Jones Day's PTAB Litigation Blog, Home page
PTAB Bar Association Hosts Inaugural Thought Leader Summit

PTAB Bar Association Hosts Inaugural Thought Leader Summit

By Levent Herguner, Alex Li, and Joe Sauer On Tuesday, November 13th, the PTAB Bar Association held its inaugural Thought Leader Summit.  The Summit featured two sessions on recent developments in the patent litigation field, as well as a keynote address from Acting...

read more
Assignor Estoppel Does Not Apply to IPRs

Assignor Estoppel Does Not Apply to IPRs

By Jocelyn Yu Ph.D. and Carl Kukkonen Assignor estoppel is a long-established, common-law doctrine of equity, which prevents a party who assigns a patent to another from later challenging the validity of the assigned patent.  The doctrine also applies to parties in...

read more
ITC Blog: ITC Provides a Way to Work Around IPR Estoppel

ITC Blog: ITC Provides a Way to Work Around IPR Estoppel

By: David Maiorana  In In re Certain Magnetic Tape Cartridges and Components Thereof, 337-TA-1058 (ITC October 2, 2018, Order), Administrative Law Judge Cheney ruled that even if a respondent is estopped from raising certain invalidity challenges because it failed to...

read more

About this blog

Archives