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Naming New Inventors when Converting a Provisional Patent to a Full Patent

If I file a provisional patent application in the US and then convert it to a full patent in 1 year, can I name additional inventors on that full patent application? *I am not sure if this is the ...
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Making similar item but not made of the same materials

I made a flask out of one of my sculptures. This flask is made from a shrunken head that what sculptured by me.. Now this guy says he has a patent pending and he is going to sue me .. If I have never ...
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Does the US Only patent on the four bar linkage (Horst link) suspension affect popular mountain bikes in the US?

The patent for the four bar linkage (perhaps better known as the Horst Link) as a bicycle suspension platform is only applicable in the US and not Canada, Europe, or other countries. How does this ...