1998, Jerome Rosenstock, Patent Interference Practice Handbook[1], →ISBN, page 17-17:
The CREATE Act will now permit patents with patentably indistinct claims to be separately owned, but remain valid.
2005, Kay H. Chin, United States Design Patent Do it Yourself![2], →ISBN, page 58:
If you included more than one embodiment and if the overall appearance or scope of the each embodiment is patentably distinct, a restriction will be required even though all embodiments are functionally the same.
