Patexia.com reports continuing reduction in the filing of suits for patent litigation and continuing increase in the filing of Inter Partes Review (IPR).
Detailed information and graphs on these trends are provided in the Patexia.com article including year-over-year from 2015 on to 2017Q1. The 2017Q1 data shows:
“In the first quarter of 2017 we saw a continued decline in patent litigation. The district court litigation was down 26 percent to 1,012, compared to 1,346 in Q4 of 2016. And it was down 5 percent year over year (1,067 in Q1 of 2016). For the same period, Inter-Partes Review (IPR) was up 22 percent to 550, compared to 448 in Q4 of 2016. This increase was even sharper year over year. IPR saw a whopping increase of 64 percent in Q1 2017 versus Q1 2016, which saw 335.”
One key statistic related to the IPR process: “IPR activity per quarter was at an all-time high in Q1 2017. Since its inception in September 2012, IPR has been gaining popularity as a tool to challenge the validity of patents in lawsuits or licensing deals. …”
Related to patent litigation cases: “Patent litigation in district courts was at its lowest level since 2011. Although the litigation has dropped to pre-AIA levels, it is worth mentioning that post-AIA numbers are generally magnified because of joinder rules. …”