Yes. They have filed against Vivitar

This is the latest public statement by the President of EDIG.

(12-20-07)

“Our intellectual property team is finalizing detailed legal and technical documentation to support additional Flash-R™ patent portfolio enforcement actions against a broad range of companies,” added Blakeley. “To date, we have identified annual U.S. revenues of more than $20 billion from what we believe are infringing products from such companies. Our robust intellectual property portfolio addresses vital aspects of the use of removable flash memory in portable devices, and we believe the number of infringing companies and associated revenues continues to grow annually.”