[NAFEX] Plant Patent Information
ROBERT W JUDY A HARTMAN
hartmansfruit at msn.com
Sun Jun 7 01:05:53 EDT 2009
First go to Google and look up a variety name such as "Geneva 16" rootstock patent. Then you should see the plant patent number. Then go to http://patft.uspto.gov/netahtml/PTO/srchnum.htm<http://patft.uspto.gov/netahtml/PTO/srchnum.htm> and type in the patent number with pp in front of it, such as pp12443 and click on Search. It will come up with the patent information for that particular patent number. If the application date is after June 1995 then add 20 years to that and that is when the patent will expire. In this case the application was filed on August 12, 1999 so it should expire in 2019 (August 12).
Go to http://law.jrank.org/pages/9086/Patents-Patent-Duration.html<http://law.jrank.org/pages/9086/Patents-Patent-Duration.html> for more information regarding patent durations, etc. You will see that you will have to do some study to determine the patent expiration dates. It can be rather complicated.
I hope this helps.
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