Question

30. The usefulness required for an invention in order to be patented is either present or future usefulness. a. True b. False

31. Any public use anywhere in the world prior to the application date for a patent will preclude the granting of a patent (unless the disclosure was made by the inventor or one who derived the subject matter from the inventor). a. True b. False

32. Substitution of one material for another in an invention or mere changes in size are ordinarily not patentable because they are obvious. a. True b. False

33. Naturally occurring substances cannot be patented. a. True b. False

Answer 1

30) a

The patent is required for present or future and not in past

31) a

It will preclude granting of patent in case of prior to the application date

32) b

Any change in process must be patented and not considered as obvious

33) b

Naturally occurring substances when in isolated form are patentable