Standard Essential Patents - TQ Delta, LLC v ZYXEL Communications Ltd
Basher Eyre / Junction of Fetter Lane and Rolls Buildings / CC BY-SA 2.0 Jane Lambert Patents Court ( Mr Justice Henry Carr) TQ Delta, LLC v ZYXEL Communications Ltd and another [2019] EWHC 562 (Pat) (11 March 2019) This was a patent infringement action. The patents in suit were European patent number EP1453268 for multicarrier communication with variable overhead rate and European patent number EP1792430 for CRC counter normalisation . The claimant alleged that these are standard-essential patents "SEPs") - that is to say, it is impossible to comply with ITU recommended telecommunications standards for the transmission of data without using those patents. The Parties The claimant describes itself as " a technology development and licensing company aimed at providing needed solutions for the communications industry and beyond." The homepage of its website adds that its technical investments span nea...