Saya claims Ramona's patent is invalid because Ramona sold the product before filing her patent application.Is Saya correct?

Question

Quizplus · Accepted Answer

A)A patent can be invalid if the alleged infringer shows that the patent holder sold or offered for sale a product that performed the patent more than a year before the patent application was filed.Thus,companies need to be very diligent about filing patent applications within a year after selling or offering for sale products that perform patents.
B)A patent can be invalid if the alleged infringer shows that the patent holder sold or offered for sale a product that performed the patent more than a year before the patent application was filed.Thus,companies need to be very diligent about filing patent applications within a year after selling or offering for sale products that perform patents.
C)A patent can be invalid if the alleged infringer shows that the patent holder sold or offered for sale a product that performed the patent more than a year before the patent application was filed.Thus,companies need to be very diligent about filing patent applications within a year after selling or offering for sale products that perform patents.
D)A patent can be invalid if the alleged infringer shows that the patent holder sold or offered for sale a product that performed the patent more than a year before the patent application was filed.Thus,companies need to be very diligent about filing patent applications within a year after selling or offering for sale products that perform patents.
E)A patent can be invalid if the alleged infringer shows that the patent holder sold or offered for sale a product that performed the patent more than a year before the patent application was filed.Thus,companies need to be very diligent about filing patent applications within a year after selling or offering for sale products that perform patents.

Saya Claims Ramona's Patent Is Invalid Because Ramona Sold the Product