The dispute came to light in September 2009 when PalTalk began patent infringement proceedings against Jagex, Activision Blizzard, Sony, Turbine and NCSoft, following achieving a favourable settlement with Microsoft for an undisclosed sum earlier in 2009. In its complaint, PalTalk accused Jagex's game RuneScape.com, the world’s most popular free-to-play MMO, of infringing U.S. Pat. Nos. 5,822,523 and 6,226,686 entitled "Server-Group Messaging System for Interactive Applications." PalTalk further alleged that it had "suffered damages in excess of tens of millions of dollars" as a result of Jagex’s infringement of their patents.