Transitional program for covered business method patents

Definition
Transitional program for covered business method patents is a

"proceeding [that] allows anyone who is sued or charged with infringing a covered business method patent to request a review of the patent to challenge a claim's patentability in generally the same circumstances as post-grant review. This review proceeding became available on September 16, 2012, and requests must be filed within 9 months of the patent's issuance."