One of the biggest misconceptions about the new patentability challenges of the America Invents Act (AIA) is the notion that these administrative trial proceedings are somehow analogous to district court litigation — nothing could be further from the truth. Rather, the new AIA proceedings simply skip over the previous patent reexamination examiner phase and go straight to the Patent Trial & Appeal Board (PTAB) phase, with a very limited opportunity for expert depositions along the way.
While it is certainly true that Inter Partes Review (IPR), Post Grant Review (PGR) and the Covered Business Method (CBM) proceedings are “trials,” these PTAB trials are governed by their own unique procedures, and are almost exclusively conducted on paper. As is made clear from the 12 months of proceedings to date, discovery practice is quite limited for these trials since they are based on documentary evidence only (i.e., patents and printed publications).
Looking at the top 5 IPR petition drafting mistakes, it is not surprising that most stem from the failure to recognize the key differences between PTAB and district court proceedings.