The America Invents Act (“AIA”) provides for post grant challenges of U.S. patents in the Patent Trial and Appeal Board (“PTAB”) of the U.S. Patent and Trademark Office. One type of AIA proceeding, Inter Partes Review (“IPR”), came into effect in September 2012, and provides a process for relatively quick determination of invalidity of challenged patent claims based on published prior art. [1] IPR decisions rendered in the past five years have created a body of law addressing a variety of issues related to invalidity challenges before the PTAB. In a recent IPR proceeding, a novel strategy has arisen that posts an interesting question of first impression, whether the assignment of a patent involved in an IPR proceeding to a U.S. Indian tribe can avoid an IPR proceeding based on a sovereign immunity defense. The present blog post summarizes the new issue that the PTAB will be required to decide in the IPR.
Continue Reading Indian Tribal Sovereign Immunity Asserted in an IPR

shutterstock_279495203One goal of BioLoquitur is to provide commentary and analysis on important developments in U.S. law affecting the pharmaceutical and biologics industry. It can be easy to forget that legal developments are not limited to the latest court decisions or agency actions, however.  The most profound changes in U.S. law arise from legislation.   This post