The PTAB recently denied a motion to correct clerical mistakes under 37 C.F.R. § 42.104(c) because the corrections presented substantive new evidence that would have had a substantial impact on the proceedings and prejudiced...more
Specification’s Narrow Description of the Invention Results in Disavowal of Claim Scope - In Techtronic Industries Co. Ltd. v. ITC., Appeal No. 18-2191, the consistent description in the specification of a particular...more
THE CHAMBERLAIN GROUP, INC. v. ONE WORLD TECHNOLOGIES, INC. Before Dyk, Reyna, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: New arguments may be raised during PTAB oral hearings so long as they...more
While PTAB proceedings are ordinarily decided “on the papers,” in certain rare cases the Board will permit live witness testimony at the oral hearing. The Board’s precedential decision in K-40 v. Escort explains that...more
Practitioners have long sought more predictability and uniformity at the Patent Trial and Appeal Board (PTAB), and it now appears the United States Patent and Trademark Office (USPTO) is taking that issue head on. On...more
In a recent decision that the PTAB designated as precedential, the Board denied a patent owner’s request to provide live testimony from the inventor of the challenged patent at the oral hearing. In DePuy Synthes Products,...more
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...more
The Patent Trial and Appeal Board (PTAB) issued an August 2018 update to the American Invents Act Trial Practice Guide (the “Updated TPG”). The Updated TPG incorporates the PTAB’s current practices and provides further...more
Federal Circuit Summaries - Before Moore, Reyna, and Taranto. Appeal from the Patent Trial and Appeal Board. Summary: A party in an inter partes review proceeding may not present new evidence or arguments at oral...more