Sanofi v. Pfizer (Fed. Cir. November 5, 2013) illustrates one situation in which the older, pre-America Invents Act (AIA), first-to-invent rules benefited a junior filer, and the patent was awarded to the junior filer. Under the current first inventor to file rule, the senior filer would have been awarded the patent. In this case, Sanofi first filed a patent application on … [Read more...]
An interference is a contest adjudicated by the Board between an application and either another application or a patent to determine which party is the first to invent and should be awarded the patent.
On March 16, 2013, the United States will transition from a first to invent system to a first to file system under the America Invents Act (“AIA”). In my opinion, it is more advantageous to have a patent application governed by the first to invent system than the first to file system even though the first to invent system for the most part behaves like a first to file … [Read more...]