021
Jul 29, 2021
(Electronic) Receipt
Appeal
Jul 29, 2021
Jul 29, 2021
May 26, 2021
May 26, 2021
May 18, 2021
(Electronic) Receipt
Appeal
May 18, 2021
May 18, 2021
Notice of appeal
Appeal
Apr 6, 2021
Mar 22, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Means of redress
OPPO
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Feb 5, 2021
Feb 4, 2021
Jan 18, 2021
Dec 23, 2020
Dec 10, 2020
Dec 10, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 7, 2020
Dec 7, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 2, 2020
Dec 2, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 10, 2020
Nov 10, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Sep 23, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Sep 11, 2020
Sep 8, 2020
Sep 8, 2020
Sep 8, 2020
Sep 8, 2020
Sep 8, 2020
Sep 8, 2020
Sep 8, 2020
Jul 8, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 1, 2020
Jun 29, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Oct 16, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Claims
OPPO
Sep 30, 2019
Jun 4, 2019
May 27, 2019
May 21, 2019
May 21, 2019
May 15, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
Aug 20, 2018
Jul 12, 2018
Decision to grant a European patent
Search/Exam
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Intention to grant (signatures)
Search/Exam
Jun 4, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2018
May 25, 2018
May 3, 2018
(Electronic) Receipt
Search/Exam
May 3, 2018
Claims
Search/Exam
May 3, 2018
English translation of the claims
Search/Exam
May 3, 2018
French translation of claims
Search/Exam
May 3, 2018
Mar 15, 2018
Mar 7, 2018
Jan 4, 2018
Jan 4, 2018
Jan 4, 2018
Intention to grant (signatures)
Search/Exam
Jan 4, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 4, 2018
Nov 22, 2017
Examination started
Search/Exam
Aug 17, 2017
Jan 15, 2016
Submission concerning representation
Search/Exam
Oct 29, 2015
Oct 22, 2015
Oct 12, 2015
Oct 12, 2015
Amendments received before examination
Search/Exam
Apr 28, 2015
Mar 19, 2015
Mar 19, 2015
European search opinion
Search/Exam
Mar 19, 2015
European search report
Search/Exam
Mar 11, 2015
Search started
Search/Exam
Feb 25, 2015
Notification of forthcoming publication
Search/Exam
Oct 10, 2014
Communication to designated inventor
Search/Exam
Oct 2, 2014
Letter concerning the inventor
Search/Exam
Sep 25, 2014
Sep 18, 2014
Letter which had not been notified
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Aug 11, 2014
Communication to designated inventor
Search/Exam
Jul 11, 2014
Letter concerning the priority
Search/Exam
Jul 11, 2014
Priority document
Search/Exam
Jun 18, 2014
Abstract
Search/Exam
Jun 18, 2014
Jun 18, 2014
Claims
Search/Exam
Jun 18, 2014
Description
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Designation of inventor
Search/Exam
Jun 18, 2014
Drawings
Search/Exam
Jun 18, 2014
Request for grant of a European patent
Search/Exam