Inter Partes Review (“IPR”) is a trial proceeding established by the America Invents Act that started in September 2012. Conducted before the Patent Trial and Appeals Board (“Board”), IPR allows an interested party to challenge claims in a patent for obviousness or lack of novelty, based on prior art patents or printed publications. Generally, IPR involves two steps: (a) filing a petition, which may (or may not) be followed by the patent owner’s response, and the Board rendering an “institution decision” within six months of petition; then (b) if the Board decides to institute IPR, it should in most cases enter its final determination within one year of institution. To institute an IPR (step “a” above), the Board must find that a reasonable likelihood exists that the petitioner would prevail with respect to at least one challenged claim.
Using IPR, petitioners have challenged thousands of claims contained in hundreds of issued patents. As discussed below, data existing on the USPTO website suggests a Continue reading IPR Statistics Suggest an Interesting Recent Trend