The rules of the new patentability trials of the America Invents Act (AIA) are designed to ensure timely resolution of patentability disputes within the statutorily mandated 12 month time frame. In particular, the Patent Trial & Appeal Board (PTAB) fashioned their new rules to prevent the notorious delays and complications of the previous inter partes patent reexamination system. One way in which the new AIA post grant proceedings are vastly different from the previous inter partes patent reexamination model is the manner in which claim amendments may be proposed.
In the previous inter partes reexamination system, any number of amended claims could be added or submitted prior to the close of prosecution before the examiner. There was no numerical limit on the number of claims that could be submitted. In fact, it was not uncommon practice for patentees to submit hundreds of new claims. By doing so, patentees made it more difficult for the third party to respond to all issues within their 30 day period, and within page limits. Likewise, the addition of such extensive amendments made examiner/APJ processing all the more tedious and time consuming.
In the new AIA proceedings, Inter Partes Review (IPR) and Post Grant Review, the PTAB provides for a reasonable number of substitute claims. 37 C.F.R. § 42.121/221. The “reasonable” aspect has been explained as a one-to-one correspondence in the typical case. Further restricting the ability to amend is the requirement that amendments be presented within the bounds of a 15 page motion to amend. The combination of these controls strictly limits the ability of patentees to amend in any significant regard, which greatly aids the agency in completing the proceedings in a timely manner.
Yet, patentees argue that these strictly enforced procedural controls are inconsistent with the patentee estoppel that attaches to a failed PTAB proceeding.