“Challenges to U.S. Patents: What You Need to Know About Inter Partes Review Practice in the United States Patent Trial and Appeal Board,” Journal of Towa Institute of Intellectual Property, Vol. 9, No. 2, 2017.

In the last four years, patent litigation in the U.S. has undergone a sea change resulting from new proceedings established in the U.S. Patent Trial and Appeal Board, namely inter partes review proceedings. Those proceedings were established by the America Invents Act that was enacted by Congress and signed into law by President Obama in September 2011. This article describes what led to these proceedings, how they work, what their effect has been, and what the future holds for them.