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The patent EP2315503 was granted to Zumtobel Lighting on Jun 23, 2021. The application was filed on Oct 26, 2010 under application number EP10188877A. 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 |
|---|---|---|---|
| TRILUX | Feb 28, 2019 | LIPPERT STACHOW PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE202007008363U |
| OPPOSITION | GB2418482 |
| OPPOSITION | JP2009238526 |
| OPPOSITION | US7502034 |
| SEARCH | JP2001043983 |
| SEARCH | US2004101308 |
| SEARCH | US2005128751 |
| SEARCH | US2009051624 |
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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(Electronic) Receipt
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English translation of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended claims with annotations
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Amended description with annotations
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Description
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Annex to the communication
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Communication from the Examining Division
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Submission concerning representation
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Refund of fees
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Mar 30, 2011
Notification of forthcoming publication
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Nov 15, 2010
Letter concerning the priority
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Priority document
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Oct 26, 2010
Abstract
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Description
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Oct 26, 2010
Request for grant of a European patent
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