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The patent EP1534478 was granted to Formax on Apr 17, 2024. The application was filed on May 20, 2003 under application number EP03731295A. 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 |
|---|---|---|---|
| TEXTOR MASCHINENBAU | Jun 14, 2019 | GRUNECKER PATENT | INTERVENTION |
| WEBER MASCHINENBAU BREIDENBACH | Nov 24, 2017 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0713753 |
| DESCRIPTION | US4136504 |
| DESCRIPTION | US4226540 |
| DESCRIPTION | US4413279 |
| DESCRIPTION | US5267168 |
| DESCRIPTION | US5649463 |
| DESCRIPTION | US5704265 |
| DESCRIPTION | WO9908844 |
| INTERNATIONAL-SEARCH-REPORT | US5704265 |
| INTERNATIONAL-SEARCH-REPORT | WO0061338 |
| INTERNATIONAL-SEARCH-REPORT | WO9521375 |
| OPPOSITION | DE10131701 |
| OPPOSITION | DE19604254 |
| OPPOSITION | DE19820058 |
| OPPOSITION | DE19914707 |
| OPPOSITION | DE19915861 |
| OPPOSITION | DE60014406T |
| OPPOSITION | EP0375157 |
| OPPOSITION | EP0449512 |
| OPPOSITION | EP0449514 |
| OPPOSITION | EP0726098 |
| OPPOSITION | EP1401619 |
| OPPOSITION | GB1113615 |
| OPPOSITION | GB1507683 |
| OPPOSITION | GB2144533 |
| OPPOSITION | GB2187281 |
| OPPOSITION | GB2239787 |
| OPPOSITION | GB2285126 |
| OPPOSITION | US2954811 |
| OPPOSITION | US3499527 |
| OPPOSITION | US3612274 |
| OPPOSITION | US3803332 |
| OPPOSITION | US3846958 |
| OPPOSITION | US3930991 |
| OPPOSITION | US4136504 |
| OPPOSITION | US4519041 |
| OPPOSITION | US4875254 |
| OPPOSITION | US5054345 |
| OPPOSITION | US5267168 |
| OPPOSITION | US5324228 |
| OPPOSITION | US5482166 |
| OPPOSITION | US5529169 |
| OPPOSITION | US5638657 |
| OPPOSITION | US5649463 |
| OPPOSITION | US5704265 |
| OPPOSITION | US5793879 |
| OPPOSITION | US5937080 |
| OPPOSITION | US6997089 |
| OPPOSITION | WO0061338 |
| OPPOSITION | WO0062983 |
| OPPOSITION | WO02060656 |
| OPPOSITION | WO03093813 |
| OPPOSITION | WO9521375 |
| OPPOSITION | WO9835797 |
| OPPOSITION | WO9942823 |
| SEARCH | EP0449512 |
| SEARCH | US5054345 |
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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Document concerning representation
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Dec 30, 2016
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Mar 12, 2015
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Nov 28, 2014
Letter accompanying subsequently filed items
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Nov 28, 2014
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Annex to the communication
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Nov 14, 2014
Communication from the Examining Division
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Claims
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Oct 26, 2009
Description
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Apr 23, 2009
Communication from the Examining Division
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Mar 9, 2009
Submission concerning representation
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Jun 18, 2008
Communication from the Examining Division
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Jun 11, 2008
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Amendments received before examination
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May 7, 2008
Maintenance of the application
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Mar 11, 2008
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Supplementary European search report
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Nov 29, 2007
Submission concerning representation
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Jul 11, 2007
General enquiry
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Apr 20, 2005
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Matter concerning the application
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Dec 22, 2004
Request for entry into the European phase
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Dec 16, 2004
Information on entry into European phase
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Nov 23, 2004
Letter which had not been notified
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Nov 5, 2004
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Information on entry into European phase
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May 25, 2004
Mar 11, 2004
Notification of the recording of a change
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Dec 31, 2003
Copy of the international search report
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Dec 31, 2003
Published international application - A1
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