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The patent EP2553386 was granted to Leica Geosystems on Mar 19, 2025. The application was filed on Mar 21, 2011 under application number EP11709710A. 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 |
|---|---|---|---|
| CARL ZEISS | Jul 17, 2018 | PATENTANWALTE BRESSEL UND PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20070100296 |
| DESCRIPTION | EP20070124101 |
| DESCRIPTION | CH658514 |
| DESCRIPTION | EP1474650 |
| DESCRIPTION | EP1632754 |
| DESCRIPTION | US5402582 |
| DESCRIPTION | US7051450 |
| DESCRIPTION | US7069664 |
| DESCRIPTION | WO2008019855 |
| DESCRIPTION | WO2008083797 |
| INTERNATIONAL-SEARCH-REPORT | EP1744127 |
| INTERNATIONAL-SEARCH-REPORT | EP1944582 |
| INTERNATIONAL-SEARCH-REPORT | US7051450 |
| OPPOSITION | DE10133266 |
| OPPOSITION | DE19907326 |
| OPPOSITION | EP1250986 |
| OPPOSITION | EP1654514 |
| OPPOSITION | EP1744127 |
| OPPOSITION | EP1944582 |
| OPPOSITION | US5035503 |
| OPPOSITION | US6957496 |
| OPPOSITION | US7051450 |
| OPPOSITION | WO2005050134 |
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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Refund of fees
Search/Exam
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(Electronic) Receipt
Appeal
Nov 19, 2024
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Withdrawal of an appeal
Appeal
Oct 21, 2024
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(Electronic) Receipt
Appeal
Oct 14, 2024
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Notice of appeal
Appeal
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Means of redress
OPPO
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Reply to appeal
Appeal
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Appeal
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Notice of appeal
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Nov 2, 2017
Sep 28, 2017
Decision to grant a European patent
Search/Exam
Sep 11, 2017
English translation of the claims
Search/Exam
Sep 11, 2017
Filing of the translations of the claims
Search/Exam
Sep 11, 2017
French translation of claims
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Sep 11, 2017
Payment of fees and costs
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Jun 20, 2017
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Intention to grant (signatures)
Search/Exam
Jun 20, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 20, 2017
Aug 24, 2015
Aug 19, 2015
Apr 22, 2015
Annex to the communication
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Apr 22, 2015
Communication from the Examining Division
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Apr 15, 2015
Examination started
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May 11, 2013
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Amended claims with annotations
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May 11, 2013
Amendments received before examination
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May 7, 2013
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Amended claims with annotations
Search/Exam
May 7, 2013
Amendments received before examination
Search/Exam
Jan 9, 2013
Nov 5, 2012
Oct 31, 2012
Communication to designated inventor
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Oct 31, 2012
Communication to designated inventor
Search/Exam
Oct 31, 2012
Communication to designated inventor
Search/Exam
Oct 26, 2012
Priority search results copy provided by EPO
Search/Exam
Oct 15, 2012
Aug 17, 2012
(Electronic) Receipt
Search/Exam
Aug 17, 2012
Annex
Search/Exam
Aug 17, 2012
Request for entry into the European phase
Search/Exam
Aug 3, 2012
Information on entry into European phase
Search/Exam
Jul 11, 2012
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Notification of the recording of a change
Search/Exam
Oct 17, 2011
Sep 29, 2011
Copy of the international search report
Search/Exam
Sep 29, 2011
Copy of the international search report
Search/Exam
Sep 29, 2011
Published international application - A1
Search/Exam
Apr 15, 2011
Apr 15, 2011
Apr 15, 2011
Mar 21, 2011
(Electronic) Receipt
PCTRO
Mar 21, 2011
Abstract
PCTRO
Mar 21, 2011
Claims
PCTRO
Mar 21, 2011
Description
PCTRO
Mar 21, 2011
Drawings
PCTRO
Mar 21, 2011