The Intellogist Blog checks out the free assignments search portal on the USPTO website. Learn how to get the most up to date information on who owns that patent!

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Comment by Mikk Putk on October 11, 2010 at 2:47am
Thanks, Register Plus is very useful tool for WO and EP document check.
Comment by Chris Jagalla on October 8, 2010 at 11:49am
Mikk, I came across this, which may be interesting:

From the help file:

“A patent may have been sold to another company. The Register shows the name of the current patent-holder. You can view former applicants by clicking on the "Show history" button on the "About this file" screen.”
Comment by Mikk Putk on September 23, 2010 at 3:55am
Do you have any information about similar search tools in some other countries?


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