In the 49 Final Written Decisions issued by the Patent Trial and Appeal Board in October, the Board cancelled 660 (70.36%) of the instituted claims and declined to cancel 278 (29.64%) of the instituted claims. Patent owners did not concede any instituted claims through motions to amend or disclaimer.

see chart here

On a per-case basis, no instituted or substitute claims survived in 31 (63.27%) of the decisions, all instituted claims survived in 13 (26.53%) of the decisions, and a mixed outcome occurred in 5 (10.20%) of the decisions. A mixed outcome occurs where at least one instituted or substitute claim remains patentable, and at least one is cancelled, in a Final Written Decision.

see chart here

The overall cumulative instituted claim survival rate, broken down by technology center, is as follows:

see chart here

More detailed cumulative statistics on the Board’s IPR and CBM decisions, updated through November 1, 2016, are available here on the AIA Blog.

Statistics regarding the outcome of appeals to the Federal Circuit are available here.

Lists of the top 10 PTAB judges by panel appearances and authored opinions are available here.

Numbers of final written decisions by technology center and instituted claim survival rates by technology center are available here.