Sabotage Claims Swirl in Patent Feud With Billions at Stake (1)

A high-stakes set of challenges to VLSI Technology LLC patents worth over $2 billion has created a messy situation for an administrative patent tribunal, with VLSI accusing an opponent of trying to tank a case and the opponent claiming a confidentiality breach.

The Patent Trial and Appeal Board, a tribunal within the U.S. Patent and Trademark Office, now has to figure out how to navigate the competing allegations and how to proceed with the challenges.

The fight started with a challenge OpenSky Industries LLC brought against a VLSI patent shortly after a $2.18 billion jury verdict against Intel Corp. The ...