Questions tagged [pct]

Questions related to The Patent Cooperation Treaty based applications.

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What is a PCT number?

What does a published PCT number mean exactly? (Of the form PCT/IB2011/nnnnnn). Does it grant any legal/intellectual rights in any way? Does it have any effect in this regard that a WO2013nnnnnnA1 ...
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If I file a provisional patent application, could someone else file a PCT application for the same invention during the first 12 months?

I'm working in a startup with a limited amount of investment. We'd like to file for a US provisional patent. My understanding is that after 12 months, I can upgrade to a PCT application. For this ...
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Rule 131 Antedating for a National Stage application

For the given circumstances: Reference filed on Jan. 1, 2010. PCT Application filed on Feb. 1, 2010. US National Stage claiming priority to the PCT Application filed on Mar. 1, 2010. Reference was ...
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