Generally, the PTAB does not allow live testimony at oral
argument, but recently it designated one of its 2014 decisions as
precedential to give guidance as to when the Board will allow live
testimony at oral argument. K-40 Electronics, LLC v. Escort,
Inc., Case IPR2013-00203 (PTAB May 21, 2014) (Paper 34) (made
precedential March 18, 2019).
In this case, the Patent Owner moved to present live testimony
from the sole inventor of the challenged patent in order to
antedate the only two references relied upon by Petitioner in its
challenge to patentability. The Petitioner objected, arguing that
granting the motion would create a "de facto" rule
permitting live testimony in all antedating disputes. (Id.
at 3.) The Board disagreed, asserting it saw "no possibility
that a 'per se' rule will result from granting the motion,
or that as a result, granting requests for live testimony will
become the norm rather than the exception." (Id.)
Years later, the Board's prediction has