New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
Prior art patents and publications have long been the primary source for anticipation and obviousness assertions by defendants in IP litigation. System art—an actual system or device—is a less common source of prior art due...more
In re: Forest, No. 2023-1178 (Fed. Cir. (PTAB) Apr. 3, 2025). Opinion by Chen, joined by Taranto and Schall. In 2016, an inventor filed a patent application that claimed priority to an application filed in 1995. The Patent...more
The US Court of Appeals for the Federal Circuit dismissed an appeal from a patent applicant seeking provisional rights on a patent that would issue only after it had already expired, finding that the applicant lacked the...more
On March 24, the Federal Circuit held in In re Riggs that for a published non-provisional patent application to be prior art under pre-AIA 35 U.S.C. § 102(e)(1) based on an earlier provisional filing date, all citations to...more
The US Court of Appeals for the Federal Circuit established a more demanding test for determining whether a published patent application claiming priority to a provisional application is considered prior art under pre-America...more
The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more
As 2024 draws to a close, several crucial developments — some aimed at modernizing long-standing legal practices, others addressing emerging challenges — have reached patent law. Originally published in Law360 - December...more
What comes to mind when you think of “hot topics” in patent law? Subject matter eligibility? Obviousness? Damages? Quietly, administrative law has moved to the top of the list of issues that consume the attention of the Court...more