Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [interference]

The tag has no usage guidance.


Why is an Ex Parte 102(g) Rejection necessary? If an invention has been reduced to practice wouldn't the patent be preclude by 102(a)?

A 102(g) Rejection requires that the invention be reduced to practice. However, 102(a) says that if an invention is "known or used in this country" it can't be patented. So wouldn't a reduce to ...