The Patent Trial and Appeal Board (PTAB) denied institution of an inter partes review (IPR) brought by Par-Kan Company, LLC against Unverferth Manufacturing Company regarding U.S. Patent No. 8,967,940 (“the ‘940 patent”). ...more
7/28/2025
/ Evidence ,
Inter Partes Review (IPR) Proceeding ,
Inventions ,
Inventors ,
Obviousness ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
Testimony ,
USPTO
The Patent Trial and Appeal Board (“PTAB”) recently denied a Motion for Additional Discovery because the movant could not prove beyond mere speculation that the requested documents would be useful to show witness scripting....more
1/24/2022
/ Additional Discovery ,
Discovery ,
Evidence ,
Federal Rules of Evidence ,
Garmin Factors ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Scope of Discovery Requests
Introducing evidence in a motion to file a reply to a patent owner’s preliminary response without the PTAB’s authorization may result in denial and expungement. A recent motion met such a fate in Ice Castles, LLC v....more