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The patent EP1989400 was granted to Highview Enterprises on Jun 28, 2023. The application was filed on Feb 27, 2007 under application number EP07712790A. 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 |
|---|---|---|---|
| LAIR LIQUIDE | Jan 3, 2018 | AIR LIQUIDE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | FR2489411 |
| INTERNATIONAL-SEARCH-REPORT | JP2003254086 |
| INTERNATIONAL-SEARCH-REPORT | SU1710824 |
| INTERNATIONAL-SEARCH-REPORT | US2005126176 |
| INTERNATIONAL-SEARCH-REPORT | US3830326 |
| INTERNATIONAL-SEARCH-REPORT | US4455834 |
| INTERNATIONAL-SEARCH-REPORT | US5272879 |
| OPPOSITION | DE2434238 |
| OPPOSITION | JP2000130185 |
| OPPOSITION | JP2001193483 |
| OPPOSITION | JP2002242694 |
| OPPOSITION | JP2002339760 |
| OPPOSITION | JP2003254086 |
| OPPOSITION | JP2004150685 |
| OPPOSITION | JPH04132837 |
| OPPOSITION | JPH09250360 |
| OPPOSITION | JPH10238367 |
| OPPOSITION | JPH11303646 |
| OPPOSITION | SU1710824 |
| OPPOSITION | US2001004830 |
| OPPOSITION | US2002166323 |
| OPPOSITION | US2008216510 |
| OPPOSITION | US4329842 |
| OPPOSITION | US4455834 |
| OPPOSITION | US4765143 |
| OPPOSITION | US6282901 |
| OPPOSITION | WO9105145 |
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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Description
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Jun 2, 2023
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Letter accompanying subsequently filed items
Search/Exam
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Letter accompanying subsequently filed items
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Jan 11, 2016
Description
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Letter accompanying subsequently filed items
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Jan 11, 2016
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Sep 1, 2015
Communication from the Examining Division
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May 14, 2015
(Electronic) Receipt
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May 14, 2015
Amended claims with annotations
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May 14, 2015
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May 14, 2015
Claims
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May 14, 2015
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May 14, 2015
Letter accompanying subsequently filed items
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May 14, 2015
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Annex to the communication
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Jan 20, 2015
Communication from the Examining Division
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May 7, 2014
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jun 26, 2013
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Jun 30, 2010
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Mar 25, 2009
Refund of fees
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Dec 30, 2008
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Nov 24, 2008
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Nov 17, 2008
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Oct 15, 2008
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Search/Exam
Sep 17, 2008
Request for entry into the European phase
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Sep 17, 2008
Submission concerning representation
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Jul 4, 2008
Information on entry into European phase
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Sep 17, 2007
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Aug 30, 2007
Copy of the international search report
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Aug 30, 2007
Published international application - A1
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Jun 8, 2007
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Abstract
PCTISA
Mar 8, 2007
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PCTISA
Mar 8, 2007
Description
PCTISA
Mar 8, 2007
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