Sued for Patent Infringement: What to Do First
A defendant served with a patent infringement complaint typically has 21 days to respond under Fed. R. Civ. P. 12(a)(1)(A)(i), and the choice of
Darius Keyhani
May 25, 2026
Darius Keyhani
What Is a Markman Hearing? Claim Construction Explained
A Markman hearing is a federal pretrial proceeding at which the district judge construes the disputed terms of a patent’s claims as a matter
Darius Keyhani
May 17, 2026
What Is the PTAB? A 2026 Guide for In-House Counsel
The Patent Trial and Appeal Board (PTAB) is the administrative tribunal within the U.S. Patent and Trademark Office that adjudicates contested post-grant patent validity
Darius Keyhani
May 6, 2026
Federal Circuit Rejects Challenge to PTAB Timing, Affirms Ford’s IPR Victories
On December 23, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed three decisions of the Patent Trial and Appeal Board (“PTAB”)
Darius Keyhani
March 4, 2026