USPTO Director Kathi Vidal has issued updated guidance on the use of applicant admitted prior art (AAPA) in inter partes review (IPR) petitions. This addresses the evolving use of AAPA by patent challengers in recent years. The guidance alters a decision by the Patent Trial and Appeal Board.
https://www.jdsupra.com/legalnews/uspto-provides-updated-guidance-on-the-5207600/
https://www.jdsupra.com/legalnews/uspto-provides-updated-guidance-on-the-5207600/