Article
Effective Filing Date Of Provisional And Non-Provisional Application Prior Art
The Federal Circuit vacated a PTAB decision on patent obviousness, establishing that a provisional application must provide written description support for at least one published claim to qualify as prior art under its earlier filing date. This ruling clarifies the requirements for claiming priority from provisional applications and impacts how patent practitioners should approach provisional filing strategies.
Oblon, McClelland, Maier & Neustadt, L.L.P