Pollen Transformation
Pollen Transformation – patent granted to USDA
The invention is a method for the genetic transformation of any plant by using pollen as starting material for transformation with Agrobacterium. A culture medium useful for pollen germination and pollen tube growth in presence of Agrobacterium is also claimed.
Patents granted to the United States Department of Agriculture (USDA)
Specific Patent Information
Patent Number | Title, Independent Claims and Summary of Claims | Assignee | ||
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AU733080 B2
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Title – Pollen-based transformation system using solid media
The Australian patent 733 080 claims the same method for transforming pollen of a plant with Agrobacterium as the United States patent. However, the Australian patent claims in addition a specific medium for pollen germination and pollen tube growth. |
United States Department of Agriculture (USDA) |
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EP 996328 B1
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Title – Pollen-based transformation system using solid media
The European patent 996328 claims the same method for transforming pollen of a plant with Agrobacterium as the United States patent. Designated contracting States at the time of grant are: Austria, Belgium, Switzerland, Cyprus, Germany, Denmark, Spain, Finland, France, United Kingdom, Greece, Ireland, Italy, Liechtenstein, Luxembourg, Monaco, Netherlands, Portugal, Sweden |
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US 5929300
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Title – Pollen-based transformation system using solid media
Delta and Pine Land Co., acquired exclusive licensing rights to the pollen-transformation system developed by the USDA in the United States. (Source: Ag Biotech InfoNet, January 26, 2001). The United States patent 5 929 300 claims:
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WO 1999/03326
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Title – Pollen-based transformation system using solid media
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Remarks |
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Note: Patent information on this page was last updated on 21 February 2006.
Patent application filed by the United States Department of Agriculture (USDA)
The invention disclosed in the European application is the same as in the United States patent and the recently granted Australian patent AU-B-733 080 (former Australian application AU 84005/98 A1).
Bibliographic data
EP 996 328 A1 | |
Title | Pollen-based transformation system using solid media |
Application No. & Filing Date |
EP 934497 July 14, 1998 |
Publication Date | May 3, 2000 |
Language | English |
Remarks | Applications also filed in Brazil (BR 9811791), China (CN 1263434), and South Africa (ZA 9806240). |
To view or download the patent document as a PDF file, click on EP 996 328. |
Summary of the invention
The independent claims as filed in the EP application 996 328 A1 are similar to the granted claims of its related United States and Australian patents. As in the Australian patent, the EP application also contains a filed claim referring to a medium for pollen germination and pollen tube growth.
EP Patent application filed by the United States Department of Agriculture (USDA)
Claims in plain English
DisclaimerTHE FOLLOWING CLAIMS ARE MEANT ONLY TO ASSIST READING OF THE CLAIMS AND ARE NOT MEANT AS A LEGAL INTERPRETATION OF THE CLAIM SCOPE. |
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EP 996 328 A1 |
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Claim 1A method for producing a transgenic plant by:
A) applying Agrobacteria having a foreign gene to a pollen culture on a solid medium; |
Claim 8A medium for pollen germination and pollen tube growth having agarose, sucrose, KNO3, MnSO4, H3BO3, MgSO4, and gibberellic acid. |
Actual pending claims
EP 996 328 A1 |
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Claim 1*A method for producing a transgenic plant comprising:
A) obtaining pollen from a first plant; |
Claim 8**
A medium for pollen germination and pollen tube growth comprising agarose, sucrose, KNO3, MnSO4 , H3BO3, MgSO4, and gibberellic acid. |
Note: The Australian application AU 84005/98 A1 was granted. See Patents granted to the USDA for more information on this new patent.
* Identical to claim 1 of the granted United States and Australian patents.
**Identical to claim 8 of the granted Australian patent.