What is the “No Second Interference” rule in patent law?

The “No Second Interference” rule in patent law refers to the principle that there should not be a second interference proceeding between the same parties on patentably indistinct subject matter. This rule is outlined in MPEP 2308.03(c), which states:

“No second interference should occur between the same parties on patentably indistinct subject matter.”

This rule is designed to prevent redundant proceedings and ensure efficiency in the patent examination process.

To learn more:

Topics: MPEP 2300 - Interference And Derivation Proceedings, MPEP 2308.03(C) - No Second Interference, Patent Law, Patent Procedure
Tags: No Second Interference, patent examination, Patent Interference, USPTO procedures