To understand the trends in recent ranking practice, this article an-alyzes a subset of ranked parallel petitions that received an institution decision before or on February 20, 2020. Using a search filter in Docket Navigator to locate multiple petitions challenging the same pa-tent, the authors identified 39 occurrences of ranked parallel petitions that challenge the same claims of the same patents, as well as 2 occur-rences of ranked parallel petitions that challenge different claims of the same patent.
Monica Grewal, Heather Petruzzi & Wenli Gu PhD,
Ranking Parallel Petitions Before the PTAB: A Survey,
Chi. -Kent J. Intell. Prop.
Available at: https://scholarship.kentlaw.iit.edu/ckjip/vol19/iss4/4