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3
votes
1answer
96 views
How many priority numbers can a patent have?
When I search patents at espacenet.com I see that some patent documents have multiple priority numbers. For example WO2010054132 has 4 priority numbers. (see bibliographic data). What does this mean? ...
8
votes
3answers
428 views
Should I file a provisional application?
In the past I've been discouraged from filing provisional applications (in the US), but the new "first to file" provisions of the "America Invents Act" would seem to make a provisional application a ...
