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IANAL but I don't think that is how patents work. If person A patents his invention, and person B completely independently invents exactly the same invention wi

by esrauch 15y ago

IANAL but I don't think that is how patents work. If person A patents his invention, and person B completely independently invents exactly the same invention without having any knowledge about person A's work, person B still cannot just ignore the patent.

ig1 15y ago
No, but B can use the fact that they independently invented it to show that the idea failed to meet the innovation criteria of patents and that what the patents covers is in fact an obvious derivative from existing ideas and get the patent invalidated on that basis.
pedalpete 15y ago
The PrimeSense patents I found were filed in January of 2008, Hei-D patents weren't filed until March of 2009. It looks like PrimeSense had the technology first.