How can an inference of suppression or concealment be rebutted?

An inference of suppression or concealment can be rebutted by showing renewed activity on the invention just prior to the junior party’s entry into the field, coupled with diligent filing of a patent application. The MPEP provides several examples of activities that may rebut this inference: Showing activity directed to perfecting the invention Preparing the…

Read More

What does “by another who has not abandoned, suppressed, or concealed it” mean in patent law?

This phrase refers to a provision in pre-AIA 35 U.S.C. 102(g) that makes available as prior art the prior invention of another person who has not abandoned, suppressed, or concealed their invention. The MPEP states: “Pre-AIA 35 U.S.C. 102(g) generally makes available as prior art within the meaning of 35 U.S.C. 103, the prior invention…

Read More