Kramer vs O’Rourke, Yahoo! vs Facebook. Open Source? Patents? Technology? Nope, just money.

Here’s the letter sent by Yahoo! to Facebook and the list of the US Patents Yahoo!’s claiming that Facebook is violating.

• Pat.no. 6209003: Garbage collection in an object cache
• Pat.no. 6279001: Web service
• Pat.no. 6314463: Method and system for measuring queue length and delay
• Pat.no. 6317786: Web service
• Pat.no. 6912534: Web service
• Pat.no. 6976093: Web server content replication
• Pat.no. 6993590: Method of creating data streams for user-specific usage data gathering systems
• Pat.no. 7035943: Web server content replication
• Pat.no. 7143193: Content collection
• Pat.no. 7243136: Approach for managing and providing content to users
• Pat.no. 7356589: Content collection
• Pat.no. 7581006: Web service
• Pat.no. 7957142: Cold row encapsulation for server farm cooling system
• Pat.no. 7430118: Cold row encapsulation for server farm cooling system
• Pat.no. 7672128: Cold row encapsulation for server farm cooling system
• Pat.no. 8108347: Web server content replication

The Facebook SEC filing is available here.