by Carl Kukkonen | Jan 15, 2019 | CBMs, Patent Eligible Subject Matter
By Doug Clark and Carl Kukkonen Video game companies occasionally will take to the PTAB, seeking to invalidate each other’s patents. Mobile game developer Supercell Oy (petitioner) filed a Post Grant Review (“PGR) after learning that the USPTO issued U.S. Pat. No....
by Carl Kukkonen | Nov 26, 2018 | Estoppel, Petitions
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...
by Carl Kukkonen | Oct 5, 2018 | Prior Art Issues
By Phil Shelton and Carl Kukkonen On September 13, 2018, the U.S. Court of Appeals for the Federal Circuit affirmed a decision by the USPTO Patent Trial and Appeal Board (PTAB) that the claims in U.S. Patent 8,714,977 (the ‘977 patent) are unpatentable as being...
by Carl Kukkonen | Aug 22, 2018 | Evidentiary Issues
By: Amanda Leckman and Carl Kukkonen A party to an inter partes review may submit supplemental information within one month of institution if the party can show that the supplemental information is “relevant to a claim for which the trial has been instituted.” 37...
by Carl Kukkonen | Jun 21, 2018 | PTAB News
By: Carl A. Kukkonen and Matt Johnson Last week, the United States Patent and Trademark Office (USPTO) hosted the annual meeting of the heads of the world’s five largest intellectual property offices, commonly referred to as the IP5 (see a related press release). In...
