http://biz.yahoo.com/bw/041216/165244_1.html
The acquisition would give the Acacia Technologies Group control of companies with 27 patent portfolios, which include 121 U.S. patents and certain foreign counterparts, and cover technologies used in a wide variety of industries. Eleven of the patent portfolios have been partially licensed and have generated over $40 million in non-recurring, gross licensing revenues to date.
The new patents relate to certain aspects of various technologies or products, including:
Broadcast Equipment
Broadcasting and Data Transmission
Cache Coherency
Credit Card Receipt Processing
Data File Synchronization
Datamatrix Bar Codes
Dynamic Manufacturing Models
Encryption and Product Activation
Hand Held Endoscopes
Image Resolution or Enhancement
Interactive Simulation Systems
Interstitial Internet Advertising
Peer to Peer Network Communications
Programs for Resource Scheduling/Displaying Interrelated
Tables
Spreadsheet Programs
Video Noise Reduction and Audio/Video Synchronization