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Ryan Invents a New Kind of Pen for Taking Notes

Question 59

Multiple Choice

Ryan invents a new kind of pen for taking notes in history classes.Which of the following is NOT a necessary step in obtaining a patent for Ryan's invention?


A) Proving that the invention is novel
B) Proving that the invention is marketable
C) Proving that the invention is useful
D) Proving that the invention is not obvious in light of current technology

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